This document discusses trust-based routing in mobile ad hoc networks (MANETs). It provides an overview of several trust management approaches that have been proposed for MANET routing:
1. A direct and indirect trust formation approach that calculates trust values based on a node's own observations and recommendations from peer nodes. This allows resources to be shared only among trusted nodes.
2. A hybrid trust management framework (HTMF) that more robustly evaluates trust based on direct observations and second-hand information. This makes it resistant to certain attacks.
3. An adaptive multi-level trust (AMLeT) framework that calculates two complementary trust levels - hard and soft trust - depending on security needs. It introduces
ATMC: Anonymity and Trust Management Scheme Applied to Clustered Wireless Sen...IDES Editor
Wireless Sensor Networks consists of sensor nodes
that are capable of sensing the information and maintaining
security. In this paper, an Anonymity and Trust Management
Scheme applied to Clustered Wireless Sensor Networks
(ATMC) is proposed which enhances the security level. It also
provides a stable path for communication. It is observed that
the performance of the network is better than existing schemes
through simulation
AN INDEPENDENT TRUST MODEL FOR MANET BASED ON FUZZY LOGIC RULESIAEME Publication
This document presents an independent trust model for mobile ad hoc networks (MANETs) based on fuzzy logic rules. The model incorporates multiple decision factors - direct trust, recommendation trust, incentive function, and active degree - to comprehensively evaluate nodes' trustworthiness. Weights are assigned to the decision factors using the analytic hierarchy process to improve the model's rationality and practicality. Experimental results show the model enhances network security by more accurately identifying malicious nodes, improving interaction quality, and increasing attack resistance compared to existing trust management approaches.
SECURING MOBILE AGENTS IN MANET AGAINST ATTACKS USING TRUSTIJNSA Journal
The document proposes a distributed trust-based framework to protect mobile agents and host platforms in mobile ad hoc networks (MANETs) from attacks. The framework uses a distributed reputation model where mobile agents deployed in the network collaborate with visited host nodes to form a consistent trust view. Agents share information about suspected malicious nodes. A node's trustworthiness is quantified based on direct observations from agent experiences and indirect observations from neighboring nodes, using concepts from Dempster-Shafer theory. Simulation results show the approach can robustly detect malicious nodes like blackholes and wormholes, even in large networks, helping to secure mobile agents in the dynamic MANET environment.
The document proposes an Efficient Distributed Trust Model (EDTM) for wireless sensor networks. EDTM calculates direct trust based on communication, energy, and data factors, and calculates recommendation trust based on reliability and familiarity. This provides a more precise evaluation of sensor node trustworthiness than models only using communication behavior. EDTM also considers trust for non-neighbor nodes, addresses uncertainty, and models trust as dynamic over time and environment conditions. Simulation results show EDTM outperforms other models like NBBTE in preventing security breaches.
RISK ASSESSMENT ALGORITHM IN WIRELESS SENSOR NETWORKS USING BETA DISTRIBUTIONIJCNCJournal
This paper introduces the Beta distribution as a novel technique to weight direct and indirect trust and
assessing the risk in wireless sensor networks. This paper also reviews the trust factors, which play a major
role in building trust in wireless sensor networks and explains the dynamic aspects of trust. This is an
extension of a previous work done by the authors using a new approach to assess risk. Simulation results
related to the previous work and to the new approach introduced in this paper are also presented for easy
comparison
IRJET- A Confidence Model based Routing Practice for Secure Adhoc NetworksIRJET Journal
This document proposes a Trusted AODV (TAODV) routing protocol to secure ad hoc networks. TAODV extends the AODV routing protocol and uses a trust model to represent trust relationships between nodes. In TAODV, a node's trust in another is represented by an opinion that considers belief, disbelief, and uncertainty. Opinions are updated over time based on successful or failed communications. TAODV introduces a trust recommendation mechanism to exchange trust information between nodes. The protocol performs trusted routing discovery and maintenance based on nodes' trust opinions of one another to improve security and efficiency compared to cryptographic approaches.
Misconduct disclosure of the intermediates using the trusted authorityeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
TRUST ORIENTED SECURITY FRAMEWORK FOR AD HOC NETWORKcscpconf
An ad hoc network is a group of wireless mobile hosts that are connected momentarily through
wireless connections in the dearth of any centralized control or some supporting services. The
mobile ad hoc network is at risk by its environment because of the vulnerabilities at channel and
node level. The conventional security mechanisms deals with only protecting resources from unauthorized access, but are not capable to safeguard the network from who offer resources. Adding trust to the on hand security infrastructures would improvise the security of these environments. A trust oriented security framework for adhoc network using ontological engineering approach is proposed by modeling ad hoc network, the OLSR (Optimized Link State Routing) protocol and trust model as OWL (Ontology Web language) ontologies, which are integrated using Jena. In this model, a trustor can calculate its trust about trustee and use the calculated trust values to make decisions depending on the context of the application or interaction about granting or rejecting it. A number of experiments with a potential implementation of suggested framework are performed to validate the characteristics of a trust oriented model suggested by the literature by this framework
ATMC: Anonymity and Trust Management Scheme Applied to Clustered Wireless Sen...IDES Editor
Wireless Sensor Networks consists of sensor nodes
that are capable of sensing the information and maintaining
security. In this paper, an Anonymity and Trust Management
Scheme applied to Clustered Wireless Sensor Networks
(ATMC) is proposed which enhances the security level. It also
provides a stable path for communication. It is observed that
the performance of the network is better than existing schemes
through simulation
AN INDEPENDENT TRUST MODEL FOR MANET BASED ON FUZZY LOGIC RULESIAEME Publication
This document presents an independent trust model for mobile ad hoc networks (MANETs) based on fuzzy logic rules. The model incorporates multiple decision factors - direct trust, recommendation trust, incentive function, and active degree - to comprehensively evaluate nodes' trustworthiness. Weights are assigned to the decision factors using the analytic hierarchy process to improve the model's rationality and practicality. Experimental results show the model enhances network security by more accurately identifying malicious nodes, improving interaction quality, and increasing attack resistance compared to existing trust management approaches.
SECURING MOBILE AGENTS IN MANET AGAINST ATTACKS USING TRUSTIJNSA Journal
The document proposes a distributed trust-based framework to protect mobile agents and host platforms in mobile ad hoc networks (MANETs) from attacks. The framework uses a distributed reputation model where mobile agents deployed in the network collaborate with visited host nodes to form a consistent trust view. Agents share information about suspected malicious nodes. A node's trustworthiness is quantified based on direct observations from agent experiences and indirect observations from neighboring nodes, using concepts from Dempster-Shafer theory. Simulation results show the approach can robustly detect malicious nodes like blackholes and wormholes, even in large networks, helping to secure mobile agents in the dynamic MANET environment.
The document proposes an Efficient Distributed Trust Model (EDTM) for wireless sensor networks. EDTM calculates direct trust based on communication, energy, and data factors, and calculates recommendation trust based on reliability and familiarity. This provides a more precise evaluation of sensor node trustworthiness than models only using communication behavior. EDTM also considers trust for non-neighbor nodes, addresses uncertainty, and models trust as dynamic over time and environment conditions. Simulation results show EDTM outperforms other models like NBBTE in preventing security breaches.
RISK ASSESSMENT ALGORITHM IN WIRELESS SENSOR NETWORKS USING BETA DISTRIBUTIONIJCNCJournal
This paper introduces the Beta distribution as a novel technique to weight direct and indirect trust and
assessing the risk in wireless sensor networks. This paper also reviews the trust factors, which play a major
role in building trust in wireless sensor networks and explains the dynamic aspects of trust. This is an
extension of a previous work done by the authors using a new approach to assess risk. Simulation results
related to the previous work and to the new approach introduced in this paper are also presented for easy
comparison
IRJET- A Confidence Model based Routing Practice for Secure Adhoc NetworksIRJET Journal
This document proposes a Trusted AODV (TAODV) routing protocol to secure ad hoc networks. TAODV extends the AODV routing protocol and uses a trust model to represent trust relationships between nodes. In TAODV, a node's trust in another is represented by an opinion that considers belief, disbelief, and uncertainty. Opinions are updated over time based on successful or failed communications. TAODV introduces a trust recommendation mechanism to exchange trust information between nodes. The protocol performs trusted routing discovery and maintenance based on nodes' trust opinions of one another to improve security and efficiency compared to cryptographic approaches.
Misconduct disclosure of the intermediates using the trusted authorityeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
TRUST ORIENTED SECURITY FRAMEWORK FOR AD HOC NETWORKcscpconf
An ad hoc network is a group of wireless mobile hosts that are connected momentarily through
wireless connections in the dearth of any centralized control or some supporting services. The
mobile ad hoc network is at risk by its environment because of the vulnerabilities at channel and
node level. The conventional security mechanisms deals with only protecting resources from unauthorized access, but are not capable to safeguard the network from who offer resources. Adding trust to the on hand security infrastructures would improvise the security of these environments. A trust oriented security framework for adhoc network using ontological engineering approach is proposed by modeling ad hoc network, the OLSR (Optimized Link State Routing) protocol and trust model as OWL (Ontology Web language) ontologies, which are integrated using Jena. In this model, a trustor can calculate its trust about trustee and use the calculated trust values to make decisions depending on the context of the application or interaction about granting or rejecting it. A number of experiments with a potential implementation of suggested framework are performed to validate the characteristics of a trust oriented model suggested by the literature by this framework
Trust Based Management with User Feedback Service in Cloud EnvironmentIRJET Journal
The document proposes a trust-based management system using user feedback in cloud environments. It introduces challenges with trust and security in cloud computing due to the dynamic and distributed nature of clouds. The proposed system uses an RSA algorithm to encrypt data and build trust between clouds and users based on customer feedback. It aims to detect misleading feedback through collusion detection and identify Sybil attacks by verifying user identities. The system evaluates feedback through data analysis to determine the credibility of trust information and protect cloud services from malicious users.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
A SECURE CLUSTER BASED COMMUNICATION IN WIRELESS NETWORK USING CRYPTOGRAPHIC ...IJNSA Journal
Mobile Adhoc Networks are becoming very popular in current Wireless Technology, which is been
associated to business, socially and in some critical applications like Military etc, The network which is
formed by self configuring wireless links which are connected to each other. These applications are
categorized by hostile environment that they serve while communicating between nodes. However in such
Wireless Network will be more exposed to different types of security attacks. The challenge is to meet
secure network communication. In this paper we focus on cluster based secure communication to improve
the reliability between clusters. In this scheme the Cluster Members (CM) submits a report to the Cluster
Head (CH) and temporarily stores Evidences as a security tokens. The reports contain digital signatures.
The CH will verify the consistency of the CM report and updates to Accounting Centre (AC). AC will verify
the uniformity of reports and clears the cryptographic operations. For attacker nodes, the security tokens
are requested to classify and expel the attacker nodes which submit wrong reports.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
PERFORMANCE ANALYSIS OF THE NEIGHBOR WEIGHT TRUST DETERMINATION ALGORITHM IN ...IJNSA Journal
Mobile ad-hoc networks (MANETs) are susceptible to attacks by malicious nodes that could easily bring down the whole network. Therefore, it is important to have
a reliable mechanism for detecting and isolating malicious nodes before they can do any harm to the network. One of the possible mechanisms is by using trust-based routing protocols. One of the main requirements of such protocols is to have a cost-effective trust determination algorithm. This paper presents the performance analysis of a recently developed trust determination algorithm, namely, the neighbor-weight trust determination (NWTD) algorithm. The performance of the algorithm is evaluated through simulation using the MANET simulator (MANSim). The simulation results demonstrated the reliability and effectiveness of the algorithm in identifying and isolating any maliciously behaving node(s) in a timely manner.
PERFORMANCE ANALYSIS OF THE NEIGHBOR WEIGHT TRUST DETERMINATION ALGORITHM IN ...IJNSA Journal
Mobile ad-hoc networks (MANETs) are susceptible to attacks by malicious nodes that could easily bring
down the whole network. Therefore, it is important to have a reliable mechanism for detecting and isolating
malicious nodes before they can do any harm to the network. One of the possible mechanisms is by using
trust-based routing protocols. One of the main requirements of such protocols is to have a cost-effective
trust determination algorithm. This paper presents the performance analysis of a recently developed trust
determination algorithm, namely, the neighbor-weight trust determination (NWTD) algorithm. The
performance of the algorithm is evaluated through simulation using the MANET simulator (MANSim). The
simulation results demonstrated the reliability and effectiveness of the algorithm in identifying and
isolating any maliciously behaving node(s) in a timely manner.
A DISTRIBUTED TRUST MANAGEMENT FRAMEWORK FOR DETECTING MALICIOUS PACKET DROPP...IJNSA Journal
In a multi-hop mobile ad hoc network (MANET) mobile nodes communicate with each other forming a cooperative radio network. Security remains a major challenge for these networks due to their features of open medium, dynamically changing topologies, reliance on cooperative algorithms, absence of centralized monitoring points, and lack of any clear lines of defense. Most of the currently existingsecurity algorithms designed for these networks are insecure, in efficient, and have low detection accuracy for nodes’ misbehaviour. In this paper, a new approach has been proposed to bring out the complementary relationship between key distribution and misbehaviour detection for developing an integrated security solution for MANETs. The redundancy of routing inform ation in ad hoc networks is utilized to develop a highly reliable protocol that works even in presence of transient network
partitioning and Byzantine failure of nodes. The proposed mechanism is fully co-operative, and thus it is more robust as the vulnerabilities of the election algorithms used for choosing the subset of nodes for cooperation are absent. Simulation results show the effectiveness of the proposed protocol.
Implementation of New Routing Protocol for Node Security in a Mobile Ad Hoc N...CSCJournals
A routing protocol plays important role to handle entire network for communication and determines the paths of packets. A node is a part of the defined network for transferring information in form of packets. If all packets transferred from source to destination successfully, it has been assumed that the routing protocol is good. But, an attacker turns this dealing as a speed breaker and turning point of a highway. So, prevention from attacks and secure packets, a new routing protocol is being introduced in this paper. The proposed routing protocol is called by SNAODV (Secure Node AODV). This paper is also tried to maximize throughput as compared with AODV and SAODV.
Detecting Misbehavior Nodes Using Secured Delay Tolerant NetworkIRJET Journal
This document proposes a method called Statistical-based Detection of Blackhole and Greyhole attackers (SDBG) to detect misbehaving nodes in delay tolerant networks. SDBG can detect both individual misbehaving nodes as well as nodes that are colluding together. It works by having each node record encounter data with other nodes, including the number of messages sent and received. Individual nodes that drop many messages can be detected based on having a low message forwarding ratio. Colluding nodes can be detected because they will have sent many messages to each other to fake good behavior. The method aims to accurately detect misbehaving nodes while keeping false positives low. Extensive simulations showed it can work well across different network conditions.
IRJET- Web User Trust Relationship Prediction based on Evidence TheoryIRJET Journal
1. The document proposes a method to predict trust relationships between web users based on evidence theory. It uses user ratings of web content as evidence to infer trust, with each rating treated as a piece of evidence.
2. The method computes personalized trust recommendations by analyzing the provenance of existing trust annotations in social networks. It then uses the computed trust values to personalize websites, like recommending movies based on trust.
3. The approach integrates trust, provenance, and annotations on the semantic web to process information. Two applications are presented that illustrate using trust annotations and provenance for personalization.
Secure and efficient handover authentication and detection of spoofing attackeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
WIRELESS DEVICE POSITIONING AND FINDING INTRUDER USING RSSAM Publications
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks.
The risks to users of wireless technology have increased as the service has become more popular. Wi-Fi can be less
secure than wired connections (such as Ethernet) because an intruder does not need a physical connection. By any
chance if the wireless device attacked by intruder it is hard to locate the device. Locating a wireless device in a Wi-Fi
network by calculating the distance of each node and localize the wireless accurately. A common measure to deter
unauthorized users involves hiding the access point's name by disabling the SSID broadcast. While effective against the
casual user, it is ineffective as a security method because the SSID is broadcast in the clear in response to a client SSID
query. Another method is to only allow computers with known MAC addresses to join the network. The robust location
estimation assumes the reference location in the target environment, the proposed location system maps the input to the
physical location using RSS algorithm. In SSID is the application software used to list the set of wireless device available
in the surrounding and it used to create a gpx file. Converting gpx file in a table format for further distance estimation.
Trust management scheme for ad hoc networks using a social network basIAEME Publication
This document proposes a trust management scheme for ad-hoc networks using a social network based approach. It describes how trust is established between nodes using both direct and indirect trust evaluations. Direct trust is computed based on factors like packet weightage, success rate, frequency of communication, number of links, and battery life. Indirect trust is calculated as the weighted average of other nodes' direct trusts. A social network model is presented where nodes are connected if they can directly communicate. Each node maintains local and global tables to track trust values and available services of other nodes.
A secure alert messaging for vehicular ad hoc networksIAEME Publication
This document summarizes a research paper that proposes a secure alert messaging system for vehicular ad hoc networks using clustering and trust relationships. The paper aims to ensure emergency messages in VANETs are genuine and disseminated to all vehicles without delay. It uses clustering to notify vehicles of emergencies and establishes trust between vehicles to protect against malicious actors. The system is designed to assure user privacy through distributed trust establishment and detect fake location or time stamps sent by intruders to increase network security.
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The document proposes a computational dynamic trust model for user authorization that is rooted in social science findings. Unlike existing models, it distinguishes between trusting beliefs in integrity and competence in different contexts. It also accounts for subjectivity in trust evaluations. Simulation experiments showed the proposed integrity belief model achieved better performance than other models, especially in predicting behaviors of unstable users. The model separates beliefs in competence and integrity, uses contexts, and builds trust through direct experience and recommendations while accounting for subjectivity.
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
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journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
This document summarizes a research paper that proposes a method for identifying reliable nodes in an ad hoc wireless network to form stable routing paths. The method evaluates nodes based on their transmission range, signal strength, packet forwarding capacity, and position. Nodes meeting certain thresholds for these metrics are identified as reliable and added to a neighbor routing table. Simulation results showed this selective approach to identifying reliable nodes performed better than the traditional AODV routing protocol at maintaining stable routes in the face of node mobility.
This document summarizes a study comparing the performance of the AODV and MAODV routing protocols in a mobile ad hoc network (MANET) using the Network Simulator 2 (NS-2). The study introduces a malicious node to simulate a hacker attack and analyzes the impact on packet delivery ratio, end-to-end delay, and throughput under different node densities and pause times. The results show that MAODV has lower performance than AODV, and the difference increases as the number of nodes increases due to the greater impact of the malicious node. Future work could extend the study to include more malicious nodes and design a new protocol to detect and mitigate malicious nodes.
A survey of mitigating routing misbehavior in mobile ad hoc networksIAEME Publication
This document summarizes various techniques that can be used to detect and mitigate routing misbehavior in mobile ad hoc networks (MANETs). It discusses how selfish or malicious nodes can degrade network performance by dropping packets. It categorizes the main approaches as credit-based schemes, which use virtual currencies to incentivize packet forwarding, and reputation-based schemes, which use techniques like watchdog and path rater to monitor node behavior and isolate misbehaving nodes. It also describes end-to-end acknowledgment schemes like 2ACK, SACK and BFTR that detect routing errors through feedback from the destination node.
Trust Based Management with User Feedback Service in Cloud EnvironmentIRJET Journal
The document proposes a trust-based management system using user feedback in cloud environments. It introduces challenges with trust and security in cloud computing due to the dynamic and distributed nature of clouds. The proposed system uses an RSA algorithm to encrypt data and build trust between clouds and users based on customer feedback. It aims to detect misleading feedback through collusion detection and identify Sybil attacks by verifying user identities. The system evaluates feedback through data analysis to determine the credibility of trust information and protect cloud services from malicious users.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
A SECURE CLUSTER BASED COMMUNICATION IN WIRELESS NETWORK USING CRYPTOGRAPHIC ...IJNSA Journal
Mobile Adhoc Networks are becoming very popular in current Wireless Technology, which is been
associated to business, socially and in some critical applications like Military etc, The network which is
formed by self configuring wireless links which are connected to each other. These applications are
categorized by hostile environment that they serve while communicating between nodes. However in such
Wireless Network will be more exposed to different types of security attacks. The challenge is to meet
secure network communication. In this paper we focus on cluster based secure communication to improve
the reliability between clusters. In this scheme the Cluster Members (CM) submits a report to the Cluster
Head (CH) and temporarily stores Evidences as a security tokens. The reports contain digital signatures.
The CH will verify the consistency of the CM report and updates to Accounting Centre (AC). AC will verify
the uniformity of reports and clears the cryptographic operations. For attacker nodes, the security tokens
are requested to classify and expel the attacker nodes which submit wrong reports.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
PERFORMANCE ANALYSIS OF THE NEIGHBOR WEIGHT TRUST DETERMINATION ALGORITHM IN ...IJNSA Journal
Mobile ad-hoc networks (MANETs) are susceptible to attacks by malicious nodes that could easily bring down the whole network. Therefore, it is important to have
a reliable mechanism for detecting and isolating malicious nodes before they can do any harm to the network. One of the possible mechanisms is by using trust-based routing protocols. One of the main requirements of such protocols is to have a cost-effective trust determination algorithm. This paper presents the performance analysis of a recently developed trust determination algorithm, namely, the neighbor-weight trust determination (NWTD) algorithm. The performance of the algorithm is evaluated through simulation using the MANET simulator (MANSim). The simulation results demonstrated the reliability and effectiveness of the algorithm in identifying and isolating any maliciously behaving node(s) in a timely manner.
PERFORMANCE ANALYSIS OF THE NEIGHBOR WEIGHT TRUST DETERMINATION ALGORITHM IN ...IJNSA Journal
Mobile ad-hoc networks (MANETs) are susceptible to attacks by malicious nodes that could easily bring
down the whole network. Therefore, it is important to have a reliable mechanism for detecting and isolating
malicious nodes before they can do any harm to the network. One of the possible mechanisms is by using
trust-based routing protocols. One of the main requirements of such protocols is to have a cost-effective
trust determination algorithm. This paper presents the performance analysis of a recently developed trust
determination algorithm, namely, the neighbor-weight trust determination (NWTD) algorithm. The
performance of the algorithm is evaluated through simulation using the MANET simulator (MANSim). The
simulation results demonstrated the reliability and effectiveness of the algorithm in identifying and
isolating any maliciously behaving node(s) in a timely manner.
A DISTRIBUTED TRUST MANAGEMENT FRAMEWORK FOR DETECTING MALICIOUS PACKET DROPP...IJNSA Journal
In a multi-hop mobile ad hoc network (MANET) mobile nodes communicate with each other forming a cooperative radio network. Security remains a major challenge for these networks due to their features of open medium, dynamically changing topologies, reliance on cooperative algorithms, absence of centralized monitoring points, and lack of any clear lines of defense. Most of the currently existingsecurity algorithms designed for these networks are insecure, in efficient, and have low detection accuracy for nodes’ misbehaviour. In this paper, a new approach has been proposed to bring out the complementary relationship between key distribution and misbehaviour detection for developing an integrated security solution for MANETs. The redundancy of routing inform ation in ad hoc networks is utilized to develop a highly reliable protocol that works even in presence of transient network
partitioning and Byzantine failure of nodes. The proposed mechanism is fully co-operative, and thus it is more robust as the vulnerabilities of the election algorithms used for choosing the subset of nodes for cooperation are absent. Simulation results show the effectiveness of the proposed protocol.
Implementation of New Routing Protocol for Node Security in a Mobile Ad Hoc N...CSCJournals
A routing protocol plays important role to handle entire network for communication and determines the paths of packets. A node is a part of the defined network for transferring information in form of packets. If all packets transferred from source to destination successfully, it has been assumed that the routing protocol is good. But, an attacker turns this dealing as a speed breaker and turning point of a highway. So, prevention from attacks and secure packets, a new routing protocol is being introduced in this paper. The proposed routing protocol is called by SNAODV (Secure Node AODV). This paper is also tried to maximize throughput as compared with AODV and SAODV.
Detecting Misbehavior Nodes Using Secured Delay Tolerant NetworkIRJET Journal
This document proposes a method called Statistical-based Detection of Blackhole and Greyhole attackers (SDBG) to detect misbehaving nodes in delay tolerant networks. SDBG can detect both individual misbehaving nodes as well as nodes that are colluding together. It works by having each node record encounter data with other nodes, including the number of messages sent and received. Individual nodes that drop many messages can be detected based on having a low message forwarding ratio. Colluding nodes can be detected because they will have sent many messages to each other to fake good behavior. The method aims to accurately detect misbehaving nodes while keeping false positives low. Extensive simulations showed it can work well across different network conditions.
IRJET- Web User Trust Relationship Prediction based on Evidence TheoryIRJET Journal
1. The document proposes a method to predict trust relationships between web users based on evidence theory. It uses user ratings of web content as evidence to infer trust, with each rating treated as a piece of evidence.
2. The method computes personalized trust recommendations by analyzing the provenance of existing trust annotations in social networks. It then uses the computed trust values to personalize websites, like recommending movies based on trust.
3. The approach integrates trust, provenance, and annotations on the semantic web to process information. Two applications are presented that illustrate using trust annotations and provenance for personalization.
Secure and efficient handover authentication and detection of spoofing attackeSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
WIRELESS DEVICE POSITIONING AND FINDING INTRUDER USING RSSAM Publications
Wireless security is the prevention of unauthorized access or damage to computers using wireless networks.
The risks to users of wireless technology have increased as the service has become more popular. Wi-Fi can be less
secure than wired connections (such as Ethernet) because an intruder does not need a physical connection. By any
chance if the wireless device attacked by intruder it is hard to locate the device. Locating a wireless device in a Wi-Fi
network by calculating the distance of each node and localize the wireless accurately. A common measure to deter
unauthorized users involves hiding the access point's name by disabling the SSID broadcast. While effective against the
casual user, it is ineffective as a security method because the SSID is broadcast in the clear in response to a client SSID
query. Another method is to only allow computers with known MAC addresses to join the network. The robust location
estimation assumes the reference location in the target environment, the proposed location system maps the input to the
physical location using RSS algorithm. In SSID is the application software used to list the set of wireless device available
in the surrounding and it used to create a gpx file. Converting gpx file in a table format for further distance estimation.
Trust management scheme for ad hoc networks using a social network basIAEME Publication
This document proposes a trust management scheme for ad-hoc networks using a social network based approach. It describes how trust is established between nodes using both direct and indirect trust evaluations. Direct trust is computed based on factors like packet weightage, success rate, frequency of communication, number of links, and battery life. Indirect trust is calculated as the weighted average of other nodes' direct trusts. A social network model is presented where nodes are connected if they can directly communicate. Each node maintains local and global tables to track trust values and available services of other nodes.
A secure alert messaging for vehicular ad hoc networksIAEME Publication
This document summarizes a research paper that proposes a secure alert messaging system for vehicular ad hoc networks using clustering and trust relationships. The paper aims to ensure emergency messages in VANETs are genuine and disseminated to all vehicles without delay. It uses clustering to notify vehicles of emergencies and establishes trust between vehicles to protect against malicious actors. The system is designed to assure user privacy through distributed trust establishment and detect fake location or time stamps sent by intruders to increase network security.
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The document proposes a computational dynamic trust model for user authorization that is rooted in social science findings. Unlike existing models, it distinguishes between trusting beliefs in integrity and competence in different contexts. It also accounts for subjectivity in trust evaluations. Simulation experiments showed the proposed integrity belief model achieved better performance than other models, especially in predicting behaviors of unstable users. The model separates beliefs in competence and integrity, uses contexts, and builds trust through direct experience and recommendations while accounting for subjectivity.
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
This document summarizes a research paper that proposes a method for identifying reliable nodes in an ad hoc wireless network to form stable routing paths. The method evaluates nodes based on their transmission range, signal strength, packet forwarding capacity, and position. Nodes meeting certain thresholds for these metrics are identified as reliable and added to a neighbor routing table. Simulation results showed this selective approach to identifying reliable nodes performed better than the traditional AODV routing protocol at maintaining stable routes in the face of node mobility.
This document summarizes a study comparing the performance of the AODV and MAODV routing protocols in a mobile ad hoc network (MANET) using the Network Simulator 2 (NS-2). The study introduces a malicious node to simulate a hacker attack and analyzes the impact on packet delivery ratio, end-to-end delay, and throughput under different node densities and pause times. The results show that MAODV has lower performance than AODV, and the difference increases as the number of nodes increases due to the greater impact of the malicious node. Future work could extend the study to include more malicious nodes and design a new protocol to detect and mitigate malicious nodes.
A survey of mitigating routing misbehavior in mobile ad hoc networksIAEME Publication
This document summarizes various techniques that can be used to detect and mitigate routing misbehavior in mobile ad hoc networks (MANETs). It discusses how selfish or malicious nodes can degrade network performance by dropping packets. It categorizes the main approaches as credit-based schemes, which use virtual currencies to incentivize packet forwarding, and reputation-based schemes, which use techniques like watchdog and path rater to monitor node behavior and isolate misbehaving nodes. It also describes end-to-end acknowledgment schemes like 2ACK, SACK and BFTR that detect routing errors through feedback from the destination node.
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals
1) The document discusses different control strategies for DSTATCOM (distribution static synchronous compensator), including Synchronous Reference Frame (SRF) methods, to mitigate voltage sags and compensate reactive power.
2) It analyzes the SRF method, SRF without phase locked loop (PLL), and a modified SRF method through mathematical modeling and MATLAB simulation.
3) The comparison of results from the different control strategies indicates that SRF provides effective compensation of voltage sags and reactive power under steady state conditions.
This document summarizes a proposed scheme called 2ACK for detecting routing misbehavior in mobile ad hoc networks (MANETs) that use the Optimized Link State Routing (OLSR) protocol. The 2ACK scheme involves sending two-hop acknowledgments in the opposite direction of the routing path to detect if any nodes are dropping packets instead of forwarding them as they should. Selfish nodes that refuse to forward packets can reduce network performance. The 2ACK scheme aims to identify these misbehaving nodes in order to improve routing reliability and efficiency in MANETs.
This document summarizes three trust-based security models for mobile ad hoc networks (MANETs):
1) The Secure MANET Routing Trust Intrigue (SMRTI) model calculates direct and recommended trust values to evaluate nodes, packets, and routes. It uses these evaluations to make security decisions.
2) The Maturity-Based model incorporates relationship maturity, where trust in long-term neighbors is given more weight. It uses a Recommendation Exchange Protocol for nodes to share recommendations.
3) The Trust Based Information Sharing (TRUISM) model defines properties like direct trusted neighbors and context-dependent trust. It calculates recommendation trust from opinions shared between neighbors.
Routing and Security Issues for Trust Based Framework in Mobile Ad Hoc Networksiosrjce
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
This document discusses routing and security issues for trust-based frameworks in mobile ad hoc networks (MANETs). It begins by defining MANETs and explaining that routing protocols play an important role in discovering optimal paths between nodes. However, the dynamic and unpredictable nature of MANETs makes routing difficult. The document then examines security issues for MANETs including attacks from malicious nodes. It argues that establishing trust between nodes is important for routing and security. However, existing trust-based routing proposals have issues that are not clearly addressed, such as how to calculate and establish trust between nodes. The document concludes by stating that addressing these open issues could help develop more efficient and robust trust-based routing protocols for MANETs.
Elimination of Malicious Node by using Clustering Technique in Mobile Ad Hoc ...IRJET Journal
This document discusses techniques for eliminating malicious nodes in mobile ad hoc networks (MANETs) through clustering. Specifically, it proposes finding a single trusted cluster head node based on both transmission range and highest energy, rather than just highest energy, in order to avoid selecting malicious nodes as cluster heads. The proposed approach is tested through simulation in NS2, showing improved network performance compared to existing techniques. Distributed denial of service (DDoS) attacks pose a challenge in MANETs due to their open nature, and trust-based routing protocols have been developed to help mitigate such attacks by identifying malicious or untrusted nodes.
Mitigating Various Attacks in Mobile Ad-hoc Networks Using Trust Based ApproachIJLT EMAS
A Mobile ad hoc network (MANET) is self-organizing,
decentralized and infrastructure-less wireless network. The
successful transmission of the data packet depends on the
complete cooperation of each node in the network. These types of
network don’t have permanent base station, so each node in the
network acts as a router. Due to openness, decentralized, selforganizing
nature of MANET, it is vulnerable to various attacks.
So security is the main concern in MANET.
In this project, we have considered 2 attacks; Vampire
attack and DDoS attacks. Vampire attack drains the energy of
the nodes. DDoS attack exhausts the resources available to a
network, such that the node cannot provide any services. Here,
we discuss methods 2 methods as a solution to our problem; one
is to prevent the attack from happening and other to detect and
recover from the attacks.
Modelling of A Trust and Reputation Model in Wireless Networksijeei-iaes
Security is the major challenge for Wireless Sensor Networks (WSNs). The sensor nodes are deployed in non controlled environment, facing the danger of information leakage, adversary attacks and other threats. Trust and Reputation models are solutions for this problem and to identify malicious, selfish and compromised nodes. This paper aims to evaluate varying collusion effect with respect to static (SW), dynamic (DW), static with collusion (SWC), dynamic with collusion (DWC) and oscillating wireless sensor networks to derive the joint resultant of Eigen Trust Model. An attempt has been made for the same by comparing aforementioned networks that are purely dedicated to protect the WSNs from adversary attacks and maintain the security issues. The comparison has been made with respect to accuracy and path length and founded that, collusion for wireless sensor networks seems intractable with the static and dynamic WSNs when varied with specified number of fraudulent nodes in the scenario. Additionally, it consumes more energy and resources in oscillating and collusive environments.
A TRUST-BASED PREDICTIVE MODEL FOR MOBILE AD HOC NETWORKSpijans
The Internet of things (IoT) is a heterogeneous network of different types of wireless networks such as wireless sensor networks (WSNs), ZigBee, Wi-Fi, mobile ad hoc networks (MANETs), and RFID. To make IoT a reality for smart environment, more attractive to end users, and economically successful, it must be compatible with WSNs and MANETs. In light of this, the present paper discusses a novel quantitative trust model for an IoT-MANET. The proposed trust model combines both direct and indirect trust opinion in order to calculate the final trust value for a node. Further, a routing protocol has been designed to ensure the secure and reliable end-to-end delivery of packets by only considering trustworthy nodes in the path. Simulation results show that our proposed trust model outperforms similar existing trust models.
A Trust-Based Predictive Model for Mobile Ad Hoc Networkspijans
The Internet of things (IoT) is a heterogeneous network of different types of wireless networks such as wireless sensor networks (WSNs), ZigBee, Wi-Fi, mobile ad hoc networks (MANETs), and RFID. To make IoT a reality for smart environment, more attractive to end users, and economically successful, it must be compatible with WSNs and MANETs. In light of this, the present paper discusses a novel quantitative trust model for an IoT-MANET. The proposed trust model combines both direct and indirect trust opinion in order to calculate the final trust value for a node. Further, a routing protocol has been designed to ensure the secure and reliable end-to-end delivery of packets by only considering trustworthy nodes in the path. Simulation results show that our proposed trust model outperforms similar existing trust models.
AUTHENTICATION USING TRUST TO DETECT MISBEHAVING NODES IN MOBILE AD HOC NETWO...IJNSA Journal
Providing security in Mobile Ad Hoc Network is crucial problem due to its open shared wireless medium, multi-hop and dynamic nature, constrained resources, lack of administration and cooperation. Traditionally routing protocols are designed to cope with routing operation but in practice they may be affected by misbehaving nodes so that they try to disturb the normal routing operations by launching different attacks with the intention to minimize or collapse the overall network performance. Therefore detecting a trusted node means ensuring authentication and securing routing can be expected. In this article we have proposed a Trust and Q-learning based Security (TQS) model to detect the misbehaving nodes over Ad Hoc On Demand Distance-Vector (AODV) routing protocol. Here we avoid the misbehaving nodes by calculating an aggregated reward, based on the Q-learning mechanism by using their historical forwarding and responding behaviour by the way misbehaving nodes can be isolated.
AUTHENTICATION USING TRUST TO DETECT MISBEHAVING NODES IN MOBILE AD HOC NETWO...IJNSA Journal
Providing security in Mobile Ad Hoc Network is crucial problem due to its open shared wireless medium,
multi-hop and dynamic nature, constrained resources, lack of administration and cooperation.
Traditionally routing protocols are designed to cope with routing operation but in practice they may be
affected by misbehaving nodes so that they try to disturb the normal routing operations by launching
different attacks with the intention to minimize or collapse the overall network performance. Therefore
detecting a trusted node means ensuring authentication and securing routing can be expected. In this
article we have proposed a Trust and Q-learning based Security (TQS) model to detect the misbehaving
nodes over Ad Hoc On Demand Distance-Vector (AODV) routing protocol. Here we avoid the misbehaving
nodes by calculating an aggregated reward, based on the Q-learning mechanism by using their historical
forwarding and responding behaviour by the way misbehaving nodes can be isolated.
This document summarizes a research paper that proposes a new trust management scheme to enhance security in mobile ad hoc networks (MANETs). The scheme uses uncertain reasoning to evaluate trust values based on direct observation from a node and indirect observation from neighboring nodes. Trust is evaluated using Bayesian inference for direct observation and Dempster-Shafer theory for indirect observation. Simulation results show the scheme improves throughput, packet delivery ratio, and security with a slight increase in delay and overhead compared to the standard Ad Hoc On-Demand Distance Vector (AODV) routing protocol.
AN INDEPENDENT TRUST MODEL FOR MANET BASED ON FUZZY LOGIC RULESIAEME Publication
A mobile ad hoc network (MANET) is a self-organized system comprised by multiple mobile wireless nodes. Due to the openness in network topology and the absence of centralized administration in management, MANET is vulnerable to attacks from malicious nodes. In order to reduce the hazards from these malicious nodes, we incorporate the concept of trust into the MANET, and build a subjective trust management model with multiple decision factors based on the analytic hierarchy process (AHP) theory and the fuzzy logic rules prediction method ˉ AFStrust. We consider multiple decision factors, including direct trust, recommendation trust, incentive function and active degree, in our model to reflect trust relationship’s complexity and uncertainty from various aspects. It overcomes the shortage of traditional method, where the decision factors are incomplete. Moreover, the weight of classification is set up by AHP for these decision factors, which makes the model has a better rationality and a higher practicability. Compared to the existing trust management models, comprehensive experiments have been conducted to evaluate the efficiency of our trust management model in the improvement of network interaction quality, trust dynamic adaptability, malicious node identification, attack resistance and enhancements of system’s security.
PERFORMANCE ANALYSIS OF THE NEIGHBOR WEIGHT TRUST DETERMINATION ALGORITHM IN ...IJNSA Journal
Mobile ad-hoc networks (MANETs) are susceptible to attacks by malicious nodes that could easily bring down the whole network. Therefore, it is important to have a reliable mechanism for detecting and isolating malicious nodes before they can do any harm to the network. One of the possible mechanisms is by using trust-based routing protocols. One of the main requirements of such protocols is to have a cost-effective trust determination algorithm. This paper presents the performance analysis of a recently developed trust determination algorithm, namely, the neighbor-weight trust determination (NWTD) algorithm. The performance of the algorithm is evaluated through simulation using the MANET simulator (MANSim). The simulation results demonstrated the reliability and effectiveness of the algorithm in identifying and isolating any maliciously behaving node(s) in a timely manner.
Improving Network Security in MANETS using IEEACKijsrd.com
This document discusses improving network security in mobile ad hoc networks (MANETs) using an improved version of the EAACK intrusion detection system called IEEACK. IEEACK aims to address some of the weaknesses of EAACK related to link breakage, malicious sources, and partial packet dropping. The document describes the components of IEEACK, including ACK, S-ACK, MRA, digital signatures, and a new trust-based quality of service model. Simulation results show that IEEACK can prevent attacks from malicious nodes and improve security performance metrics like packet delivery ratio and detection of malicious nodes.
A REVIEW: TRUST, ATTACKS AND SECURITY CHALLENGES IN MANETieijjournal
Mobile Ad-hoc Networks or MANETs are mostly found in situations where any fixed facilities are just not available. MANET provides some fundamental responsibilities such as routing, packet forwarding communication and network management etc over self structured network. This specially affects the energy, bandwidth and memory computation requirements. Providing trust in MANET is an additional
critical task because of lack of centralized infrastructure. Since during the deployment of MANET nodes that are fresh continue returning and aged ones go from the cluster/network, there is demand for maintaining the record also to provide appropriate certification for the arriving node(s) that are fresh as well as the present node(s) in the network. But due to various types of intrusion threats and attacks it is hard to fully scrutinize any new node so as to allow only safe nodes to get connected with the existing safe system. In a cluster of large size these trusted node(s) will likely be communicating together, all the while
allowing or disallowing entry/communication of the compromised node(s) or trusted model to continue to
maintain a stable, secured, trustworthy group of movable nodes. All the reported techniques have been systematically categorized and their strong and weak points have been discussed.
MANET (Mobile Ad-hoc Network) is hot spot for research due to its various advantages and
disadvantages. Providing safe communication between mobile nodes, recognization the position of
nodes, reducing overhead, handling misbehavior and location updates are such a difficult issues in
ad-hoc network, so providing trust schemes is an important in this network. MANET provides some
basic functions like routing, communication, network management and packet forwarding etc over
self organized network. Because MANET has not a fixed topology, in which mobile nodes comes and
leaves the network within a random period of time. It effects energy, bandwidth and memory
computations of network. Providing trust in MANET is such a crucial task because it doesn’t having
centralized infrastructure. In this paper, we survey the different trust model schemes of MANET with
their unique features, merits and demerits & findings.
For enhancing VANET security, an autonomic trust and reputation monitoring scheme is proposed which uses a trust based data transfer protocol based on reputation and plausibility checks. The proposed framework uses autonomic principles and trust monitoring scheme to provide uniform trust information throughout the network with minimum overhead. It aims to reduce the impact of double-face attacks by isolating selfish and malicious nodes. The scheme generates local and global trust tables to evaluate node trustworthiness and identify malicious nodes for isolation from the network.
A secure trust-based protocol for hierarchical routing in wireless sensor ne...IJECEIAES
Wireless sensor networks (WSNs) became the backbone of the internet of things (IoT). IoT applications are vital and demand specific quality of service (QoS) requirements. In addition, security has become a primary concern to provide secure communication between wireless nodes, with additional challenges related to the node’s computational resources. Particular, the design of secure and resource efficient routing protocol is a critical issue in the current deployment of WSNs. Therefore, this paper proposes a novel secure-trust aware routing protocol (ST2A) that provides secure and reliable routing. The proposed protocol establishes communication routes based on calculated trust value in joint with a novel cluster head selection algorithm in the hierarchical routing process. The proposed trust-aware routing algorithm improves the routing security in WSN and optimizes many performance metrics related to WSNs unique characteristics. The results of simulation validate the feasibility of the proposed algorithm for enhancing the network lifetime up to 18% and data delivery by 17% as compared with some state-of-the-art routing algorithms.
The reliability of delivering packets through multi-hop intermediate nodes is a significant issue in the mobile ad hoc networks (MANETs). The distributed mobile nodes establish connections to form the MANET, which may include selfish and misbehaving nodes. Recommendation based trust management has been proposed in the literature as a mechanism to filter out the misbehaving nodes while searching for a packet delivery route. However, building a trust model that relies on the recommendations from other nodes in the network is vulnerable to the possible dishonest behaviour, such as bad-mouthing, ballot-stuffing, and collusion, of the recommending nodes. This paper investigates the problems of attacks posed by misbehaving nodes while propagating recommendations in the existing trust models. We propose a recommendation-based trust model with a defence scheme that utilises clustering technique to dynamically filter attacks related to dishonest recommendations within certain time based on number of interactions, compatibility of information and node closeness. The model is empirically tested in several mobile and disconnected topologies in which nodes experience changes in their neighbourhoods and consequently face frequent route changes. The empirical analysis demonstrates robustness and accuracy of the trust model in a dynamic MANET environment
The reliability of delivering packets through multi-hop intermediate nodes is a significant issue in the mobile ad hoc networks (MANETs). The distributed mobile nodes establish connections to form the MANET, which may include selfish and misbehaving nodes. Recommendation based trust management has been proposed in the literature as a mechanism to filter out the misbehaving nodes while searching for a packet delivery route. However, building a trust model that relies on the recommendations from other nodes in the network is vulnerable to the possible dishonest behaviour, such as bad-mouthing, ballot-stuffing, and collusion, of the recommending nodes. This paper investigates the problems of attacks posed by misbehaving nodes while propagating recommendations in the existing trust models. We propose a recommendation-based trust model with a defence scheme that utilises clustering technique to dynamically filter attacks related to dishonest recommendations within certain time based on number of interactions, compatibility of information and node closeness. The model is empirically tested in several mobile and disconnected topologies in which nodes experience changes in their neighbourhoods and consequently face frequent route changes. The empirical analysis demonstrates robustness and accuracy of the trust model in a dynamic MANET environment.
Similar to A survey on trust based routing in manet (20)
Submission Deadline: 30th September 2022
Acceptance Notification: Within Three Days’ time period
Online Publication: Within 24 Hrs. time Period
Expected Date of Dispatch of Printed Journal: 5th October 2022
MODELING AND ANALYSIS OF SURFACE ROUGHNESS AND WHITE LATER THICKNESS IN WIRE-...IAEME Publication
White layer thickness (WLT) formed and surface roughness in wire electric discharge turning (WEDT) of tungsten carbide composite has been made to model through response surface methodology (RSM). A Taguchi’s standard Design of experiments involving five input variables with three levels has been employed to establish a mathematical model between input parameters and responses. Percentage of cobalt content, spindle speed, Pulse on-time, wire feed and pulse off-time were changed during the experimental tests based on the Taguchi’s orthogonal array L27 (3^13). Analysis of variance (ANOVA) revealed that the mathematical models obtained can adequately describe performance within the parameters of the factors considered. There was a good agreement between the experimental and predicted values in this study.
A STUDY ON THE REASONS FOR TRANSGENDER TO BECOME ENTREPRENEURSIAEME Publication
The study explores the reasons for a transgender to become entrepreneurs. In this study transgender entrepreneur was taken as independent variable and reasons to become as dependent variable. Data were collected through a structured questionnaire containing a five point Likert Scale. The study examined the data of 30 transgender entrepreneurs in Salem Municipal Corporation of Tamil Nadu State, India. Simple Random sampling technique was used. Garrett Ranking Technique (Percentile Position, Mean Scores) was used as the analysis for the present study to identify the top 13 stimulus factors for establishment of trans entrepreneurial venture. Economic advancement of a nation is governed upon the upshot of a resolute entrepreneurial doings. The conception of entrepreneurship has stretched and materialized to the socially deflated uncharted sections of transgender community. Presently transgenders have smashed their stereotypes and are making recent headlines of achievements in various fields of our Indian society. The trans-community is gradually being observed in a new light and has been trying to achieve prospective growth in entrepreneurship. The findings of the research revealed that the optimistic changes are taking place to change affirmative societal outlook of the transgender for entrepreneurial ventureship. It also laid emphasis on other transgenders to renovate their traditional living. The paper also highlights that legislators, supervisory body should endorse an impartial canons and reforms in Tamil Nadu Transgender Welfare Board Association.
BROAD UNEXPOSED SKILLS OF TRANSGENDER ENTREPRENEURSIAEME Publication
Since ages gender difference is always a debatable theme whether caused by nature, evolution or environment. The birth of a transgender is dreadful not only for the child but also for their parents. The pain of living in the wrong physique and treated as second class victimized citizen is outrageous and fully harboured with vicious baseless negative scruples. For so long, social exclusion had perpetuated inequality and deprivation experiencing ingrained malign stigma and besieged victims of crime or violence across their life spans. They are pushed into the murky way of life with a source of eternal disgust, bereft sexual potency and perennial fear. Although they are highly visible but very little is known about them. The common public needs to comprehend the ravaged arrogance on these insensitive souls and assist in integrating them into the mainstream by offering equal opportunity, treat with humanity and respect their dignity. Entrepreneurship in the current age is endorsing the gender fairness movement. Unstable careers and economic inadequacy had inclined one of the gender variant people called Transgender to become entrepreneurs. These tiny budding entrepreneurs resulted in economic transition by means of employment, free from the clutches of stereotype jobs, raised standard of living and handful of financial empowerment. Besides all these inhibitions, they were able to witness a platform for skill set development that ignited them to enter into entrepreneurial domain. This paper epitomizes skill sets involved in trans-entrepreneurs of Thoothukudi Municipal Corporation of Tamil Nadu State and is a groundbreaking determination to sightsee various skills incorporated and the impact on entrepreneurship.
DETERMINANTS AFFECTING THE USER'S INTENTION TO USE MOBILE BANKING APPLICATIONSIAEME Publication
The banking and financial services industries are experiencing increased technology penetration. Among them, the banking industry has made technological advancements to better serve the general populace. The economy focused on transforming the banking sector's system into a cashless, paperless, and faceless one. The researcher wants to evaluate the user's intention for utilising a mobile banking application. The study also examines the variables affecting the user's behaviour intention when selecting specific applications for financial transactions. The researcher employed a well-structured questionnaire and a descriptive study methodology to gather the respondents' primary data utilising the snowball sampling technique. The study includes variables like performance expectations, effort expectations, social impact, enabling circumstances, and perceived risk. Each of the aforementioned variables has a major impact on how users utilise mobile banking applications. The outcome will assist the service provider in comprehending the user's history with mobile banking applications.
ANALYSE THE USER PREDILECTION ON GPAY AND PHONEPE FOR DIGITAL TRANSACTIONSIAEME Publication
Technology upgradation in banking sector took the economy to view that payment mode towards online transactions using mobile applications. This system enabled connectivity between banks, Merchant and user in a convenient mode. there are various applications used for online transactions such as Google pay, Paytm, freecharge, mobikiwi, oxygen, phonepe and so on and it also includes mobile banking applications. The study aimed at evaluating the predilection of the user in adopting digital transaction. The study is descriptive in nature. The researcher used random sample techniques to collect the data. The findings reveal that mobile applications differ with the quality of service rendered by Gpay and Phonepe. The researcher suggest the Phonepe application should focus on implementing the application should be user friendly interface and Gpay on motivating the users to feel the importance of request for money and modes of payments in the application.
VOICE BASED ATM FOR VISUALLY IMPAIRED USING ARDUINOIAEME Publication
The prototype of a voice-based ATM for visually impaired using Arduino is to help people who are blind. This uses RFID cards which contain users fingerprint encrypted on it and interacts with the users through voice commands. ATM operates when sensor detects the presence of one person in the cabin. After scanning the RFID card, it will ask to select the mode like –normal or blind. User can select the respective mode through voice input, if blind mode is selected the balance check or cash withdraw can be done through voice input. Normal mode procedure is same as the existing ATM.
IMPACT OF EMOTIONAL INTELLIGENCE ON HUMAN RESOURCE MANAGEMENT PRACTICES AMONG...IAEME Publication
There is increasing acceptability of emotional intelligence as a major factor in personality assessment and effective human resource management. Emotional intelligence as the ability to build capacity, empathize, co-operate, motivate and develop others cannot be divorced from both effective performance and human resource management systems. The human person is crucial in defining organizational leadership and fortunes in terms of challenges and opportunities and walking across both multinational and bilateral relationships. The growing complexity of the business world requires a great deal of self-confidence, integrity, communication, conflict and diversity management to keep the global enterprise within the paths of productivity and sustainability. Using the exploratory research design and 255 participants the result of this original study indicates strong positive correlation between emotional intelligence and effective human resource management. The paper offers suggestions on further studies between emotional intelligence and human capital development and recommends for conflict management as an integral part of effective human resource management.
VISUALISING AGING PARENTS & THEIR CLOSE CARERS LIFE JOURNEY IN AGING ECONOMYIAEME Publication
Our life journey, in general, is closely defined by the way we understand the meaning of why we coexist and deal with its challenges. As we develop the "inspiration economy", we could say that nearly all of the challenges we have faced are opportunities that help us to discover the rest of our journey. In this note paper, we explore how being faced with the opportunity of being a close carer for an aging parent with dementia brought intangible discoveries that changed our insight of the meaning of the rest of our life journey.
A STUDY ON THE IMPACT OF ORGANIZATIONAL CULTURE ON THE EFFECTIVENESS OF PERFO...IAEME Publication
The main objective of this study is to analyze the impact of aspects of Organizational Culture on the Effectiveness of the Performance Management System (PMS) in the Health Care Organization at Thanjavur. Organizational Culture and PMS play a crucial role in present-day organizations in achieving their objectives. PMS needs employees’ cooperation to achieve its intended objectives. Employees' cooperation depends upon the organization’s culture. The present study uses exploratory research to examine the relationship between the Organization's culture and the Effectiveness of the Performance Management System. The study uses a Structured Questionnaire to collect the primary data. For this study, Thirty-six non-clinical employees were selected from twelve randomly selected Health Care organizations at Thanjavur. Thirty-two fully completed questionnaires were received.
Living in 21st century in itself reminds all of us the necessity of police and its administration. As more and more we are entering into the modern society and culture, the more we require the services of the so called ‘Khaki Worthy’ men i.e., the police personnel. Whether we talk of Indian police or the other nation’s police, they all have the same recognition as they have in India. But as already mentioned, their services and requirements are different after the like 26th November, 2008 incidents, where they without saving their own lives has sacrificed themselves without any hitch and without caring about their respective family members and wards. In other words, they are like our heroes and mentors who can guide us from the darkness of fear, militancy, corruption and other dark sides of life and so on. Now the question arises, if Gandhi would have been alive today, what would have been his reaction/opinion to the police and its functioning? Would he have some thing different in his mind now what he had been in his mind before the partition or would he be going to start some Satyagraha in the form of some improvement in the functioning of the police administration? Really these questions or rather night mares can come to any one’s mind, when there is too much confusion is prevailing in our minds, when there is too much corruption in the society and when the polices working is also in the questioning because of one or the other case throughout the India. It is matter of great concern that we have to thing over our administration and our practical approach because the police personals are also like us, they are part and parcel of our society and among one of us, so why we all are pin pointing towards them.
A STUDY ON TALENT MANAGEMENT AND ITS IMPACT ON EMPLOYEE RETENTION IN SELECTED...IAEME Publication
The goal of this study was to see how talent management affected employee retention in the selected IT organizations in Chennai. The fundamental issue was the difficulty to attract, hire, and retain talented personnel who perform well and the gap between supply and demand of talent acquisition and retaining them within the firms. The study's main goals were to determine the impact of talent management on employee retention in IT companies in Chennai, investigate talent management strategies that IT companies could use to improve talent acquisition, performance management, career planning and formulate retention strategies that the IT firms could use. The respondents were given a structured close-ended questionnaire with the 5 Point Likert Scale as part of the study's quantitative research design. The target population consisted of 289 IT professionals. The questionnaires were distributed and collected by the researcher directly. The Statistical Package for Social Sciences (SPSS) was used to collect and analyse the questionnaire responses. Hypotheses that were formulated for the various areas of the study were tested using a variety of statistical tests. The key findings of the study suggested that talent management had an impact on employee retention. The studies also found that there is a clear link between the implementation of talent management and retention measures. Management should provide enough training and development for employees, clarify job responsibilities, provide adequate remuneration packages, and recognise employees for exceptional performance.
ATTRITION IN THE IT INDUSTRY DURING COVID-19 PANDEMIC: LINKING EMOTIONAL INTE...IAEME Publication
Globally, Millions of dollars were spent by the organizations for employing skilled Information Technology (IT) professionals. It is costly to replace unskilled employees with IT professionals possessing technical skills and competencies that aid in interconnecting the business processes. The organization’s employment tactics were forced to alter by globalization along with technological innovations as they consistently diminish to remain lean, outsource to concentrate on core competencies along with restructuring/reallocate personnel to gather efficiency. As other jobs, organizations or professions have become reasonably more appropriate in a shifting employment landscape, the above alterations trigger both involuntary as well as voluntary turnover. The employee view on jobs is also afflicted by the COVID-19 pandemic along with the employee-driven labour market. So, having effective strategies is necessary to tackle the withdrawal rate of employees. By associating Emotional Intelligence (EI) along with Talent Management (TM) in the IT industry, the rise in attrition rate was analyzed in this study. Only 303 respondents were collected out of 350 participants to whom questionnaires were distributed. From the employees of IT organizations located in Bangalore (India), the data were congregated. A simple random sampling methodology was employed to congregate data as of the respondents. Generating the hypothesis along with testing is eventuated. The effect of EI and TM along with regression analysis between TM and EI was analyzed. The outcomes indicated that employee and Organizational Performance (OP) were elevated by effective EI along with TM.
INFLUENCE OF TALENT MANAGEMENT PRACTICES ON ORGANIZATIONAL PERFORMANCE A STUD...IAEME Publication
By implementing talent management strategy, organizations would have the option to retain their skilled professionals while additionally working on their overall performance. It is the course of appropriately utilizing the ideal individuals, setting them up for future top positions, exploring and dealing with their performance, and holding them back from leaving the organization. It is employee performance that determines the success of every organization. The firm quickly obtains an upper hand over its rivals in the event that its employees having particular skills that cannot be duplicated by the competitors. Thus, firms are centred on creating successful talent management practices and processes to deal with the unique human resources. Firms are additionally endeavouring to keep their top/key staff since on the off chance that they leave; the whole store of information leaves the firm's hands. The study's objective was to determine the impact of talent management on organizational performance among the selected IT organizations in Chennai. The study recommends that talent management limitedly affects performance. On the off chance that this talent is appropriately management and implemented properly, organizations might benefit as much as possible from their maintained assets to support development and productivity, both monetarily and non-monetarily.
A STUDY OF VARIOUS TYPES OF LOANS OF SELECTED PUBLIC AND PRIVATE SECTOR BANKS...IAEME Publication
Banking regulations act of India, 1949 defines banking as “acceptance of deposits for the purpose of lending or investment from the public, repayment on demand or otherwise and withdrawable through cheques, drafts order or otherwise”, the major participants of the Indian financial system are commercial banks, the financial institution encompassing term lending institutions. Investments institutions, specialized financial institution and the state level development banks, non banking financial companies (NBFC) and other market intermediaries such has the stock brokers and money lenders are among the oldest of the certain variants of NBFC and the oldest market participants. The asset quality of banks is one of the most important indicators of their financial health. The Indian banking sector has been facing severe problems of increasing Non- Performing Assets (NPAs). The NPAs growth directly and indirectly affects the quality of assets and profitability of banks. It also shows the efficiency of banks credit risk management and the recovery effectiveness. NPA do not generate any income, whereas, the bank is required to make provisions for such as assets that why is a double edge weapon. This paper outlines the concept of quality of bank loans of different types like Housing, Agriculture and MSME loans in state Haryana of selected public and private sector banks. This study is highlighting problems associated with the role of commercial bank in financing Small and Medium Scale Enterprises (SME). The overall objective of the research was to assess the effect of the financing provisions existing for the setting up and operations of MSMEs in the country and to generate recommendations for more robust financing mechanisms for successful operation of the MSMEs, in turn understanding the impact of MSME loans on financial institutions due to NPA. There are many research conducted on the topic of Non- Performing Assets (NPA) Management, concerning particular bank, comparative study of public and private banks etc. In this paper the researcher is considering the aggregate data of selected public sector and private sector banks and attempts to compare the NPA of Housing, Agriculture and MSME loans in state Haryana of public and private sector banks. The tools used in the study are average and Anova test and variance. The findings reveal that NPA is common problem for both public and private sector banks and is associated with all types of loans either that is housing loans, agriculture loans and loans to SMES. NPAs of both public and private sector banks show the increasing trend. In 2010-11 GNPA of public and private sector were at same level it was 2% but after 2010-11 it increased in many fold and at present there is GNPA in some more than 15%. It shows the dark area of Indian banking sector.
EXPERIMENTAL STUDY OF MECHANICAL AND TRIBOLOGICAL RELATION OF NYLON/BaSO4 POL...IAEME Publication
An experiment conducted in this study found that BaSO4 changed Nylon 6's mechanical properties. By changing the weight ratios, BaSO4 was used to make Nylon 6. This Researcher looked into how hard Nylon-6/BaSO4 composites are and how well they wear. Experiments were done based on Taguchi design L9. Nylon-6/BaSO4 composites can be tested for their hardness number using a Rockwell hardness testing apparatus. On Nylon/BaSO4, the wear behavior was measured by a wear monitor, pinon-disc friction by varying reinforcement, sliding speed, and sliding distance, and the microstructure of the crack surfaces was observed by SEM. This study provides significant contributions to ultimate strength by increasing BaSO4 content up to 16% in the composites, and sliding speed contributes 72.45% to the wear rate
ROLE OF SOCIAL ENTREPRENEURSHIP IN RURAL DEVELOPMENT OF INDIA - PROBLEMS AND ...IAEME Publication
The majority of the population in India lives in villages. The village is the back bone of the country. Village or rural industries play an important role in the national economy, particularly in the rural development. Developing the rural economy is one of the key indicators towards a country’s success. Whether it be the need to look after the welfare of the farmers or invest in rural infrastructure, Governments have to ensure that rural development isn’t compromised. The economic development of our country largely depends on the progress of rural areas and the standard of living of rural masses. Village or rural industries play an important role in the national economy, particularly in the rural development. Rural entrepreneurship is based on stimulating local entrepreneurial talent and the subsequent growth of indigenous enterprises. It recognizes opportunity in the rural areas and accelerates a unique blend of resources either inside or outside of agriculture. Rural entrepreneurship brings an economic value to the rural sector by creating new methods of production, new markets, new products and generate employment opportunities thereby ensuring continuous rural development. Social Entrepreneurship has the direct and primary objective of serving the society along with the earning profits. So, social entrepreneurship is different from the economic entrepreneurship as its basic objective is not to earn profits but for providing innovative solutions to meet the society needs which are not taken care by majority of the entrepreneurs as they are in the business for profit making as a sole objective. So, the Social Entrepreneurs have the huge growth potential particularly in the developing countries like India where we have huge societal disparities in terms of the financial positions of the population. Still 22 percent of the Indian population is below the poverty line and also there is disparity among the rural & urban population in terms of families living under BPL. 25.7 percent of the rural population & 13.7 percent of the urban population is under BPL which clearly shows the disparity of the poor people in the rural and urban areas. The need to develop social entrepreneurship in agriculture is dictated by a large number of social problems. Such problems include low living standards, unemployment, and social tension. The reasons that led to the emergence of the practice of social entrepreneurship are the above factors. The research problem lays upon disclosing the importance of role of social entrepreneurship in rural development of India. The paper the tendencies of social entrepreneurship in India, to present successful examples of such business for providing recommendations how to improve situation in rural areas in terms of social entrepreneurship development. Indian government has made some steps towards development of social enterprises, social entrepreneurship, and social in- novation, but a lot remains to be improved.
OPTIMAL RECONFIGURATION OF POWER DISTRIBUTION RADIAL NETWORK USING HYBRID MET...IAEME Publication
Distribution system is a critical link between the electric power distributor and the consumers. Most of the distribution networks commonly used by the electric utility is the radial distribution network. However in this type of network, it has technical issues such as enormous power losses which affect the quality of the supply. Nowadays, the introduction of Distributed Generation (DG) units in the system help improve and support the voltage profile of the network as well as the performance of the system components through power loss mitigation. In this study network reconfiguration was done using two meta-heuristic algorithms Particle Swarm Optimization and Gravitational Search Algorithm (PSO-GSA) to enhance power quality and voltage profile in the system when simultaneously applied with the DG units. Backward/Forward Sweep Method was used in the load flow analysis and simulated using the MATLAB program. Five cases were considered in the Reconfiguration based on the contribution of DG units. The proposed method was tested using IEEE 33 bus system. Based on the results, there was a voltage profile improvement in the system from 0.9038 p.u. to 0.9594 p.u.. The integration of DG in the network also reduced power losses from 210.98 kW to 69.3963 kW. Simulated results are drawn to show the performance of each case.
APPLICATION OF FRUGAL APPROACH FOR PRODUCTIVITY IMPROVEMENT - A CASE STUDY OF...IAEME Publication
Manufacturing industries have witnessed an outburst in productivity. For productivity improvement manufacturing industries are taking various initiatives by using lean tools and techniques. However, in different manufacturing industries, frugal approach is applied in product design and services as a tool for improvement. Frugal approach contributed to prove less is more and seems indirectly contributing to improve productivity. Hence, there is need to understand status of frugal approach application in manufacturing industries. All manufacturing industries are trying hard and putting continuous efforts for competitive existence. For productivity improvements, manufacturing industries are coming up with different effective and efficient solutions in manufacturing processes and operations. To overcome current challenges, manufacturing industries have started using frugal approach in product design and services. For this study, methodology adopted with both primary and secondary sources of data. For primary source interview and observation technique is used and for secondary source review has done based on available literatures in website, printed magazines, manual etc. An attempt has made for understanding application of frugal approach with the study of manufacturing industry project. Manufacturing industry selected for this project study is Mahindra and Mahindra Ltd. This paper will help researcher to find the connections between the two concepts productivity improvement and frugal approach. This paper will help to understand significance of frugal approach for productivity improvement in manufacturing industry. This will also help to understand current scenario of frugal approach in manufacturing industry. In manufacturing industries various process are involved to deliver the final product. In the process of converting input in to output through manufacturing process productivity plays very critical role. Hence this study will help to evolve status of frugal approach in productivity improvement programme. The notion of frugal can be viewed as an approach towards productivity improvement in manufacturing industries.
A MULTIPLE – CHANNEL QUEUING MODELS ON FUZZY ENVIRONMENTIAEME Publication
In this paper, we investigated a queuing model of fuzzy environment-based a multiple channel queuing model (M/M/C) ( /FCFS) and study its performance under realistic conditions. It applies a nonagonal fuzzy number to analyse the relevant performance of a multiple channel queuing model (M/M/C) ( /FCFS). Based on the sub interval average ranking method for nonagonal fuzzy number, we convert fuzzy number to crisp one. Numerical results reveal that the efficiency of this method. Intuitively, the fuzzy environment adapts well to a multiple channel queuing models (M/M/C) ( /FCFS) are very well.