Gpsr2
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GPSR is a greedy, stateless routing protocol for wireless networks that uses geographic positioning to route packets. It uses greedy forwarding to route packets hop-by-hop to the neighbor node closest to the destination. When greedy forwarding gets stuck in local maxima, it uses perimeter forwarding to recover by routing around the perimeter of the void area.
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Wireless mesh networks (WMNs) are attractive as a new communication paradigm. Ad hoc routing protocols for WMNs are classified into: (1) proactive, (2) reactive, and (3) hybrid approaches. In general, proactive routing is more suitable for a stationary network, while reactive routing is better for a mobile network with a high mobility. In many applications, a node in WMN is mobile but it can fluctuate between being mobile. Wireless mesh networks is an emergent research area, which is becoming important due to the growing amount of nodes in a network.
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T HE I MPACT OF TCP C ONGESTION W INDOW S IZE ON THE P ERFORMANCE E VA...
A mobile ad hoc network (MANET) is a temporary coll
ection of mobile nodes randomly moved within a
limited terrain area. The nodes are connected to fo
rm a wireless network without use any communication
infrastructure. Because of the limiting resources o
f MANET nodes, multiple hops
scheme is proposed for
data exchange
across the network. Varieties of mobile ad hoc rout
ing protocols have been developed to
support the multi-hop scheme of ad hoc networks. A
popular Transmission Control Protocol (TCP)
provides a reliable connection in a computer networ
k environment; it sets its congestion window size i
n
response to the behavior of the network to achieve
the best performance. This work aims to investigate
and
compare the MANET protocol
performance, such as DSDV, AODV and DSR in terms of
network
throughput, average routing load, the packet delive
ry ratio (PDR), and average end-to-end delay by
varying the maximum congestion window size. Our si
mulation has been implemented using a well-known
NS-2.35 network simulator. The simulated results sh
ow that the demonstrates of the concepts of MANET
routing protocols with respect to TCP congestion wi
ndow size in MANET environment
Md3421762181
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
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In MANET, the mobiles nodes are connected dynamically with the help of wireless links without
having a fixed infrastructure or centralized administration. These nodes move freely and organize
themselves arbitrarily thus change the network topology rapidly and unpredictably. As a result, there exits
frequent link breakages which leads to path failures and route discoveries. The route discovery can lead to
overhead which cannot be neglected. Therefore, the fundamental challenge of MANET is to develop a
dynamic routing protocol that efficiently establish routes to deliver the packets with minimum overhead,
high throughput and low end to end delay. In order to handle overhead issues, the proposed system has
presented a novel scheme rebroadcast delay and a rebroadcast probability which will help to reduce the
number of retransmissions thereby improving routing performance. In addition, the proposed system is
compared with existing routing protocol AODV in terms of packet delivery ratio, packet loss and end to
end delayPERFORMANCE ANALYSIS OF OLSR PROTOCOL IN MANET CONSIDERING DIFFERENT MOBILITY...
A Mobile Ad Hoc Network (MANET) is created when an independent mobile node network is connected
dynamically via wireless links. MANET is a self-organizing network that does not rely on pre-existing
infrastructure such as wired or wireless network routers. Mobile nodes in this network move randomly,
thus, the topology is always changing. Routing protocols in MANET are critical in ensuring dependable
and consistent connectivity between the mobile nodes. They conclude logically based on the interaction
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and destination. Routing protocols are classified as proactive, reactive, or hybrid. The focus of this project
will be on Optimized Link State Routing (OLSR) protocol, a proactive routing technique. OLSR is known as
the optimized variant of link state routing in which packets are sent throughout the network using the
multipoint relay (MPR) mechanism. This article evaluates the performance of the OLSR routing protocol
under condition of changing mobility speed and network density. The study's performance indicators are
average packet throughput, packet delivery ratio (PDR), and average packet latency. Network Simulator 2
(NS-2) and an external patch UM-OLSR are used to simulate and evaluate the performance of such
protocol. As a result of research, the approach of implementing the MPR mechanism are able to minimise
redundant data transmission during the normal message broadcast. The MPRs enhance the link state
protocols’ traditional diffusion mechanism by selecting the right MPRs. Hence, the number of undesired
broadcasts can be reduced and limited. Further research will focus on different scenario and environment
using different mobility model
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Destination Aware APU Strategy for Geographic Routing in MANET
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network In Adaptive Position Update strategy, there are two techniques: Mobility prediction rule and On-demand learning rule. Proposed
system is based on the destination aware routing in which path to transfer the data over the network is based on the distance from highly
stable node to the destination node. Results of the proposed system are compared with Periodic Beaconing on the basis of packet delivery
ratio, beacon overhead, energy consumption. Experiment results show a high improvement in results on the parameters energy
consumption, packet delivery ratio and beacon overhead. Proposed work is implemented on the NS2 (Network Simulator) Environment
to perform experiments.
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One fundamental problem of WMNs with a limited number of radio interfaces and orthogonal channels is that the performance degrades significantly as the network size grows. This results from increased interference between nodes and diminished spatial reuse over the network. A WMN node needs to share a common channel with each of its neighbours in the communication range, requiring it to set up a virtual link. Moreover, to reduce network interference, a node should minimize the number of neighbours that it shares a common channel with. The objective of a channel assignment strategy is to ensure efficient utilization of the available channels (e.g., by minimizing interference) while maximizing connectivity in the network. However, since these two requirements are conflicting with each other, the goal is to achieve a balance between these two. The major constraints which need to be satisfied by a channel assignment scheme include fixed number of channels in the network, limited number of radios in mesh nodes, common channel between two communicating nodes, and limited channel capacity. Also, a channel assignment scheme should take the amount of traffic load supported by each mesh node into consideration.
OLSR | Optimized Link State Routing Protocol
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Contents which are covered here:
Classification of Ad-Hoc Routing Protocol
Link State Routing
Problems of Link State Routing
Optimized Link State Routing Protocol
1 Hop and 2 Hop Neighbors
Hello Packet
MPR Selection
Topology Table
MPR Information Declaration
*** Animated figure/diagram might not be visible in PDF view. Please consider it. ***
OLSR Model, OLSR Protocol, Optimized Link-State Routing Protocol
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Opportunistic Data Forwarding in Manet
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Routing protocols in ad hoc network
This ppt describes about the Different protocols of Ad-Hoc Network .It is a pure survey report which will make clarification about each protocols used in ad-hoc network and helps to future generation to make more publishing of recent trends of ad-hoc networks.
CSGR(cluster switch gateway routing)
Cluster Switch Gateway Routing is a Table Driven approach protocol in ad hoc network.
ANALYSIS OF PROACTIVE AND REACTIVE MANET ROUTING PROTOCOLS UNDER SELECTED TCP...
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Influence of Clustering on the Performance of MobileAd Hoc Networks (MANETs)
Clustering is an important research area for mobile ad hoc networks (MANETs) as it increases the capacity of network, reduces the routing overhead and makes the network more scalable in the presence of both high mobility and a large number of mobile nodes. Routing protocols based on flat topology are not scalable because of their built-in characteristics. However, clustering cause overhead which consumes considerable bandwidth, drain mobile nodes energy quickly, likely cause congestion, collision and data delay in larger networks. This paper uses an implementation of the Dynamic Source Routing (DSR), an flat architecture based and the Cluster Based Routing Protocol (CBRP), a cluster architecture based routing protocol to examine the influence of clustering on the performance of mobile ad hoc networks. This paper evaluates channel utilization and control overhead as a function of number of nodes per sq. km to show the effect of clustering. Simulation results show that in high mobility scenarios, CBRP outperforms DSR. CBRP scales well with increasing number of nodes.
T HE I MPACT OF TCP C ONGESTION W INDOW S IZE ON THE P ERFORMANCE E VA...
A mobile ad hoc network (MANET) is a temporary coll
ection of mobile nodes randomly moved within a
limited terrain area. The nodes are connected to fo
rm a wireless network without use any communication
infrastructure. Because of the limiting resources o
f MANET nodes, multiple hops
scheme is proposed for
data exchange
across the network. Varieties of mobile ad hoc rout
ing protocols have been developed to
support the multi-hop scheme of ad hoc networks. A
popular Transmission Control Protocol (TCP)
provides a reliable connection in a computer networ
k environment; it sets its congestion window size i
n
response to the behavior of the network to achieve
the best performance. This work aims to investigate
and
compare the MANET protocol
performance, such as DSDV, AODV and DSR in terms of
network
throughput, average routing load, the packet delive
ry ratio (PDR), and average end-to-end delay by
varying the maximum congestion window size. Our si
mulation has been implemented using a well-known
NS-2.35 network simulator. The simulated results sh
ow that the demonstrates of the concepts of MANET
routing protocols with respect to TCP congestion wi
ndow size in MANET environment
Md3421762181
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
[IJCT-V3I2P22] Authors: Shraddha Dabhade, Shilpa Verma
[IJCT-V3I2P22] Authors: Shraddha Dabhade, Shilpa VermaIJET - International Journal of Engineering and Techniques
In MANET, the mobiles nodes are connected dynamically with the help of wireless links without
having a fixed infrastructure or centralized administration. These nodes move freely and organize
themselves arbitrarily thus change the network topology rapidly and unpredictably. As a result, there exits
frequent link breakages which leads to path failures and route discoveries. The route discovery can lead to
overhead which cannot be neglected. Therefore, the fundamental challenge of MANET is to develop a
dynamic routing protocol that efficiently establish routes to deliver the packets with minimum overhead,
high throughput and low end to end delay. In order to handle overhead issues, the proposed system has
presented a novel scheme rebroadcast delay and a rebroadcast probability which will help to reduce the
number of retransmissions thereby improving routing performance. In addition, the proposed system is
compared with existing routing protocol AODV in terms of packet delivery ratio, packet loss and end to
end delayPERFORMANCE ANALYSIS OF OLSR PROTOCOL IN MANET CONSIDERING DIFFERENT MOBILITY...
A Mobile Ad Hoc Network (MANET) is created when an independent mobile node network is connected
dynamically via wireless links. MANET is a self-organizing network that does not rely on pre-existing
infrastructure such as wired or wireless network routers. Mobile nodes in this network move randomly,
thus, the topology is always changing. Routing protocols in MANET are critical in ensuring dependable
and consistent connectivity between the mobile nodes. They conclude logically based on the interaction
between mobile nodes in MANET routing and encourage them to choose the optimum path between source
and destination. Routing protocols are classified as proactive, reactive, or hybrid. The focus of this project
will be on Optimized Link State Routing (OLSR) protocol, a proactive routing technique. OLSR is known as
the optimized variant of link state routing in which packets are sent throughout the network using the
multipoint relay (MPR) mechanism. This article evaluates the performance of the OLSR routing protocol
under condition of changing mobility speed and network density. The study's performance indicators are
average packet throughput, packet delivery ratio (PDR), and average packet latency. Network Simulator 2
(NS-2) and an external patch UM-OLSR are used to simulate and evaluate the performance of such
protocol. As a result of research, the approach of implementing the MPR mechanism are able to minimise
redundant data transmission during the normal message broadcast. The MPRs enhance the link state
protocols’ traditional diffusion mechanism by selecting the right MPRs. Hence, the number of undesired
broadcasts can be reduced and limited. Further research will focus on different scenario and environment
using different mobility model
MANET Routing Protocols , a case study
L. Yi, Y. Zhai, Y. Wang, J. Yuan and I. You , Impacts of Internal Network Contexts on Performance of MANET Routing Protocols: a Case Study, Sixth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing,2012.
Destination Aware APU Strategy for Geographic Routing in MANET
In this paper, we have explained the Enhanced Adaptive Position Update strategy for geographic routing in mobile ad hoc
network In Adaptive Position Update strategy, there are two techniques: Mobility prediction rule and On-demand learning rule. Proposed
system is based on the destination aware routing in which path to transfer the data over the network is based on the distance from highly
stable node to the destination node. Results of the proposed system are compared with Periodic Beaconing on the basis of packet delivery
ratio, beacon overhead, energy consumption. Experiment results show a high improvement in results on the parameters energy
consumption, packet delivery ratio and beacon overhead. Proposed work is implemented on the NS2 (Network Simulator) Environment
to perform experiments.
A Survey of Various Routing and Channel Assignment Strategies for MR-MC WMNs
One fundamental problem of WMNs with a limited number of radio interfaces and orthogonal channels is that the performance degrades significantly as the network size grows. This results from increased interference between nodes and diminished spatial reuse over the network. A WMN node needs to share a common channel with each of its neighbours in the communication range, requiring it to set up a virtual link. Moreover, to reduce network interference, a node should minimize the number of neighbours that it shares a common channel with. The objective of a channel assignment strategy is to ensure efficient utilization of the available channels (e.g., by minimizing interference) while maximizing connectivity in the network. However, since these two requirements are conflicting with each other, the goal is to achieve a balance between these two. The major constraints which need to be satisfied by a channel assignment scheme include fixed number of channels in the network, limited number of radios in mesh nodes, common channel between two communicating nodes, and limited channel capacity. Also, a channel assignment scheme should take the amount of traffic load supported by each mesh node into consideration.
OLSR | Optimized Link State Routing Protocol
The Optimized Link State Routing Protocol (OLSR) is an IP routing protocol optimized for mobile ad hoc networks, which can also be used on other wireless ad hoc networks. OLSR uses hello and topology control (TC) messages to discover and then disseminate link state information throughout the mobile ad hoc network.
Contents which are covered here:
Classification of Ad-Hoc Routing Protocol
Link State Routing
Problems of Link State Routing
Optimized Link State Routing Protocol
1 Hop and 2 Hop Neighbors
Hello Packet
MPR Selection
Topology Table
MPR Information Declaration
*** Animated figure/diagram might not be visible in PDF view. Please consider it. ***
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without the use of fixed-position routers. The communication between them takes place without
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the packet in significant delay. There are different protocols for handling the mobile environment like
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Everything I found interesting about the Elixir programming ecosystem in May 2024
By Design, not by Accident - Agile Venture Bolzano 2024
As presented at the Agile Venture Bolzano, 4.06.2024
Epistemic Interaction - tuning interfaces to provide information for AI support
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
Securing your Kubernetes cluster_ a step-by-step guide to success !
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
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Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank
Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.
DevOps and Testing slides at DASA Connect
My and Rik Marselis slides at 30.5.2024 DASA Connect conference. We discuss about what is testing, then what is agile testing and finally what is Testing in DevOps. Finally we had lovely workshop with the participants trying to find out different ways to think about quality and testing in different parts of the DevOps infinity loop.
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Rapid and secure feature delivery is a goal across every application team and every branch of the DoD. The Navy’s DevSecOps platform, Party Barge, has achieved:
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Why You Should Replace Windows 11 with Nitrux Linux 3.5.0 for enhanced perfor...
The choice of an operating system plays a pivotal role in shaping our computing experience. For decades, Microsoft's Windows has dominated the market, offering a familiar and widely adopted platform for personal and professional use. However, as technological advancements continue to push the boundaries of innovation, alternative operating systems have emerged, challenging the status quo and offering users a fresh perspective on computing.
One such alternative that has garnered significant attention and acclaim is Nitrux Linux 3.5.0, a sleek, powerful, and user-friendly Linux distribution that promises to redefine the way we interact with our devices. With its focus on performance, security, and customization, Nitrux Linux presents a compelling case for those seeking to break free from the constraints of proprietary software and embrace the freedom and flexibility of open-source computing.
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Gpsr2
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- 27. Planarized Graphs Relative Neighborhood Graph (RNG)
- 29. Planarized Graphs Gabriel Graph (GG)
- 33. Combining Greedy and Planar Perimeters
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