Wireless ns2 Projects
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SIGNIFICANT COMMANDS IN NS2 PROJECTS GENERAL NETWORKING FIELDS IN NS2 UTMOST CONCEPTS IN WIRELESS NS2
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![set agent [new
Agent/UDP]
Create new
TCP Source
Agent
$node_(0) set
X, set Y, set Z
Sets nodes X,
Y and Z co
ordinates
Set topo [new
Topography]
Creates and
configure
topography
Create-god
$par(nn)
Creates GOD
(General Operations
Director)
$ns node-
config
Used to specify
nodes configuration
parameters
Let us discuss about the some important NS2 Commands based on the wireless projects,
SIGNIFICANT COMMANDS IN NS2 PROJECTS
1 2 3 4 5](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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This document discusses network attacks in mobile ad hoc and wireless sensor networks that are relevant for PhD thesis projects using the NS2 simulator. It lists important MANET attacks like flooding, packet dropping, wormhole, black hole, and Sybil attacks. For WSN networks, it notes active attacks, DOS attacks, security attacks, sink hole attacks, and worm hole attacks are significant. Guidelines for PhD thesis writing using NS2 projects are provided, including avoiding chronological writing, using active voice, and clarity of diagrams. Contact details are given for the website that provides resources on thesis topics.
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Link Capacity Estimation in SDN-based End-hosts
Software Defined Networking (SDN) is a new
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In our work, we explore the use of SDN for the control of
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software switch (OVS) to load balance application traffic across
the multiple available network interfaces. A typical example is
the simultaneous use of Wifi and 4G interfaces on a mobile
device. In order to achieve optimal load balancing, it is critical
to know the capacity of the last-hop links associated with the
different interfaces. In this paper, we explore and adapt active
packet probing mechanisms to the scenario of SDN-based endhost
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Wireless Simulation NS2 Projects
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KEY NOTES ON HANDOVER MECHANISMS
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Sdn future of networks
Traditional Network limitation.
What is SDN and how it was start?
What is openflow protocol?
Business case about SDN.
spins
This document summarizes the SPINS security protocols for sensor networks. It discusses SNEP, a protocol that provides data authentication, integrity and confidentiality with low overhead. SNEP uses counter-based encryption and CBC-MAC. It also discusses μTESLA, a protocol that provides broadcast authentication through delayed key disclosure and requires loose time synchronization. μTESLA uses one-way key chains where keys are disclosed in intervals to allow nodes to authenticate messages. These protocols aim to provide strong security with low overhead suitable for resource constrained sensor networks.
The Role of the Communication Protocols in the IoT: Pitfalls and Advantages
IoT solutions should rely on solid basis in order to provide a step for the future. One of the foundation of building IoT solutions is identifying the appropriate communication protocol to use. Choosing among the different communication protocols may be a challenging task due to the fact that some protocols may be the right fit for one scenario but not necessarily for all.
In this session, we will examine the communication protocols including their pitfalls an advantages and how to choose the right one for your solution.
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The document discusses various SDN initiatives from major networking vendors like Cisco, HP, Juniper, and Brocade. It explains that while the basic concept of SDN involves decoupling the control plane from the data plane, each vendor approaches SDN differently through products like SDN switches and controllers that support varying levels of OpenFlow. The document aims to look beyond the basic definition of SDN to provide more real-world context on the state of SDN adoption.
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The document proposes a Neighbor Coverage based Probabilistic Rebroadcast (NCPR) protocol to reduce routing overhead in mobile ad-hoc networks. NCPR uses two parameters - connectivity factor and additional coverage ratio - to calculate a rebroadcast probability. It modifies the AODV routing protocol by adding a "num_neighbors" field to the RREQ packet header to reduce overhead from broadcasting neighbor lists. Simulation results show that NCPR achieves lower routing overhead compared to simple flooding. Future work could explore implementing NCPR with variable bit rate traffic instead of constant bit rate.
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The document provides an overview of the Network Simulator 2 (NS2). It discusses that NS2 is a discrete event simulator targeted at networking research and education. It allows modeling of both wired and wireless networks. The backend is written in C++ and the frontend is written in OTcl. The document outlines how to download, install, and use NS2 to create network topologies, configure protocols, generate traffic, insert errors, run simulations, and analyze trace files.
MANTE_SEMINAR for IP configuration scheme
This document proposes an Authenticated IP Configuration Scheme (ADIP) for Mobile Ad Hoc Networks (MANETs). In MANETs, nodes communicate over wireless links in a decentralized, dynamic network topology. The ADIP scheme addresses the problem of assigning unique IP addresses without broadcasts by having each node obtain its IP address from a neighboring "proxy" node in an authenticated manner. The proxy node computes a unique IP address for the new node based on its own address to avoid duplicate address detection broadcasts. This localized approach authenticates nodes and assigns IP addresses with low latency in a secure manner without reliance on centralized services or network infrastructure.
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Link Capacity Estimation in SDN-based End-hosts
Software Defined Networking (SDN) is a new
paradigm that facilitates network management and control.
In our work, we explore the use of SDN for the control of
network traffic on end-hosts. In particular, we use an OpenFlow
software switch (OVS) to load balance application traffic across
the multiple available network interfaces. A typical example is
the simultaneous use of Wifi and 4G interfaces on a mobile
device. In order to achieve optimal load balancing, it is critical
to know the capacity of the last-hop links associated with the
different interfaces. In this paper, we explore and adapt active
packet probing mechanisms to the scenario of SDN-based endhost
traffic control, in order to estimate the link capacity. In
particular, we investigate the use of Variable Packet Size (VPS)
probing, and demonstrate its viability via experiments.
SPINS: Security Protocols for Sensor Networks
This document summarizes the SPINS security protocols for sensor networks. It discusses two protocols: SNEP for basic node-to-base station security and μTESLA for authenticated broadcast. SNEP provides data confidentiality through symmetric encryption and data authentication using message authentication codes. μTESLA provides authentication for broadcast messages through disclosure of symmetric keys along a key chain. The document also gives examples of applications these protocols can enable, such as authenticated routing and pairwise key agreement between nodes.
015 spins
The document summarizes SPINS, a set of security protocols for sensor networks proposed by Perrig et al. SPINS includes SNEP for point-to-point data confidentiality, authentication and replay protection, and μTESLA for authenticated broadcast. μTESLA uses one-way key chains and delayed key disclosure to provide authentication with low overhead. SPINS aims to provide security services like data authentication and confidentiality while meeting the constraints of sensor networks, such as limited resources and communication patterns between sensor nodes and base stations.
SPINS: Security Protocols for Sensor Networks
This document summarizes a master's thesis on security protocols for sensor networks. It introduces SPINS, which defines requirements for data confidentiality, authentication, integrity, and freshness. It describes the SNEP, counter-exchanging, and μTESLA protocols. SNEP provides semantic security, authentication, and replay protection with low overhead. Counter-exchanging handles bootstrapping and re-synchronizing counters with nonces. μTESLA allows for authenticated broadcast from a base station to sensor nodes in an efficient way by disclosing authentication keys. The thesis evaluates the implementation and performance of these protocols.
Proposed Lightweight Block Cipher Algorithm for Securing Internet of Things
The presentation of paper is published in The 3rd International Conference on Computing, Communications, and Information Technology 24-25 April 2019, Organized by College of Computer Science and IT, University of Anbar, Ramadi, Iraq
Final report
This document discusses lightweight cryptography techniques for RFID systems with limited resources. It compares the Data Encryption Standard (DES) algorithm and a simplified version called Lightweight DES (DESL). DESL reduces gate complexity by eliminating initial/final permutations and using a single S-box, providing around a 20% reduction in gates compared to DES while maintaining throughput. The document also briefly introduces the Advanced Encryption Standard (AES) algorithm.
Lightweight cryptography
This document discusses lightweight cryptography. It begins by defining lightweight cryptography as cryptographic primitives designed for devices with limited resources like memory, speed and power consumption. It then outlines various lightweight cryptographic mechanisms like block ciphers, hash functions, stream ciphers and authenticated ciphers. For each mechanism, it discusses their desirable properties and design principles. It also discusses implementation issues like decryption costs and resistance to related key attacks. Finally, it mentions the Fair Evaluation of Lightweight Cryptographic Systems (FELICS) benchmarking tool for evaluating and comparing the performance of lightweight cryptographic algorithms on different platforms.
Post quantum cryptography
This document discusses post-quantum cryptography and code-based cryptography as a potential solution. It provides an overview of cryptography, both symmetric and asymmetric, and explains how quantum computers could break many current systems by solving mathematical problems efficiently. Code-based cryptography is introduced as an alternative that does not rely on these vulnerable problems. The McEliece cryptosystem and Staircase code-based schemes are described. The document then outlines a project to implement a random split of Staircase codes to thwart information set decoding attacks, including researching the topic, developing implementations, validating the approach works as intended, and verifying the results against benchmarks. It emphasizes that development should begin now to have solutions ready when needed.
OpenStack SDN
SDN allows programmatic creation and management of networks. Neutron is OpenStack's networking service that uses Open vSwitch and plugins like ML2 with GRE tunneling to abstract logical networks over a physical network. When a packet arrives for a VM, it is encapsulated in a GRE tunnel to the compute node hosting the VM and handed off to the VM via bridges and namespaces that isolate tenant networks.
Wireless Simulation NS2 Projects
ESSENTIAL ALGORITHMS IN NS2 PROJECTS
KEY NOTES ON HANDOVER MECHANISMS
TYPES OF NETWORKING ATTACKS IN NS2
Sdn future of networks
Traditional Network limitation.
What is SDN and how it was start?
What is openflow protocol?
Business case about SDN.
spins
This document summarizes the SPINS security protocols for sensor networks. It discusses SNEP, a protocol that provides data authentication, integrity and confidentiality with low overhead. SNEP uses counter-based encryption and CBC-MAC. It also discusses μTESLA, a protocol that provides broadcast authentication through delayed key disclosure and requires loose time synchronization. μTESLA uses one-way key chains where keys are disclosed in intervals to allow nodes to authenticate messages. These protocols aim to provide strong security with low overhead suitable for resource constrained sensor networks.
The Role of the Communication Protocols in the IoT: Pitfalls and Advantages
IoT solutions should rely on solid basis in order to provide a step for the future. One of the foundation of building IoT solutions is identifying the appropriate communication protocol to use. Choosing among the different communication protocols may be a challenging task due to the fact that some protocols may be the right fit for one scenario but not necessarily for all.
In this session, we will examine the communication protocols including their pitfalls an advantages and how to choose the right one for your solution.
SDN - beyond the obvious
The document discusses various SDN initiatives from major networking vendors like Cisco, HP, Juniper, and Brocade. It explains that while the basic concept of SDN involves decoupling the control plane from the data plane, each vendor approaches SDN differently through products like SDN switches and controllers that support varying levels of OpenFlow. The document aims to look beyond the basic definition of SDN to provide more real-world context on the state of SDN adoption.
High throughput implementations of cryptography algorithms on GPU and FPGA
This document summarizes a seminar presentation on implementing cryptography algorithms with high throughput on GPUs and FPGAs. It introduces tiny encryption algorithm (TEA) and an extended version of TEA (XTEA) as lightweight cryptography algorithms suitable for hardware acceleration. It describes implementing TEA and XTEA on GPUs and FPGAs using cryptographic co-processors and hardware acceleration tools. Results show that FPGAs perform better for smaller plaintext sizes while GPUs achieve higher throughput for larger plaintext sizes.
I mage encryption using rc5
RC5 is a symmetric block cipher algorithm developed by Ronald Rivest. It can encrypt digital images by dividing the image into blocks and encrypting each block using the RC5 algorithm. RC5 is suitable for image encryption because it uses data-dependent rotations, which helps prevent attacks. When encrypting images with RC5, the image is treated as a stream of bits that are encrypted in blocks using the RC5 algorithm and an expanded key. The encrypted image is evaluated based on factors like visual inspection, pixel value deviation, entropy, correlation and avalanche effect to determine the security and effectiveness of the encryption. Evaluation shows RC5 encryption produces images that look random and have high security.
Wireshark
Wireshark is the graphical network protocol analyzer tool.
The ppt covers all the basics which will help you to kick start with wireshark.
Virtualization
This document discusses virtualization and homomorphic encryption in cloud computing. Virtualization allows multiple operating systems to run on the same server at the same time by creating virtual versions. It improves hardware utilization and saves costs. Homomorphic encryption allows computations to be performed on encrypted data without decrypting it first, preserving data privacy. While some encryption schemes allow limited mathematical operations, fully homomorphic encryption remains an area of research.
Preparation gade and idol model for preventing multiple spoofing attackers in...
This document proposes the GADE and IDOL models for detecting and localizing multiple spoofing attackers in wireless networks. GADE uses spatial correlation of received signal strength readings and cluster analysis to detect spoofing attacks and determine the number of attackers. IDOL builds on GADE and uses additional localization algorithms to pinpoint the locations of multiple adversaries. The models were evaluated using both 802.11 and 802.15.4 networks in real office environments, achieving over 90% accuracy in detecting attacks and localizing adversaries. Support vector machines were also used to improve determination of the number of attackers when training data is available.
A neighbor coverage based probabilistic rebroadcast for reducing routing over...
The document proposes a Neighbor Coverage based Probabilistic Rebroadcast (NCPR) protocol to reduce routing overhead in mobile ad-hoc networks. NCPR uses two parameters - connectivity factor and additional coverage ratio - to calculate a rebroadcast probability. It modifies the AODV routing protocol by adding a "num_neighbors" field to the RREQ packet header to reduce overhead from broadcasting neighbor lists. Simulation results show that NCPR achieves lower routing overhead compared to simple flooding. Future work could explore implementing NCPR with variable bit rate traffic instead of constant bit rate.
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Proposed Lightweight Block Cipher Algorithm for Securing Internet of Things
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High throughput implementations of cryptography algorithms on GPU and FPGA
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Wireless adhoc multi access networks
One of the most attractive field for research for researchers and authors so the Wireless adhoc networks.
So, this paper will describe the background and basic features of Open Short Path First (OSPF) routing
protocol due to multi-access networks. Explaining and practice on the OSPF configuration commands.
Describe, modify and calculate the metric (Cost) used by OSPF due to adhoc networks. Illustrating the
Election parameters made by DR/BDR (Designated and Back Designated) Routers used in multi-access
wireless networks. This paper will use OSPF routing protocol because of its average administrative
distance with all routing protocols.
SR-Code: Smart Relay Network Coding for Data Collection for Wireless Sensor N...
Reliability in data collection for wireless sensor networks is one of the major problems in IoT applications. Sensor nodes are usually placed in harsh conditions where data communication is at risk of losing packets. Retransmissions are considered costly in terms of delay and power consumptions, especially that wireless sensor nodes are battery operated. In this context we introduce SR-Code, a novel network coding algorithm that achieves reliability in harsh conditions. SR-Code utilizes the XOR operator to code overheard packets. The targeted network topology is a 2-tier network where data loss can occur in all tiers. SR-Code utilizes bit addresses where each node is identified by a single bit in an address bit vector. Identifying packets and computing the cardinality of coded messages can be easily done using address bit vectors. SR-Code realizes redundancy as a function of overheard packet. SR-Code achieved a reliability factor of 75% when the number of packets lost was 100% of the original (un-coded) packet sent.
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Wireless ns2 Projects
- 2. set agent [new Agent/UDP] Create new TCP Source Agent $node_(0) set X, set Y, set Z Sets nodes X, Y and Z co ordinates Set topo [new Topography] Creates and configure topography Create-god $par(nn) Creates GOD (General Operations Director) $ns node- config Used to specify nodes configuration parameters Let us discuss about the some important NS2 Commands based on the wireless projects, SIGNIFICANT COMMANDS IN NS2 PROJECTS 1 2 3 4 5
- 3. Large scale Boolean in networks Binary infrared sensor network Wireless smart grid networks Wireless- medical sensor in networks Wireless cellular in networks Multi-hop wireless in network GENERAL NETWORKING FIELDS IN NS2 The major networking area in Ns2 wireless projects are highlighted below, 1 2 3 4 5 6
- 4. E-model for QoE assessment of VoIP over IEEE 802.16 networks Eigen trust algorithm for self-organised protocol Energy efficiency and optimal data packet size Multicasting using secure data transmission routing protocol Wireless sensor network traffic for energy latency tradeoff UTMOST CONCEPTS IN WIRELESS NS2 Hereby we have listed down the recent research topics NS2 wireless projects, 1 2 3 4 5