A framework for routing performance analysis in delay tolerant networks with application to noncooperative networks
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sensor networks consisting of sensing, data processing, and communication components. There is frequent
occurrence of congested links in such a network as wireless links inherently have significantly lower
capacity than hardwired links and are therefore more prone to congestion. Here we proposed a algorithm
which involves the reduction in the delay with the help of Request_set created on the basis of the location
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for applications in Ad hoc networks. So, the routing protocol not only finds a suitable path but also the path
should satisfy the QoS constraints also. Quality of services (QoS) aware routing is performed on the basis
of resource availability in the network and the flow of QoS requirement. In this paper we developed a
source routing protocol which satisfying the link bandwidth and end –to- end delay factor. Our protocol
will find multiple paths between the source and the destination, out of those one will be selected for data
transfer and others are reserve at the source node those can be used for route maintenance purpose. The
path selection is strictly based on the bandwidth and end-to-end delay in case two or more then two paths
are having the same values for QoS constraints then we will use hop as a parameter for path selection.
Cost Effective Routing Protocols Based on Two Hop Neighborhood Information (2...
Cost Effective Routing Protocols Based on Two Hop Neighborhood Information (2...Eswar Publications Ad hoc networks are collections of mobile nodes communicating with each other using wireless media without any fixed infrastructure. During both route discovery and traversal of route-reply packets from destination to source,
broadcast of packets is required which incurs huge message cost. The present article deals with the message cost
reduction during transmission of route-reply from destination to source. Also the redundancy that is visible within the 2-hop neighborhood of a node is minimized during broadcasting of route-reply. This improves the average lifetime of network nodes by decreasing the possibility of network partition. The scheme of 2NI can be used with any reactive routing protocol in MANETs.
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nodes . Distributed clustering scheme and cluster-based routing protocol are used for DelayTolerant
Mobile Networks (DTMNs). The basic idea is to distributive group mobile nodes with
similar mobility pattern into a cluster, which can then interchangeably share their resources for
overhead reduction and load balancing, aiming to achieve efficient and scalable routing in DTMN. Load balancing is carried out in two ways, Intra cluster load balancing and Inter cluster load balancing. The Convergence and stability become major challenges in distributed clustering in DTMN. An efficient routing protocol will be provided for the delay tolerant networks through which the stability of the network is maintained .Based on nodal contact probabilities, a set of functions including Sync(), Leave(), and Join() are devised for cluster formation and gateway selection. Finally, the gateway nodes exchange network information and perform routing
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Ijarcet vol-2-issue-7-2351-2356
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Eb34777780
Eb34777780IJERA Editor 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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- It proposes a novel solution that integrates mobile ad hoc networks (MANETs) to improve delivery of high priority real-time application data over low latency MANET paths.
- Experimental results showed the proposed approach was effective in reducing network overhead and congestion, while also improving routing protocol performance in terms of packet delay and throughput.
International Journal of Computational Engineering Research(IJCER)
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2) Large-scale flow-level simulations show that MPTCP achieves close to full utilization of FatTree, VL2, and BCube network topologies, outperforming randomized load balancing with single path TCP, which struggles to fully utilize the networks. The minimum number of MPTCP subflows needed does not significantly increase with larger network sizes.
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Advanced delay reduction algorithm based on GPS with Load Balancing
Advanced delay reduction algorithm based on GPS with Load Balancingijdpsjournal A Mobile Ad-Hoc Network (MANET) is a self-configuring network of mobile nodes connected by wireless
links, to form an arbitrary topology. The nodes are free to move arbitrarily in the topology. Thus, the
network's wireless topology may be random and may change quickly. An ad Hoc network is formed by
sensor networks consisting of sensing, data processing, and communication components. There is frequent
occurrence of congested links in such a network as wireless links inherently have significantly lower
capacity than hardwired links and are therefore more prone to congestion. Here we proposed a algorithm
which involves the reduction in the delay with the help of Request_set created on the basis of the location
information of the destination node. Across the paths found in the Route_reply (RREP) packets the load is
equally distributed
Ephemeral Performance of Choke
Ephemeral Performance of Chokepaperpublications3 Abstract: CHOKe is a simple and stateless active queue management (AQM) scheme. Highly attractive property of Choke is that it can protect responsive TCP flows from unresponsive UDP flows. Packets currently queued in buffer, to penalize the high bandwidth flows. It can be implemented by using RED algorithm. In RED algorithm when packets arrives at a congested router. CHOKe draws a packet at a random from the FIFO buffer and compares it with the arriving packet. If both belong to same flow, then they are both dropped; else randomly chosen packet is left intact and arriving packet is admitted into the buffer with a probability that depend on the level of congestion. These algorithms are typically implemented in the transport protocols (e.g., TCP) of end-hosts. To ensure global fairness, such schemes require all users to adopt them and respond to network congestion properly.Keywords: CHOKe, Random Early Detection (RED), Congestion.
Title: Ephemeral Performance of Choke
Author: Suhitha K.C
ISSN 2350-1022
International Journal of Recent Research in Mathematics Computer Science and Information Technology
Paper Publications
Project
Project J M This document summarizes a project seminar presentation on analyzing the performance of the epidemic routing protocol in delay tolerant networks under different mobility models. The key points are:
1) The objective is to evaluate the epidemic routing protocol's delivery probability, overhead ratio, and average buffer time when varying the buffer size and under different mobility models including random waypoint, map-based, shortest path, and map route models.
2) Simulation results show that the shortest path mobility model provides the best performance for the epidemic routing protocol in terms of high delivery probability, low overhead ratio, and efficient buffer usage.
3) Additional analysis varying the number of nodes found that performance is best when more nodes are present and becomes static with
A neighbor coverage based probabilistic rebroadcast for reducing routing over...
A neighbor coverage based probabilistic rebroadcast for reducing routing over...JPINFOTECH JAYAPRAKASH This document proposes a neighbor coverage-based probabilistic rebroadcast protocol to reduce routing overhead in mobile ad hoc networks. It calculates a rebroadcast delay based on common neighbors to determine the forwarding order. It also calculates a rebroadcast probability based on uncovered neighbors, connectivity, and node density. Simulation results show it generates less rebroadcast traffic than flooding and other optimized schemes.
An optimistic sector oriented approach to mitigate broadcast storm problem in...
An optimistic sector oriented approach to mitigate broadcast storm problem in...IAEME Publication In mobile ad hoc networks (MANETs), due to frequent changes in topology there exist more
link breakages which lead to high rate of path failures and route discoveries, which cause an
increased routing control overhead. Thus, it is necessary to reduce the overhead of route discovery in
the design of routing protocols for MANETs. In a route discovery, broadcasting may be an
elementary and effective data dissemination mechanism, wherever a mobile node blindly
rebroadcasts the first received route request packets unless it has a route to the destination, and
therefore it causes the broadcast storm problem. This paper proposes an optimistic approach OpSOA
to mitigate the broadcasting storm problem and to scale back the communication overheads of
routing protocols by forming sectors within the network and finding the route to destination by two
sectors at a time. The simulation result shows that the proposed mechanism substantially reduces
route requests. Since the proposed protocol searches for the destination sector wise thereby reducing
network wide broadcast of routing requests, traffic, collision and contention. There by there can be
an increase in the packet delivery ratio and decrease in the average end-to-end delay
Routing in Delay Tolerant Networks
Routing in Delay Tolerant NetworksAnubhav Mahajan This presentation covers some of the routing protocols for Delay Tolerant Networks (DTN) along with the overview of the Opportunistic Networking Environment which can be used for performance evaluation/comparison of/among these DTN protocols.
P.S. This presentation is for educational purpose only. It is not meant for any commercialization at all.
Hop by-hoproutinginwirelessmeshnetworkswithbandwidthguarantees-140918031049-p...
Hop by-hoproutinginwirelessmeshnetworkswithbandwidthguarantees-140918031049-p...Shakas Technologies Shakas Technologies provide IEEE projects, Non-IEEE projects, Final year student projects,Mini projects are available Contact: 9500218218
Multipath qos aware routing protocol
Multipath qos aware routing protocolIJCNCJournal Packet delivery ratio, delay, throughput, routing overhead etc are the strict quality of service requirements
for applications in Ad hoc networks. So, the routing protocol not only finds a suitable path but also the path
should satisfy the QoS constraints also. Quality of services (QoS) aware routing is performed on the basis
of resource availability in the network and the flow of QoS requirement. In this paper we developed a
source routing protocol which satisfying the link bandwidth and end –to- end delay factor. Our protocol
will find multiple paths between the source and the destination, out of those one will be selected for data
transfer and others are reserve at the source node those can be used for route maintenance purpose. The
path selection is strictly based on the bandwidth and end-to-end delay in case two or more then two paths
are having the same values for QoS constraints then we will use hop as a parameter for path selection.
Cost Effective Routing Protocols Based on Two Hop Neighborhood Information (2...
Cost Effective Routing Protocols Based on Two Hop Neighborhood Information (2...Eswar Publications Ad hoc networks are collections of mobile nodes communicating with each other using wireless media without any fixed infrastructure. During both route discovery and traversal of route-reply packets from destination to source,
broadcast of packets is required which incurs huge message cost. The present article deals with the message cost
reduction during transmission of route-reply from destination to source. Also the redundancy that is visible within the 2-hop neighborhood of a node is minimized during broadcasting of route-reply. This improves the average lifetime of network nodes by decreasing the possibility of network partition. The scheme of 2NI can be used with any reactive routing protocol in MANETs.
DOTNET 2013 IEEE MOBILECOMPUTING PROJECT Optimal multicast capacity and delay...
DOTNET 2013 IEEE MOBILECOMPUTING PROJECT Optimal multicast capacity and delay...IEEEGLOBALSOFTTECHNOLOGIES To Get any Project for CSE, IT ECE, EEE Contact Me @ 09849539085, 09966235788 or mail us - ieeefinalsemprojects@gmail.com-Visit Our Website: www.finalyearprojects.org
A neighbor coverage based probabilistic rebroadcast for reducing routing over...
A neighbor coverage based probabilistic rebroadcast for reducing routing over...JPINFOTECH JAYAPRAKASH
DOTNET 2013 IEEE MOBILECOMPUTING PROJECT Optimal multicast capacity and delay...
DOTNET 2013 IEEE MOBILECOMPUTING PROJECT Optimal multicast capacity and delay...IEEEGLOBALSOFTTECHNOLOGIES
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2012 13 ieee dotnet titles- jp infotech
2012 13 ieee dotnet titles- jp infotechJPINFOTECH JAYAPRAKASH 2012 ieee projects, 2012 ieee java projects, 2012 ieee dotnet projects, 2012 ieee android projects, 2012 ieee matlab projects, 2012 ieee embedded projects, 2012 ieee robotics projects, 2012 IEEE EEE PROJECTS, 2012 IEEE POWER ELECTRONICS PROJECTS, ieee 2012 android projects, ieee 2012 java projects, ieee 2012 dotnet projects, 2012 ieee mtech projects, 2012 ieee btech projects, 2012 ieee be projects, ieee 2012 projects for cse, 2012 ieee cse projects, 2012 ieee it projects, 2012 ieee ece projects, 2012 ieee mca projects, 2012 ieee mphil projects, pondicherry ieee projects, best project centre in pondicherry, bulk ieee projects, jpinfotech ieee projects, jp infotech pondicherry, latest ieee projects, ieee projects for mtech, ieee projects for btech, ieee projects for mphil, ieee projects for be, ieee projects, student projects, students ieee projects, ieee proejcts india, ms projects, bits pilani ms projects, uk ms projects, ms ieee projects, ieee android real time projects, 2012 mtech projects, 2012 mphil projects, 2012 ieee projects with source code, pondicherry mtech projects, jpinfotech ieee projects, ieee projects, 2012 ieee project source code, journal paper publication guidance, conference paper publication guidance, ieee project, free ieee project, ieee projects for students., 2012 ieee omnet++ projects, ieee 2012 oment++ project, innovative ieee projects, latest ieee projects, 2012 latest ieee projects, ieee cloud computing projects, 2012 ieee cloud computing projects, 2012 ieee networking projects, ieee networking projects, 2012 ieee data mining projects, ieee data mining projects, 2012 ieee network security projects, ieee network security projects, 2012 ieee image processing projects, ieee image processing projects, ieee parallel and distributed system projects, ieee information security projects, 2012 wireless networking projects ieee, 2012 ieee web service projects, 2012 ieee soa projects, ieee 2012 vlsi projects
Twitsper tweeting privately
Twitsper tweeting privatelyJPINFOTECH JAYAPRAKASH This document proposes Twitsper, a wrapper for Twitter that provides more fine-grained privacy controls for users when sharing tweets. Currently, Twitter only allows sharing with all followers or direct messaging one follower. Twitsper would allow sharing with subsets of followers without them needing to use a separate app. It aims to preserve privacy from both the Twitsper server and unwanted users, while still allowing Twitter to benefit commercially. The proposed system is described as well as hardware and software requirements.
A low complexity congestion control and scheduling algorithm for multihop wir...
A low complexity congestion control and scheduling algorithm for multihop wir...JPINFOTECH JAYAPRAKASH A low complexity congestion control and scheduling algorithm for multihop wireless networks with order-optimal per-flow delay
Whole test suite generation
Whole test suite generationJPINFOTECH JAYAPRAKASH Whole Test Suite Generation is a novel paradigm that evolves whole test suites simultaneously to cover all coverage goals, rather than targeting goals individually. This approach has several advantages, such as its effectiveness not being affected by infeasible targets. EVOSUITE implements this approach and achieved significantly higher coverage than traditional approaches, with test suites up to 62% smaller. Evaluated on open source libraries and industrial projects, EVOSUITE achieved up to 188 times the branch coverage of traditional approaches.
Social tube p2p assisted video sharing inonline social networks
Social tube p2p assisted video sharing inonline social networksJPINFOTECH JAYAPRAKASH SocialTube is a peer-to-peer video sharing system for online social networks that leverages social relationships and interests between users. It aims to improve the scalability and quality of experience over traditional client-server architectures. SocialTube constructs a P2P overlay based on social connections and interests, prefetches video chunks using social relationships to minimize startup delays, and delivers chunks considering both social and physical network proximity. An evaluation using a prototype and simulator showed SocialTube can enhance performance compared to other P2P video-on-demand techniques.
A novel data embedding method using adaptive pixel pair matching
A novel data embedding method using adaptive pixel pair matchingJPINFOTECH JAYAPRAKASH This paper proposes a new data embedding method called adaptive pixel pair matching (APPM). APPM uses pixel pair values as a reference coordinate to conceal message digits by searching for and replacing the pixel pair with a coordinate from its neighborhood set. This provides a simpler extraction function and more compact neighborhood sets than previous methods, embedding more messages per modification to improve efficiency. Experimental results show APPM has lower distortion than other methods and is more secure against steganalysis techniques.
Back pressure-based packet-by-packet adaptive routing in communication networks
Back pressure-based packet-by-packet adaptive routing in communication networksJPINFOTECH JAYAPRAKASH The document proposes a new adaptive routing algorithm built upon the widely studied back-pressure algorithm. It decouples the routing and scheduling components by designing a probabilistic routing table to route packets to per-destination queues, while scheduling decisions in wireless networks use "shadow queues". This reduces implementation complexity and delay compared to existing back-pressure algorithms. The approach can also optimize routing-coding tradeoffs in networks using simple network coding.
Packet hiding methods for preventing selective jamming attacks
Packet hiding methods for preventing selective jamming attacksJPINFOTECH JAYAPRAKASH The document presents three schemes to prevent selective jamming attacks by hiding packet classification at the physical layer: 1) A strong hiding commitment scheme that uses symmetric encryption to commit a sender to a message. 2) A cryptographic puzzle hiding scheme that requires solving a puzzle to obtain the decryption key. 3) Hiding based on all-or-nothing transformations that pre-processes packets before transmission to prevent classification until all pseudo-messages are received and transformed. The schemes aim to transform selective jamming into random jamming and were shown to effectively mitigate network performance degradation from such attacks.
Distributed, Concurrent, and Independent Access to Encrypted Cloud Databases
Distributed, Concurrent, and Independent Access to Encrypted Cloud DatabasesJPINFOTECH JAYAPRAKASH Distributed, Concurrent, and Independent Access to Encrypted Cloud Databases
To get this project in ONLINE or through TRAINING Sessions, Contact:JP INFOTECH, Old No.31, New No.86, 1st Floor, 1st Avenue, Ashok Pillar, Chennai -83.
Landmark: Next to Kotak Mahendra Bank.
Pondicherry Office: JP INFOTECH, #45, Kamaraj Salai, Thattanchavady, Puducherry -9.
Landmark: Next to VVP Nagar Arch.
Mobile: (0) 9952649690 , Email: jpinfotechprojects@gmail.com, web: www.jpinfotech.org
Blog: www.jpinfotech.blogspot.com
Protecting location privacy in sensor networks against a global eavesdropper
Protecting location privacy in sensor networks against a global eavesdropperJPINFOTECH JAYAPRAKASH The document proposes two techniques - periodic collection and source simulation - to prevent leakage of location information in sensor networks from a global eavesdropper. Periodic collection provides high location privacy while source simulation provides tradeoffs between privacy, communication cost, and latency. The techniques are efficient and effective at providing source and sink location privacy compared to existing methods that only defend against local adversaries.
2015 2016 ieee java project titles
2015 2016 ieee java project titlesJPINFOTECH JAYAPRAKASH 2015 ieee projects, 2015 ieee java projects, 2015 ieee dotnet projects, 2015 ieee android projects, 2015 ieee matlab projects, 2015 ieee embedded projects, 2015 ieee robotics projects, 2015 ieee NS2 projects, 2015 IEEE EEE PROJECTS, 2015 IEEE POWER ELECTRONICS PROJECTS, bulk ieee projects 2015, 2015 me projects with future enhancement, ieee projects in chennai, ieee projects chennai, ieee project centers in chennai, ieee 2015 projects in chennai, ieee project chennai, ieee project center in chennai, best ieee project center in chennai, ieee 2015 projects for cse, 2015 ieee cse projects, 2015 ieee it projects, 2015 ieee ece projects, 2015 ieee mca projects, 2015 ieee mphil projects, pondicherry ieee projects, best project centre in pondicherry, bulk ieee projects, jpinfotech ieee projects, jp infotech pondicherry, latest ieee projects, ieee projects for mtech, ieee projects for btech, ieee projects for mphil, ieee projects for be, ieee projects, student projects, students ieee projects, ieee proejcts india, ms projects, bits pilani ms projects, uk ms projects, ms ieee projects, ieee android real time projects, 2015 mtech projects, 2015 mphil projects, 2015 ieee projects with source code, pondicherry mtech projects, jpinfotech ieee projects, ieee projects, 2015 ieee project source code, journal paper publication guidance, conference paper publication guidance, ieee project, free ieee project, ieee projects for students., 2015 ieee omnet++ projects, ieee 2015 oment++ project, innovative ieee projects, latest ieee projects, 2015 latest ieee projects, ieee cloud computing projects, 2015 ieee cloud computing projects, 2015 ieee networking projects, ieee networking projects, 2015 ieee data mining projects, ieee data mining projects, 2015 ieee network security projects, ieee network security projects, 2015 ieee image processing projects, ieee image processing projects, ieee parallel and distributed system projects, ieee information security projects, 2015 wireless networking projects ieee, 2015 ieee web service projects, ns2 projects in chennai, ieee 2015 vlsi projects
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A distributed control law for load balancing in content delivery networks
A distributed control law for load balancing in content delivery networksJPINFOTECH JAYAPRAKASH This document discusses load balancing in content delivery networks (CDNs). It proposes a novel distributed algorithm for load balancing based on a fluid flow model characterization of the network servers. The algorithm is designed to achieve equilibrium of queues across the network. It leverages local balancing to achieve global balancing through periodic interaction among system nodes. Simulations are used to validate that the proposed algorithm exhibits excellent average response time and load balancing comparable to existing algorithms with fewer redirections.
2012-2013 IEEE JAVA PROJECT TITLES
2012-2013 IEEE JAVA PROJECT TITLESJPINFOTECH JAYAPRAKASH The document lists 17 IEEE projects from 2012 in the areas of cloud computing, knowledge and data engineering, parallel and distributed systems, and networking. The projects focus on cloud security, data storage, data access control, data sharing, search algorithms, and network routing. The projects are developed using languages like Java and aim to provide secure, scalable and efficient solutions for cloud, big data, and networking challenges. Students will receive support for these projects including publications, documentation, explanations, assignments, and placement assistance.
A secure erasure code based cloud storage system with secure data forwarding
A secure erasure code based cloud storage system with secure data forwardingJPINFOTECH JAYAPRAKASH The document proposes a secure cloud storage system that uses a threshold proxy re-encryption scheme integrated with a decentralized erasure code. This allows the system to support secure and robust data storage, retrieval, and forwarding without retrieving data back from storage servers. The scheme supports encoding and forwarding operations on encrypted data. Parameters are analyzed for adjusting the number of storage servers and robustness.
Generating summary risk scores for mobile applications
Generating summary risk scores for mobile applicationsJPINFOTECH JAYAPRAKASH This document discusses generating risk scores for Android mobile applications to better inform users of potential risks. It proposes a framework that uses both rare permission requests and machine learning techniques to label apps as either risky or not risky. An evaluation of these methods on real-world data sets found they could effectively identify malware and were simple for users to understand compared to existing Android permission warnings.
A low complexity congestion control and scheduling algorithm for multihop wir...
A low complexity congestion control and scheduling algorithm for multihop wir...JPINFOTECH JAYAPRAKASH
Back pressure-based packet-by-packet adaptive routing in communication networks
Back pressure-based packet-by-packet adaptive routing in communication networksJPINFOTECH JAYAPRAKASH
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Cooperation without synchronization practical cooperative relaying for wirele...
Cooperation without synchronization practical cooperative relaying for wirele...ieeeprojectschennai Cooperative relay aims to realize the capacity of multi-antenna arrays in a distributed manner. However, symbol-level synchronization requirements limit practical use. The proposed Distributed Asynchronous Cooperation (DAC) protocol circumvents this through packet-level synchronization and collision resolution to extract multiple relayed packet versions, realizing diversity gain. DAC feasibility is demonstrated on GNURadio/USRP software radios. A DAC MAC protocol and approach to integrate DAC into routing is introduced. DAC improves throughput and delay in lossy networks with intermediate link quality by enhancing reliability of bottleneck links.
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Ag26204209IJERA Editor This document summarizes a research paper that analyzes delay performance in multi-hop wireless networks. The paper proposes using a queue grouping technique and interference model to derive a lower bound on average delay. It describes modeling a wireless network as nodes and links, with fixed routes between source-destination pairs. The paper then presents algorithms to partition the network into single-queue systems and greedily compute a delay lower bound. Simulation results are shown for various topologies. The paper also discusses using a back-pressure scheduling policy to improve delay performance close to the derived lower bounds.
CPCRT: Crosslayered and Power Conserved Routing Topology for congestion Cont...
CPCRT: Crosslayered and Power Conserved Routing Topology for congestion Cont...IOSR Journals The document describes a proposed Crosslayered and Power Conserved Routing Topology (CPCRT) for congestion control in mobile ad hoc networks. The CPCRT aims to improve transmission performance by distinguishing between packet loss due to link failure versus other causes, while also conserving power used for packet transmission. It builds upon an earlier Crosslayered Routing Topology (CRT) approach by incorporating power conservation. The CPCRT is intended to identify the root cause of packet loss, avoid unnecessary congestion handling from link failures, allow congestion handling at specific high-traffic nodes rather than all nodes, and optimize resource and power usage for packet routing in mobile ad hoc networks.
C0351725
C0351725iosrjournals The document proposes a Crosslayered and Power Conserved Routing Topology (CPCRT) for congestion control in mobile ad hoc networks. CPCRT aims to distinguish between packet loss due to link failure versus other causes like congestion. It takes a cross-layer approach using information from the physical, MAC, and application layers. The proposed method also aims to conserve power during packet transmission by adjusting transmission power levels based on received signal strength. Simulation results show that CPCRT can better utilize resources and conserve power during congestion control compared to other approaches.
Stochastic bandwidth estimation in networks with random service
Stochastic bandwidth estimation in networks with random servicePapitha Velumani This paper proposes a new method for estimating available bandwidth in wireless networks and other networks with random service. Existing bandwidth estimation methods developed for wired networks fail in wireless settings due to the increased variability of wireless channels. The proposed method models the network as a general stationary system using concepts from stochastic network calculus, rather than assuming a work-conserving queueing model. It develops a new approach to bandwidth estimation based on iterative constant-rate probes and statistical inference of an unknown bounding function characterizing network throughput and delays. The method is evaluated for both wired and wireless networks and provides more accurate and reliable estimates than approaches adapted from wired-only models.
A scalable and power efficient solution for routing in mobile ad hoc network ...
A scalable and power efficient solution for routing in mobile ad hoc network ...ijmnct This document summarizes a research paper that proposes a scalable and power-efficient routing solution for mobile ad hoc networks (MANETs). The paper describes a cluster-based MANET architecture and develops a graph theoretic routing algorithm that finds paths from source to destination nodes using routes with minimum cumulative degree. Simulation results show that the algorithm provides efficient routing paths even as the number of nodes increases, and uses multi-hop connectivity to transmit packets using minimum power irrespective of the number of nodes in the network. The algorithm is shown to be scalable and power efficient compared to other routing methods.
Network layer new
Network layer newreshmadayma 1) Computer networks allow computers to communicate and share resources by connecting them through communication channels. There are several types of networks including LANs, WANs, and MANs.
2) For communication between computers on a network, both sides must agree on protocols which are sets of rules that govern data transmission. The two main protocol stacks are OSI and TCP/IP.
3) The network layer is responsible for delivering packets from source to destination by choosing appropriate paths through routers. It provides connectionless and connection-oriented services to the transport layer above it.
Analysis of Latency and Throughput of 2D Torus Topology using Modified XY Rou...
Analysis of Latency and Throughput of 2D Torus Topology using Modified XY Rou...IDES Editor Network-on-Chip (NoC) is a packet switched onchip
communication network designed using a layered
methodology i.e. “routes packets, not wires”. It is an efficient
on chip communication architecture for System on Chip (SoC)
architectures. NoCs solved the disadvantages of SoCs and are
scalable. Each route in NoC includes some routers and it takes
a few clock periods by passing a router.
When the network is in congestion, the package transmission
will produce much more time delay. So adopting an appropriate
routing algorithm to get the balance between the time delay
and throughput rate becomes the key problem. In this paper
we tried to solve that problem using torus topology with our
modified XY routing algorithm.
We used NIRGAM simulator for analysis of latency and
throughput of modified XY routing algorithm for 2D torus
topology. 3x3 network size used for analyze the performance.
We consider all tiles as source, all tiles as destination and
vary the packet size & traffic used is Constant Bit Rate (CBR)
random traffic. It is found that packet size increases then
latency/packet increases and throughput (in Gbps) also
increases but latency/flit decreases.
Broadcast Scheduling Protocols in Multi-Hop Mobile Ad hoc Networks
Broadcast Scheduling Protocols in Multi-Hop Mobile Ad hoc NetworksIJCNCJournal When packets are sending in multi-hop mobile unintended networks numerous problems occur like flooding, rebroadcast, broadcast latency, power conservation and collision. If multiple transmission of packets simultaneously in MANETs that using the slot assignments approach, when additional channels are transmitting at the same time as the first slot allocations, interference may occur at the nodes. Because of the multi-hops data transfer, the network performance is hampered by the constrained bandwidth and therefore the self-initiated topological alterations. Therefore, a broadcast algorithm is important within the mobile ad hoc network for collision control and reliable communication. This paper proposes two new broadcasting protocols: modify SRBS and DSB algorithms. The planned algorithms outperform context of efficiency, reliability, traffic overload and reachability in highly mobile networks is an enhanced performance within the different environments. Evaluation of simulation results with other well-known exiting protocols as DFCN and PEGSP algorithms shows that the proposed protocol performance is best within the wireless network and channel bandwidths are well utilized within the network.
BROADCAST SCHEDULING PROTOCOLS IN MULTIHOP MOBILE AD HOC NETWORKS
BROADCAST SCHEDULING PROTOCOLS IN MULTIHOP MOBILE AD HOC NETWORKSIJCNCJournal When packets are sending in multi-hop mobile unintended networks numerous problems occur like
flooding, rebroadcast, broadcast latency, power conservation and collision. If multiple transmission of
packets simultaneously in MANETs that using the slot assignments approach, when additional channels are
transmitting at the same time as the first slot allocations, interference may occur at the nodes. Because of
the multi-hops data transfer, the network performance is hampered by the constrained bandwidth and
therefore the self-initiated topological alterations. Therefore, a broadcast algorithm is important within the
mobile ad hoc network for collision control and reliable communication. This paper proposes two new
broadcasting protocols: modify SRBS and DSB algorithms. The planned algorithms outperform context of
efficiency, reliability, traffic overload and reachability in highly mobile networks is an enhanced
performance within the different environments. Evaluation of simulation results with other well-known
exiting protocols as DFCN and PEGSP algorithms shows that the proposed protocol performance is best
within the wireless network and channel bandwidths are well utilized within the network.
rupali published paper
rupali published paperRoopali Singh This document summarizes a research paper that proposes a novel cross-layer routing technique for mobile ad hoc networks. The technique calculates both signal strength and node mobility to select the most efficient and stable path for data transmission. It aims to improve on traditional ad hoc routing protocols like AODV by considering both link quality metrics from the physical layer (signal strength) and node mobility. The proposed method selects routes based on signal strength if mobility is high, and on traditional hop count if mobility is low, in order to find paths that reduce link failure and improve throughput.
Congestion Control in Manets Using Hybrid Routing Protocol
Congestion Control in Manets Using Hybrid Routing ProtocolIOSR Journals 1. The document proposes a hybrid routing protocol that combines DSDV and IAODV to reduce packet loss due to congestion in MANETs.
2. Under the proposed scheme, DSDV is used initially for path selection. If congestion occurs, nodes switch to using IAODV to find an alternate path to avoid congested areas.
3. Simulation results show that the hybrid protocol improves end-to-end delay, packet delivery fraction, and throughput compared to using only DSDV or IAODV. The hybrid approach balances the advantages of proactive and reactive routing to better handle congestion in mobile ad hoc networks.
Congestion Control in Manets Using Hybrid Routing Protocol
Congestion Control in Manets Using Hybrid Routing ProtocolIOSR Journals As the network size increases the probability of congestion occurrence at nodes increases. This is
because of the event driven nature of ad hoc networks that leads to unpredictable network load. As a result
congestion may occur at the nodes which receive more data than that can be forwarded and cause packet losses.
In this paper we propose a hybrid scheme that attempts to avoid packet loss due to congestion as well as reduce
end to end delay in delivering data packets by combining two protocols- Destination sequenced distance vector
routing (DSDV), which is a table driven or proactive protocol and Improved Ad-hoc on demand vector routing
(IAODV) which is an on-demand or reactive protocol that reduces packet loss due to congestion. The strategy
adopted is use DSDV for path selection and if congestion occurs than switch over to IAODV. The routing
performance of this model is then compared with IAODV and DSDV in terms of end to end delay, throughput
and packet delivery fraction
A distributed three hop routing protocol to increase the
A distributed three hop routing protocol to increase theKamal Spring Hybrid wireless networks combining the advantages of both mobile ad-hoc networks and infrastructure wireless networks have been receiving increased attention due to their ultra-high performance. An efficient data routing protocol is important in such networks for high network capacity and scalability. However, most routing protocols for these networks simply combine the ad-hoc transmission mode with the cellular transmission mode, which inherits the drawbacks of ad-hoc transmission. This paper presents a Distributed Three-hop Routing protocol (DTR) for hybrid wireless networks. To take full advantage of the widespread base stations, DTR divides a message data stream into segments and transmits the segments in a distributed manner. It makes full spatial reuse of a system via its high speed ad-hoc interface and alleviates mobile gateway congestion via its cellular interface. Furthermore, sending segments to a number of base stations simultaneously increases throughput and makes full use of widespread base stations. In addition, DTR significantly reduces overhead due to short path lengths and the elimination of route discovery and maintenance. DTR also has a congestion control algorithm to avoid overloading base stations. Theoretical analysis and simulation results show the superiority of DTR in comparison with other routing protocols in terms of throughput capacity, scalability and mobility resilience. The results also show the effectiveness of the congestion control algorithm in balancing the load between base stations.
ANALYSIS OF ROUTING PROTOCOLS IN WIRELESS MESH NETWORK
ANALYSIS OF ROUTING PROTOCOLS IN WIRELESS MESH NETWORKIJCSIT Journal There are two methods to improve the performance of routing protocols in wireless mesh networks. One way is to improve the methods used for select the path. Second way is to improve the algorithms to add up the new characteristics of wireless mesh networks. We also propose a new protocol that is used for Multi Interfaces and Multiple Channels (MIMC) named as Hybrid Wireless Mesh Protocol.
Predictable Packet Lossand Proportional Buffer Scaling Mechanism
Predictable Packet Lossand Proportional Buffer Scaling MechanismIDES Editor Packet losses at IP network are common behavior at
the time of congestion. The TCP traffic is explained as in
terms of load and capacity. The load should be measured as
number of sender actively competes for a bottleneck link and
the capacity as the total network buffering available to those
senders. Though there are many congestion mechanism
already in practice like congestion window, slow start,
congestion avoidance, fast transmit but still we see erratic
behavior when there is a large traffic. The TCP protocol that
controls sources send rates degrades rapidly if the network
cannot store at least a few packets per active connection. Thus
the amount of router buffer space required for good
performance scales with the number of active connections
and the bandwidth utilization by each active connections. As
in the current practice, the buffer space does not scale in this
way and router drops the packet without looking at bandwidth
utilization of each connections. The result is global
synchronization and phase effect as well as packet from the
unlucky sender will be frequently dropped. The simultaneous
requirements of low queuing delay and of large buffer
memories for large numbers of connections pose a problem.
Routers should enforce a dropping policy by proportional to
the bandwidth utilization by each active connection. Router
will provision the buffering mechanism when processing slows
down. This study explains the existing problem with drop-tail
and RED routers and proposes the new mechanism to predict
the effective bandwidth utilization of the clients depending
on their history of utilization and drop the packet in different
pattern after analyzing the network bandwidth utilization at
each specific interval of time
Evaluating feasibility of using wireless sensor networks in a coffee crop thr...
Evaluating feasibility of using wireless sensor networks in a coffee crop thr...IJCNCJournal A Wireless Sensor Networks is a network formed with sensors that have characteristics to sensor an area to
extract a specific metric, depending of the application.
We would like to analyse the feasibility to use sensors in a coffee crop.In this work we are evaluating routing protocolsusing real dimensions and characteristics of a coffee crop. We evaluate, through simulation, AODV, DSDV and AOMDV and two variants known in this work as AODVMOD and AOMDVMOD with 802.15.4 MAC Protocol
.For this comparison, we defined three performance metrics: Packet Delivery Ratio (PDR), End-to-End Delay
and Average Energy Consumption. Simulation results show that AOMDVMOD overall, outperforms others
routing protocols evaluated, showing that is possible to use WSN in a real coffee crop environment.
Efficient and Fair Bandwidth Allocation AQM Scheme for Wireless Networks
Efficient and Fair Bandwidth Allocation AQM Scheme for Wireless NetworksCSCJournals Heterogeneous Wireless Networks are considered nowadays as one of the potential areas in research and development. The traffic management’s schemes that have been used at the fusion points between the different wireless networks are classical and conventional. This paper is focused on developing a novel scheme to overcome the problem of traffic congestion in the fusion point router interconnected the heterogeneous wireless networks. The paper proposed an EF-AQM algorithm which provides an efficient and fair allocation of bandwidth among different established flows. Finally, the proposed scheme developed, tested and validated through a set of experiments to demonstrate the relative merits and capabilities of a proposed scheme
(Paper) A Method for Overlay Network Latency Estimation from Previous Observa...
(Paper) A Method for Overlay Network Latency Estimation from Previous Observa...Naoki Shibata Weihua Sun, Naoki Shibata, Keiichi Yasumoto, Masaaki Mori, "A Method for Overlay Network Latency Estimation from Previous Observation", in Proc. of The Twelfth International Conference on Networks (ICN2013), pp.95--100, 29 Jan. 2013.
Abstract—Estimation of the qualities of overlay links is useful for optimizing overlay networks on the Internet. Existing estimation methods requires sending large quantities of probe packets between two nodes, and the software for measurements have to be executed at both of the end nodes. Accurate measurements require many probe packets to be sent, and other communication can be disrupted by significantly increased network traffic. In this paper, we propose a link quality estimation method based on supervised learning from the previous observation of other similar links. Our method does not need to exchange probe packets, estimation can be quickly made to know qualities of many overlay links without wasting bandwidth and processing time on many nodes. We conducted evaluation of our method on PlanetLab, and our method showed better performance on path latency estimation than estimating results from geographical distance between the two end nodes.
3
3srimoorthi The document describes the design and implementation of an on-chip system-on-chip (SOC) interconnect using an i-SLIP scheduling algorithm. The interconnect uses a crossbar switch architecture to connect 8 devices on the chip. Each device has an input and output block that can store up to 32 packets to send and receive. The scheduler block implements the i-SLIP algorithm to determine which packets from the input blocks will be sent to the output blocks. The goal is to provide an efficient communication mechanism between the on-chip devices using a packet-based protocol over the interconnect.
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A framework for routing performance analysis in delay tolerant networks with application to noncooperative networks
- 1. A Framework for Routing Performance Analysis in Delay Tolerant Networks with Application to Noncooperative Networks ABSTRACT:- In this paper, we introduce a theoretical framework for analyzing routing performance in delay tolerant networks which is aimed at characterizing the exact distribution of the fundamental performance metrics described above, namely packet delivery delay and communication cost. Our proposed framework is based on a characterization of the routing process as a stochastic coloring process, and can be applied to model performance of most stateless delay tolerant routing protocols we have introduced a framework for deriving the exact packet delivery delay and communication cost distribution for a large class of delay tolerant network routing protocols. We have also presented examples of application of our framework to specific routing protocols, namely epidemic and two-hops routing. Furthermore, we have shown how accurate characterization of the packet delivery delay distribution can be used to investigate epidemic routing performance in presence of different degrees of node cooperation within the network.
- 2. EXISTING SYSTEM:- We show how packet delivery delay distribution can be used to estimate how the performance of epidemic routing changes in presence of different degrees of node cooperation within the network. We stress that node cooperation is fundamental to ensure acceptable performance in DTNs: in fact, differently from more traditional (fully connected) types of wireless multi-hop networks, nodes are typically requested not only to act as packet forwarders, but also to store in their own buffer other nodes’ packets for a very long time interval (storeand- forward communication). DISADVANTAGES OF EXISTING SYSTEM:- Network traffic is very high and low density. Slow transmissions because node will be disconnection frequently so the data load neighbor node loss of data and slow down process. Our existing systems harm the routing protocols. Poor performance gain in the Network.
- 3. PROPOSED SYSTEM:- Our proposed framework is based on a characterization of the routing process as a stochastic coloring process, and can be applied to model performance of most stateless delay tolerant routing protocols. We then show how the proposed framework can be used to faithfully compare performance of the two considered routing protocols, in terms of both expected PDR and average communication cost. The proposed framework is based upon the following assumptions: 1) Low load: network traffic is low, so that buffer capacity on the nodes is not an issue (i.e., it can be considered as virtually infinite). 2) Transmission range and encounter: two nodes can communicate if they are within distance r, where r is the transmission range; this is equivalent to assuming isotropic, deterministic propagation of the radio signal with distance. We say that an encounter between two nodes occur when they come into each other transmission range. 3) No contention: any communicating pair of nodes does not interfere with any other pair communicating at the same time. This assumption is justified by the very low node density in a typical DTN scenario, and by the relatively low network load scenario considered in this paper. 4) Fast transmissions: relative speed between arbitrary node pairs is very low compared to transmission time; in other words, we assume that the duration of node encounters is always sufficient for the two nodes to exchange the content of their buffers.
- 4. ADVANTAGES OF PROPOSED SYSTEM: - The packet delivery delay distribution can be used to estimate how the performance of epidemic routing changes in presence of different degrees of node cooperation within the network. The performances gain the exact packet delivery delay and communication distribution systems. When the transfer of data to another node is very fast communication. SYSTEM REQUIREMENTS: HARDWARE REQUIREMENTS: • System : Pentium IV 2.4 GHz. • Hard Disk : 40 GB. • Floppy Drive : 1.44 Mb. • Monitor : 15 VGA Colour. • Mouse : Logitech. • Ram : 512 Mb.
- 5. SOFTWARE REQUIREMENTS: • Operating system : - Windows XP. • Coding Language : JAVA REFERENCE: Giovanni Resta and Paolo Santi, “A Framework for Routing Performance Analysis in Delay Tolerant Networks with Application to Noncooperative Networks”, IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, VOL. 23, NO. 1, JANUARY 2012