Reactive Routing

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Chenna P Reddy - One of the best experts on this subject based on the ideXlab platform.

  • performance analysis of adhoc network Routing protocols
    Ubiquitous Computing, 2006
    Co-Authors: Chenna P Reddy
    Abstract:

    Routing in adhoc networks is nontrivial due to highly dynamic nature of the nodes. In recent years several Routing protocols targeted at mobile adhoc networks are being proposed and prominent among them are DSDV, AODV, TORA, and DSR. This paper does the comprehensive performance analysis of the Routing protocols using ns2 simulator considering all the metrics as suggested by RFC 2501. Results indicate Reactive Routing protocols are more suitable for adhoc networks.

Thomas Clausen - One of the best experts on this subject based on the ideXlab platform.

Ali Belmehdi - One of the best experts on this subject based on the ideXlab platform.

  • fighting against packet dropping misbehavior in multi hop wireless ad hoc networks
    Journal of Network and Computer Applications, 2012
    Co-Authors: Abderrahmane Baadache, Ali Belmehdi
    Abstract:

    In multi-hop wireless ad hoc networks, the packets are forwarded through intermediate nodes along the source-destination path. Without having any control on packets forwarding, an intermediate node can behave selfishly or maliciously to drop packets going through it. The dropper motivation is the preservation of its resources, like its limited energy (selfish behavior) or the launch of denial of service attack (malicious behavior). In this paper, we propose an approach to verify the correct forwarding of packets by an intermediate node. The Merkle tree principle has been used for implementation in justification of our proposed approach. Through simulation, we have shown our approach efficiency, and we have evaluated its performance in both proactive and Reactive Routing protocol in ad hoc network. Also, we have compared our approach with the watchdog and the 2-hop ACK which are well-known approaches in the literature.

Axel Colin De Verdiere - One of the best experts on this subject based on the ideXlab platform.

S V Rao - One of the best experts on this subject based on the ideXlab platform.

  • improving protocol robustness in ad hoc networks through cooperative packet caching and shortest multipath Routing
    IEEE Transactions on Mobile Computing, 2005
    Co-Authors: Alvin Valera, Winston K G Seah, S V Rao
    Abstract:

    A mobile ad hoc network is an autonomous system of infrastructure-less, multihop, wireless mobile nodes. Reactive Routing protocols perform well in this environment due to their ability to cope quickly against topological changes. This paper proposes a new Routing protocol named CHAMP (caching and multiple path) Routing protocol. CHAMP uses cooperative packet caching and shortest multipath Routing to reduce packet loss due to frequent route failures. We show through extensive simulation results that these two techniques yield significant improvement in terms of packet delivery, end-to-end delay and Routing overhead. We also show that existing protocol optimizations employed to reduce packet loss due to frequent route failures, namely local repair in AODV and packet salvaging in DSR, are not effective at high mobility rates and high network traffic.