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Probabilistic Broadcasting Protocol In AD HOC Network And Its Advancement: A Review

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Author(s): Tasneem Bano | Jyoti Singhai

Journal: International Journal of Computer Science and Engineering Survey
ISSN 0976-3252

Volume: 1;
Issue: 2;
Start page: 1;
Date: 2010;
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Keywords: Probabilistic broadcasting | Probability based scheme | Counter based scheme | Distance based scheme | Reachability | Saved Rebroadcast.

ABSTRACT
Broadcasting is a fundamental operation in MANETs where a source node transmits a message that is to be disseminated to all the nodes in the network. Broadcasting is categorized into deterministic and probabilistic schemes. This paper reviews the probabilistic broadcasting protocol because of its adaptability in changing environment. Probabilistic broadcasting is best suited in terms of ad hoc network which is well known for its decentralized network nature. Probability, counter and distance based scheme under probabilistic scheme are discussed in this paper. Besides the basic probability scheme this paper also includes their recent advancements. Rebroadcast is one of the initial task for route discovery inreactive protocols. This review paper identify which protocol gives better performance in terms of reachability, saved rebroadcast and average latency in rebroadcasting a route request message. Simulation results are presented, which shows reachability, saved rebroadcast and average latency of the probabilistic broadcast protocols and their enhancement schemes. The comparative study shows the improvement of enhanced scheme over probabilistic schemes.

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