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Discovering a Secure Path in MANET by Avoiding Black/Gray Holes

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Author(s): Assistant Professor Sarita Choudhary | Scholar Kriti Sachdeva

Journal: International Journal of Recent Technology and Engineering
ISSN 2277-3878

Volume: 1;
Issue: 3;
Start page: 88;
Date: 2012;
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Keywords: Mobile Ad-hoc Networks | Black Holes | Gray Holes | Routing | AODV | Routing Table.

ABSTRACT
Mobile ad hoc networks (MANET) are widelyused in places where there is little or no infrastructure. Anumber of people with mobile devices may connecttogether to form a large group. Later on they may split intosmaller groups. This dynamically changing networktopology of MANETs makes it vulnerable for a wide rangeof attack. In this paper we propose a complete protocol fordetection & removal of networking Black/Gray Holes byusing OPNET network simulator 14.5; it is the latestversion of simulation software. Basically, OPNET allowsyou to build a network with a range of simulated "reallife"equipment, so different configuration options can betested. And considering two different networks with15nodes and 35 nodes in network and evaluating a securityattack against MANET as a network, different statistics orperformance metrics Packet loss, Packet delivery ratio andAverage end to end delay has been used.

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