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Published in:   Vol. 5 Issue 1 Date of Publication:   June 2016

Detection of Node Activity and Selfish & Malicious Behavioral Patterns using Watchdog Chord Monitoring

M.Vanishree,R.Arun

Page(s):   86-89 ISSN:   2278-2397
DOI:   10.20894/IJBI.105.005.001.020 Publisher:   Integrated Intelligent Research (IIR)

Mobile ad-hoc networks(MANETs) assume that mobile nodes voluntary cooperate in order to work properly. This cooperation is a cost-intensive activity and some nodes can refuse to cooperate, leading to a selfish node behaviour. Thus, the overall network performance could be seriously affected. The use of watchdogs is a well-known mechanism to detect selfish nodes. However, the detection process performed by watchdogs can fail, generating false positives and false negatives that can induce to wrong operations. Moreover, relying on local watchdogs alone can lead to poor performance when detecting selfish nodes, in term of precision and speed. This is especially important on networks with sporadic contacts, such as delay tolerant networks (DTNs), where sometimes watchdogs lack of enough time or information to detect the selfish nodes. Thus, We apply chord algorithm to identify behavior pattern of one shelf by two neighborhood nodes and themselves. Servers will finally categories nature of node.