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Counteracting an Active Attack within MANET by Exploiting Luby Transform Codes
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 113 - Number 18 |
| Year of Publication: 2015 |
| Authors: J.deepa, K.hemapriya, S.kaviarasan |
10.5120/19927-2050
|
J.deepa, K.hemapriya, S.kaviarasan . Counteracting an Active Attack within MANET by Exploiting Luby Transform Codes. International Journal of Computer Applications. 113, 18 ( March 2015), 30-33. DOI=10.5120/19927-2050
Abstract
In this paper, we consider a scenario where nodes in a MANET disseminate data chunks using rateless codes. Any node in MANET is able to successfully decode any chunk by collecting enough coded blocks from several other nodes without any coordination. Here the problem is to identify malicious nodes that launch a pollution attack using SIEVE a decentralized, accurate and robust technique that exploits rateless codes which detect chunk integrity. Source nodes transmit data using Luby Transform codes (a class of rateless codes) and any legitimate node in a WMN executes a randomized and fully distributed detection mechanism to detect its malicious neighbors and it is isolated subsequently. Furthermore, an interesting trade-off between coding efficiency and SIEVE completeness, reactivity and accuracy is discovered. We also show that SIEVE is efficient that requires low memory, computational and communication resources.
References
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