期刊名称：International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
印刷版ISSN：2278-1323
出版年度：2012
卷号：1
期号：4
页码：525-529
出版社：Shri Pannalal Research Institute of Technolgy
摘要：Mobile Ad-hoc Network (MANET) is an autonomous system, where nodes/stations are connected with each other through wireless links. MANETs are highly vulnerable to attacks due to the open medium, dynamically changing topology, lack of centralized monitoring and management point. The possible and the commonest attack in ad hoc networks is the black hole attack. In the black hole attack, a malicious node advertises itself as having the shortest path to the destination node. In the existing method a detection method based on checking the sequence number in the Route Reply message by making use of a new message originated by the destination node was developed but the drawback here is that a malicious node can play a role of sequence number collector in order to get the sequence number of as many other nodes as possible. In this Research Paper, a system is being proposed via which the sequence number collector problem is overcome by classifying the nodes into three categories based on the behavior. The malicious node is isolated from the active data forwarding and routing. The association between the nodes is used for the route selection. The scheme which is proposed in this research paper not only increases the routing security but also make the nodes cooperate among each other in the adhoc network.
