Computer Science – Networking and Internet Architecture
Scientific paper
2010-04-06
International Journal of Network Security & Its Applications 1.3 (2009) 111-116
Computer Science
Networking and Internet Architecture
6Pages
Scientific paper
Due to lack of the infrastructure, open peer-to-peer architecture, shared wireless medium, limited resource constraints and highly dynamic topology, MANETs (Mobile Adhoc Networks) are frequently established in insecure environments, which make them more vulnerable to attacks. These attacks are initiated by sharing malicious nodes against different services of network. The binding force in these networks is routing protocol, which is a common target of malicious nodes. MANETs routing protocols are being developed without having security in mind. Ad-hoc On-Demand Distance Vector (AODV) is one such widely used routing protocol that is at present undergo extensive research and development. AODV is based on distance vector routing, but here the updates are shared not on a periodic basis but on an as per demand basis. The control packets contain a hop-count and sequence number field which recognizes the freshness of routing. These fields are editable, so it creates a possible susceptibility that is frequently abused by malicious nodes to advertise false better routes. As well as, transmission of routing updates in form of clear text also reveals crucial information about the network topology, which is again a probable security danger.
Jani N. N.
Lakhtaria Kamaljit Mr.
Patel Bhaskar N.
Prajapati Satish Mr. G.
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