Issue Details

A SECURE IMPROVED ZONE ROUTING PROTOCOL (SIZRP) FOR AD-HOC NETWORKS

ABSTRACT

Ad hoc networks (MANET) are self-organizing wireless networks composed of mobile nodes. Zone Routing Protocol (ZRP) is a hybrid routing protocol used to reduce control overhead of proactive routing protocol and to decrease the latency of reactive routing protocol and suitable for networks with large span and diverse mobility patterns having adaptive behaviour. In ZRP, the proactive routing is performed for the nodes within the zone and reactive routing for the nodes that are outside the zone. Abstract- Ad hoc networks (MANET) are self-organizing Improved ZRP (ZRP1) improves the performance of ZRP by controlling broadcasting by peripheral nodes. ZRP1 is less secure. The present work modifies the ZRP1 by using key authentication and trust based routing. The proposed works add trust based intra zone routing (IARP) and key authentication based inter zone routing (IERP). The key filed id added to ZRP data packet format. The key authentication is used for IERP; if it is used for IARP routing then overhead will get increased. IARP uses trust based security. The trust value is assigned to each node. The trust value of a node increases with successful transmission and decreases with unsuccessful transmission. Ns2.33 network simulator has used for obtaining the simulation results; this process improves security while maintaining the performance.

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