A STUDY AND COMPARISON OF OLSR, AODV AND ZRP ROUTING PROTOCOLS IN AD HOC NETWORKS

Hrituparna Paul, Priyanka Sarkar

Abstract: A mobile ad hoc networks (MANET) is characterized by multihop wireless connectivity consisting of independent nodes which move dynamically by changing its network connectivity without the uses of any pre-existent infrastructure. MANET offers[1, 2] such flexibility which helps the network to form anywhere, at any time, as long as two or more nodes are connected and communicate with each other either directly when they are in radio range or via intermediate mobile nodes. Routing is a significant issue and challenge in ad hoc networks and many routing protocols have been proposed like OLSR, AODV, DSDV,DSR, ZRP, and TORA, LAR so far to improve the routing performance and reliability. This research paper describes the characteristics of ad hoc routing protocols OLSR, AODV and ZRP based on the performance metrics like packet delivery ratio, end–to–end delay, throughput and jitter by increasing number of nodes in the network. This comparative study proves that OLSR, ZRP performs well in dense networks in terms of low mobility and low traffic but in high mobility and high traffic environment ZRP performs well than OLSR and AODV

Keywords: MANET, AODV, OLSR, ZRP, routing

DOI: https://doi.org/10.15623/ijret.2013.0208058