A Mobile ad-hoc network (MANET) is a temporary network set up by wireless mobile computers (or nodes) moving arbitrary in the places that have no network infrastructure. In this paper the AODV routing protocol in MANET will be discussed. Also various security threats on MANET will be discussed with our major concern on the Black Hole attack . In the later part of this paper there is a description of different radio propagation models and then compare their performance on AODV, with and without Black Hole attack.
Dedicated to Professor Jan Pluta on the occasion of his 70th birthday Blast-wave model is applied to describe the Hanbury-Brown-Twiss (HBT) radii of pionic systems produced in pp collisions at the LHC energies.
A mobile ad hoc network (MANET) is a collection of wireless mobile nodes communicating with each other using multi-hop wireless Links without any existing network infrastructure or centralized administration. It has been shown that using multiple paths to route messages between any sourcedestination pair of nodes (instead of using a single path) balances the load more evenly throughout the network. The common belief is that the same is true for ad hoc networks, i.e., multi-path routing balances the load significantly better than single-path routing. Our Protocol, called MPOLSR & MDART is a multipath routing protocol for MANET. In addition route recovery & loop detection are implemented in MPOLSR in order to improve quality of service regarding OLSR.MP-OLSR is suitable for mobile, large & dense network with large traffic & could satisfy critical multimedia applications with high on time constraints. While MDART is an efficient protocol which gives improved performance in large networks. MDART is an enhancement of shortest path routing protocol known as Dynamic Address Routing (DART).MDART discovers and stores multiple paths to the destination in the routing table. In this paper, we have compare and analysis the performance of proactive multipath routing protocols for MANET under different scenarios & metrices using NS-2.
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