Mobile Ad-hoc Networks (MANETS) is a collection of wireless nodes without any infrastructure support. The nodes in MANET can act as either router or source and the control of the network is distributed among nodes. The nodes in MANETS are highly mobile and it maintains dynamic interconnection between those mobile nodes. MANTEs have been considered as isolated stand-alone network. This can turn the dream of networking "at any time and at any where" into reality. The main purpose of this paper is to study the issues in route discovery process in AODV protocol for MANET. Flooding of route request message imposes major concern in route establishment. This paper suggests a new approach to reduce the routing overhead during the route discovery phase. By considering the previous behaviour of the network, the new protocol reduces the unwanted searches during route establishment process.
Mobile Ad hoc network is a self organized, self maintained network. Node movement is the important factor of increasing the control overhead in the network. The main objective of the paper is to reduce the control overhead by using the domination set based routing. The nodes which use to connect all the other nodes in the network are called dominating nodes, and the set of dominating nodes forms domination set. This paper proposes a new approach for finding the route and reducing the reroute establishment delay and increasing the packet delivery ratio. The efficiency of the method is demonstrated through simulation study.
MANET (Mobile Ad Hoc Network) consists of mobile nodes having no fixed infrastructure. These networks have dynamic topology and all the nodes are in general autonomous. Normally network comprises of selfish individuals that are not willing to forward the packets but wants to forward their own messages. In ad hoc network throughput increases when all available nodes are used for routing and forwarding. So instead of avoiding selfish nodes from the routing path the network can effectively utilize all the existing nodes. In this research, selfishness of the nodes is studied and better security methods are proposed to ensure reliable delivery of messages. Simulation results shows that the proposed system ensures less message overhead, memory and time. Also it tries to improve the packet delivery ratio.
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