Abstract
The most important application of MANETs is to maintain anonymous communication in attacking environment. Though lots of anonymous protocols for secure routing have been proposed, but the proposed solutions happen to be vulnerable at some point. The service rejection attacks or DoS, timing attacks makes both system and protocol vulnerable. This paper studies and discuss about the various existing protocols and how efficient they are in the attacking environment. The protocols such as, ALARM: Anonymous Location-Aided Routing in Suspicious MANET, ARM: Anonymous Routing Protocol for Mobile Ad Hoc Networks, Privacy-Preserving Location-Based On-Demand Routing in MANETs, AO2P: Ad Hoc on-Demand Position-Based Private Routing Protocol, Anonymous Connections. In this paper we propose a new concept by combining two proposed protocols based on geographical location based: ALERT which is based mainly on node-to-node hop encryption and bursty traffic. And Greedy Perimeter Stateless Routing (GPSR), a new geographical location based protocol for wireless networks that uses the router's position and a packet's destination to make forwarding of packets. It follows greedy method of forwarding using the information about the immediate neighboring router in the network. Simulation results have explained the efficiency of the proposed DD-SARP protocol with improved performance when compared to the existing protocols.
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