Asymmetric Prevention Based Techniques In Ad-Hoc Networkss

Abstract

A mobile ad hoc network is a infrastructure - less and autonomous network where so co operation among nodes is important since in such networks nodes depend on each other for forwarding packets. However, cooperation in such operations consumes nodes en ergy and resources. Therefore, it is necessary to design incentive mechanisms to enforce nodes to forward packets when the source and destination of the packet are other nodes in the network. Routing is a key issue in wireless networks and it has been the topic o f extensive research in the last few years. Prevention Techniques provides solutions that are designed such that malicious nodes are originated from actively init iating attacks. The prevention mechanisms need encryption techniques to give authentication, integrity, confidentiality and non repudiation of routing information. Among all of the recent preventive approaches, few proposals utilize symmetric algorithms, few utilize asymmetric algorithms, however the others utilizes one - way hashing, each particular having distinguish trade - offs and goals.