Performance of MANET using ALCC Algorithm K.Somu

Abstract — Mobile Ad Hoc Network is a collection of mobile nodes forming an ad hoc network without the assistance of any centralized structures. There are many protocols to improve data accessibility and reduce query delay in MANETs. Some of these protocols have adopted the cooperative caching scheme, allowing multiple mobile hosts within a neighbourhood to cache and share data items in their local caches. Cross-layer optimization has not been fully exploited to further improve the performance of cooperative caching. A cluster based cooperative caching scheme is proposed and a cross-layer design approach is employed to further improve the performance of cooperative caching and prefetching schemes. The cross-layer information is maintained in a separate data structure and is shared among network protocol layers. The experimental results in the NS-2 simulation environment demonstrate that the proposed approach improves caching performance in terms of data accessibility, query delay and query distance compared to the caching scheme that does not adopt the cooperative caching strategy. Keywords-MANETs, Cluster, data accessibility, cooperativ