Date Added: Jan 2012
P2P networks are playing an important role in current scenario of unstructured networks. P2P network supports various applications and taking the advantage over the centralize search system .Centralize search systems suffer from the problems of single point of failure, low availability, denial of service attacks. Searching of the required data is a vital issue in the P2P network. Many methods have been implemented for searching in P2P network such as Flooding, Random Walk, Expanding Ring or Iterative deepening, K-Walker Random Walk, Two Level K Walker Random Walk, etc.