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An Effective Distributed Search Technique for Unstructured Peer-to-Peer Networks


Sabu M. Thampi, Chandra Sekaran K


Vol. 8  No. 1  pp. 128-135


This paper presents an efficient distributed search technique for unstructured P2P networks. The scheme employs Q-learning, power peers, specialized peers, load balancing, and mobile agents. Walkers are selected from neighbors as well as power peers. Each search process updates Q-values of nodes in different Q-tables. The mobile agent based load balancing scheme assists to route the queries to least loaded power peers. The idea of TTL enhancement is followed for extending a search process. Simulation results show that the technique outperforms existing search schemes.


Q-learning, Searching, TTL, Unstructured P2P, Load balancing, Reinforcement Learning.