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Peer-to-Peer network implements a new environment in database by query processing system. Nowadays, a key challenging for processing the queries and query answering technique. In this paper, the authors propose a research work on how query processing can be done in a P2P system efficiently by discovering the network topology, how the query can be processed in a database by using shortest path problem. Cryptographic algorithm is implemented for routing the queries in a secured manner. Compare to the previous work their proposed approach minimize the delay, fast access of queries and query routing process provide more security.
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