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For the problems of complex queries, load balance and routing efficiency in structured P2P networks based on DHT, a protocol is presented for text retrieval on the basis of Kleinberg small world model. In this protocol, nodes are clustered to support complex query according to the similarity of nodes, and the grouped nodes could adjust their size to balance the load of networks. Routing path length...
File replication and file consistency maintenance are two important protocols for achieving overall high performance of peer-to-peer file sharing systems. In spite of the significant dependency of consistency maintenance on file replication, there has been little file replication research devoted to tackling the dependency issue. Most traditional file replication protocols focus on improving file...
In decentralized P2P networks, many security mechanisms still rely on a central authority. This centralization creates a single point of failure and does not comply with the P2P principles. We previously proposed a distributed PKI for P2P networks which allows to push security mechanisms to the edges of the network but relies on unaffordable maintenance operations using byzantine agreements. In this...
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