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Articles by Chunzhi Wang
Total Records ( 2 ) for Chunzhi Wang
  Chunzhi Wang , Ruoxi Wang , Hongwei Chen and Ya Huang
  The process of trust negotiation is the one of the resource requester and resource provider exposing the certificate set and strategy set with each other. The network authentication model based on trust negotiation fulfills the P2P network security, privacy, efficiency and success. The negotiation model will be constructed by the trust game tree. When the negotiation succeeds, cache the certificate sequence and directly show the sequence to complete the negotiation in the next negotiation. But the complete caching sequence will lead a heavy burden and cause safety problems to the system, splitting negotiation process into multi-step and caching part of sequence to improve overall performance. This study builds the caching sequence model based on mixed static game theory and simulates the situation of the caching sequence on partial by introducing the ratio factor. Finally, verify the assumption via the simulation tools named Gambit.
  Hongwei Chen , Hui Xu , Chunzhi Wang and Ke Zhou
  Due to node’s behavioral analysis, grasping the inertia psychology of its behavior choice and considering whole influences of the network such as group selection, this study establishes the forecast mechanism in P2P network. In the process of network running and node communication, this mechanism carries on real-time surveillance to all nodes, according to the differences of network states and takes the corresponding incentive and penalty measure to the node, thus drives node well serve for the P2P network. This mechanism uses the Markov chain to forecast future development state of the network, combines the forecast of future node state shift situation and adopts more prompt and more effective measure to the network ahead of time. Summarizing the types of network state, each network state mechanism will have a correspond model which will carry on the drive to the node behavior.
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