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Research on Routing Technology of Date Storage Based on P2P

Author: JiaoChuanBo
Tutor: YangYiXian
School: Beijing Jiaotong University
Course: Information Security
Keywords: Peer-to-peer network technology Network Storage Chord DHT Routing algorithm
CLC: TP393.02
Type: Master's thesis
Year: 2011
Downloads: 15
Quote: 0
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Abstract


With the increasing importance of information and how data security, easy to save to become a focus for researchers. Meanwhile, increasing of the network users and the network end system's capacity increased rapidly, so that people are increasingly aware of the importance of the storage resources end system contains. Network storage for data protection, the development of P2P (peer-to-peer) technology to provide new ideas and means it can take full advantage of the end system idle network resources. However, a huge number of end systems and data resources in the network, how to effectively search for and locate resources become critical P2P technology has practical application significance. P2P network storage routing algorithm has a very important significance. Research on P2P routing algorithm in this paper, the system, the comprehensive analysis and summary based on the design based on the improvement of the physical information the Chord model - ECPI model (Evolutionary the Chord based on Physical Information, based physical information improved the Chord algorithm). All the nodes in the present model classified according to the physical information from the different packets. Of all nodes in the Chord ring while nodes within each packet is composed of local Chord ring. Preservation and maintenance of the global routing table information and local routing table information on each node, in order to quickly find the desired data resources to establish a connection, transfer data, and store the data resource node. The model reflects the improved clarity able to pass the test experiments than the classic the Chord model search efficient simulation environment. Finally, the authors achieved a simple route model based on improved data storage system, the system is able to more efficiently complete the data storage and read functions. The model P2P technology used in network storage, and is designed to be innovative. First, the the classic Chord model basis, to match the physical topology and logical structure to minimize the physical distance between neighboring nodes in the group. Secondly, rationalization improved, so that the logical structure of the Chord model, the model can take advantage of the the node physical distance information to improve the efficiency of locating. Finally, after the improved routing table more redundant routing information, these redundant routing information necessary deletion of valid information in the routing table.

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