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The Research on P2P-based Distributed Storage Technology

Author: HouMengShu
Tutor: LuXianLiang
School: University of Electronic Science and Technology
Course: Applied Computer Technology
Keywords: Distributed storage P2P network Replica management Trust mechanism Deterministic theory Incentives Dynamic Programming
CLC: TP393.02
Type: PhD thesis
Year: 2005
Downloads: 1587
Quote: 21
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Abstract


With the rapid development of Internet technology, the increasing number of users on the Internet and a wide distribution of data to the distributed storage technology has brought new challenges. On the other hand, with the rise of peer-to-peer computing model, a substantial increase in network bandwidth and Internet client system rapidly increasing computing power previously neglected client system becomes a valuable resource. How to make full use of these client systems in dynamic P2P network environment to build a large-scale, highly scalable, highly reliable, high-performance distributed storage system is one of the hotspots in recent years. Systematic and comprehensive study and summarize the latest research results on the P2P technology and distributed storage technology based on peer-to-peer distributed storage technology to expand the depth and meticulous research, a number of innovative and results. The main innovation of this study include: 1. Designed a P2P-based distributed storage system-PeerStore. PeerStore highly scalable peer-to-peer architecture, a large number of distributed nodes organized into a logical network, and take full advantage of the end of the system resources that had previously been overlooked, to build large-scale distributed storage system. PeerStore efficient structured P2P routing mechanism, dynamic adaptive replica management, trust and incentive mechanisms to provide users with efficient and reliable distributed storage services. 2 proposed a new distributed structured P2P routing algorithm PNS-PGrid. Recent studies show that the routing performance of the the proximity routing technology P2P network a great impact, therefore, the PNS-PGrid routing algorithm uses proximity routing technology node in constructing the routing table, select the distance near the node as a neighbor, to overcome the P-Grid routing algorithm to select the neighbors blindness, the P2P logical topology to reflect as much as possible node in the underlying physical topology, to reduce the search for and locate the routing delay and improve overall system performance. 3 proposes a new dynamic replica management mechanism DynRM. DynRM file popularity increased popularity of high copy number, select high-performance node to store a copy of a document, so that the system automatically adjusts the copy number of the copy storage location the node balance load and improve the availability of the file. 4 proposed trust model for P2P storage system based on deterministic theory. The models use to determine

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