Data grid model based on structured P2P overlay network

Authors:
Wei Song;Yuelong Zhao;Wenying Zeng;Wenfeng Wang
Affiliations:
School of Computer Science and Engineering, South China University of Technology, Guangzhou, China and Faculty of Computer, Guangdong University of Technology, Guangzhou, China;School of Computer Science and Engineering, South China University of Technology, Guangzhou, China;School of Computer Science and Engineering, South China University of Technology, Guangzhou, China;School of Computer Science and Engineering, South China University of Technology, Guangzhou, China
Venue:
APPT'07 Proceedings of the 7th international conference on Advanced parallel processing technologies
Year:
2007

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Abstract

Data Grid provides integrated view of distributed data scattered across networks. Current Data Grid systems are centrally controlled. In this paper, we present a structured P2P based Data Grid model(P-DataGrid Model, PDG) which makes use of construction and routing algorithms of P-Grid, a structured P2P system . PDG is organized as virtual multi-branch tree with binary tree as main body. Formal description of PDG is firstly introduced. Then we discuss the realization issues of PDG such as establishment of model, data storage service, information service, etc. Among these issues, our emphasis is on joining of nodes, registration and location of replica. Furthermore, we analyze the successful probability of location. Constructing Data Grid on structured P2P overlay can bring great advantages of scalability, decentralized control and reliability.