NDLI: Hierarchical Replica Location Service Based on Hybrid Overlay Platform

Content Provider	IEEE Xplore Digital Library
Author	Jianjin Jiang Guangwen Yang Yongwei Wu Wusheng Zhang Dingxing Wang
Copyright Year	2006
Description	Author affiliation: Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing (Jianjin Jiang; Guangwen Yang; Yongwei Wu; Wusheng Zhang; Dingxing Wang)
Abstract	An important problem that confronts data grid applications is to efficiently locate the node that stores a particular data replica. This paper proposes a hierarchical replica location service (HRLS) based on a hybrid overlay platform to address this problem. The system architecture of the HRLS is defined recursively. The granularity of nodes can be tuned flexibly according to system needs. Lookup messages can be resolved level by level moving gradually towards the destination node. There are two kinds of metadata; one is user-defined and the other is system-oriented. Every kind of data has its own bidirectional mapping rule for the metadata. This also helps system security because mapping rules and data can only be accessed by authenticated users. The HRLS has been implemented in an enterprise data grid which was spread over four cities. Results from measurement and the implemented system show that the HRLS successfully met the design goals
Starting Page	94
Ending Page	101
File Size	313966
Page Count	8
File Format	PDF
ISBN	0769526950
DOI	10.1109/GCCW.2006.52
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Information science Peer to peer computing Data security Scalability Laboratories Cities and towns Grid computing Control systems Application software
Content Type	Text
Resource Type	Article

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