DSI: Distributed service integration for service grid

被引:9
作者
Yang, GW [1 ]
Shi, SM [1 ]
Wang, DX [1 ]
Huang, QF [1 ]
Liu, XZ [1 ]
机构
[1] Tsinghua Univ, Dept Comp Sci & Technol, Beijing 100084, Peoples R China
基金
中国国家自然科学基金;
关键词
grid; servise integration; double-layered DHT; UDDI;
D O I
10.1007/BF02948922
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents DSI, a distributed service discovery and integration utility for service grid. The goal of DSI is efficiently to improve service publishing, deletion and lookup, decentralized control, scalability, and availability. DSI comprises a logically global metadata pool and a double-layered DHT (Distributed Hash Table). Efficient service publishing and lookup are achieved by adopting DHT. Clean service deletion is guaranteed by time-stamping. And system availability is improved by replication combined with automatic indexer selection. Experiments show that DSI can achieve short response time, low processing cost and high availability.
引用
收藏
页码:474 / 483
页数:10
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