DSI: distributed service integration for service grid

Authors:
GuangWen Yang;ShuMing Shi;DingXing Wang;QiFeng Huang;XueZheng Liu
Affiliations:
Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China;Department of Computer Science and Technology, Tsinghua University, Beijing 100084, P.R. China
Venue:
Journal of Computer Science and Technology - Grid computing
Year:
2003

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Abstract

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.