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Service Execution Time Estimation in Real-time SOA  

Kim, Yeo-Ja (동국대학교 전자계산학과)
Byun, Jeong-Yong (동국대학교 컴퓨터멀티미디어학과)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.15, no.7, 2009 , pp. 510-514 More about this Journal
Abstract
If the existing real-time systems are integrated based on SOA, real-time SOA should be developed. Generally, in real-time SOA a service can be divided into several small services and their estimated execution time is given by provider systems. However, an estimation, which analyzes time elements related to transmit and receive messages among requesters and providers, is needed. In order to enhance QoS of Web service, this paper proposes enhanced worst-case execution time estimation by considering WS-transaction and common use of multi-processors system.
Keywords
Relation of Worst-case execution time and processors; analysis of CPU execution time; analysis of DB execution time;
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