NDLI: Cooperative mixed strategy for service selection in service oriented architecture

Content Provider	IEEE Xplore Digital Library
Author	Yimin Shen Yushun Fan
Copyright Year	2007
Description	Author affiliation: Tsinghua Univ., Beijing (Yimin Shen; Yushun Fan)
Abstract	In service oriented architecture (SOA), service brokers could find many service providers which offer same function with different quality of service (QoS). Under this condition, users may encounter difficulty to decide how to choose from the candidates to obtain optimal service quality. This paper tackles the service selection problem (SSP) of time-sensitive services using the theory of games creatively. Pure strategies proposed by current studies are proved to be improper to this problem because the decision conflicts among the users result in poor performance. A novel cooperative mixed strategy (CMS) with good computability is developed in this paper to solve such inconstant-sum non-cooperative n-person dynamic game. Unlike related researches, CMS offers users an optimized probability mass function instead of a deterministic decision to select a proper provider from the candidates. Therefore it is able to eliminate the fluctuation of queue length, and raise the overall performance of SOA significantly. Furthermore, the stability and equilibrium of CMS are proved by simulations.
Starting Page	1452
Ending Page	1457
File Size	272740
Page Count	6
File Format	PDF
ISBN	9781424409907
DOI	10.1109/ICSMC.2007.4413993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-07
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Service oriented architecture Quality of service Game theory Collision mitigation Decision making Performance gain Dynamic programming Genetic algorithms Fuzzy logic Optimization methods
Content Type	Text
Resource Type	Article

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