QoS BASED SELECTION ALGORITHMS FOR COMPOSITE DISTRIBUTED WEB SERVICES

被引:1
|
作者
El Saddik, Abdulmotaleb [1 ]
Liu, Deyang [1 ]
机构
[1] Univ Ottawa, Multimedia Commun Res Lab MCRlab, SITE, Ottawa, ON, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Distributed Web Services; Composition Techniques; Quality of Service;
D O I
10.1142/S0219265909002649
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We propose a web service selection framework by introducing a QoS-based cost function concept. We used this mechanism to choose a few web services from a given service community according to their cost function. Then, we compose them together to find the optimal composite service. The proposed selection algorithms consume only limited system resources and have the characteristics of efficiency, dynamics, and fault tolerance. Hence, the aim is to optimally select component services at run time according to users' preferences and non-functional parameters.
引用
收藏
页码:421 / 434
页数:14
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