An Improved Heuristic for QoS-aware Service Composition Framework

被引:7
|
作者
Luo Yuan-sheng [1 ]
Yong, Qi [1 ]
Shen Lin-feng [1 ]
Di, Hou [1 ]
Chanyachatchawan, Sapa [1 ]
Ying, Chen [2 ]
机构
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian, Peoples R China
[2] IBM Corp, China Res Lab, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1109/HPCC.2008.17
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Sevice Oriented Architecture (SOA) and Service Oriented Computing (SOC) are prevailing paradigms for sharing and reusing resources. Services composition is a methodology widely used in SOA and SOC to build new value-added services on primitive services on-the-fly to support online Business-to-Business collaborations. Requirements of customers to these composite services include functionality and non-functionality, the non-functionality of composite services, such as Quality of Services (QoS). is the important metrics to distinguish a service from each other and find an optimal program to meet the requirements of customers. This paper firstly proposes a system model from the view of resource and value, and then we introduce an improved heuristic algorithm for the selection of composite services with multiple constraints. The simulation experiments show an outerperforming result of proposal algorithm in both utility performance and time cost comparing with the other heuristic algorithms.
引用
收藏
页码:360 / +
页数:2
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