An End-to-End Approach for QoS-Aware Service Composition

被引：41

作者：

Rosenberg, Florian ^{[1
]}

Celikovic, Predrag ^{[1
]}

Michlmayr, Anton ^{[1
]}

Leitner, Philipp ^{[1
]}

Dustdar, Schahram ^{[1
]}

机构：

[1] Vienna Univ Technol, Distributed Syst Grp, A-1060 Vienna, Austria

来源：

EDOC: 2009 IEEE INTERNATIONAL ENTERPRISE DISTRIBUTED OBJECT COMPUTING CONFERENCE | 2009年

关键词：

D O I：

10.1109/EDOC.2009.14

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A simple and effective composition of software services into higher-level composite services is still a very challenging task. Especially in enterprise environments, Quality of Service (QoS) concerns play a major role when building software systems following the Service-Oriented Architecture (SOA) paradigm. In this paper we present a composition approach based on a domain-specific language (DSL) for specifying functional requirements of services and the expected QoS in form of constraint hierarchies by leveraging hard and soft constraints. A composition runtime will resolve the user's constraints to find an optimized composition semi-automatically. To this end we leverage data flow analysis to generate a structured composition model and use two different techniques for the optimization, a constraint programming and an integer programming approach.

引用

页码：151 / 160

页数：10

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