A Workflow-Based Failure Recovery in Web Services Composition

Omid Bushehrian; Salman Zare; Navid Keihani Rad

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A Workflow-Based Failure Recovery in Web Services Composition

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In previous researches in the field of supporting reliability and fault tolerance in web service composition, only low level programming constructs such as exception handling (for example in WSBPEL) were considered. However we believe that the reliability and fault tolerance for composite services must be handled at a higher level of abstraction, i.e. at the workflow level. Therefore a language and technology independent method for fault-tolerant composition of web services is needed. To do this, a fault tolerant workflow is built in which the execution order of the services is determined such that upon a service failure a recovery process with the lowest cost is started. The cost of a service failure includes the cost of failed service and the total costs of roll-baking the previously executed services which are dependent on the failed service. In this article a FSP language is applied to formally specify the workflow.

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《软件工程与应用（英文）》 |2012年第2期|89-95|共7页
作者
Omid Bushehrian; Salman Zare; Navid Keihani Rad;
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作者单位

Department of Computer Engineering and IT;

Shiraz University of Technology;

Shiraz;

Iran;

Department of Computer Engineering and IT;

Tehran University;

Kish;

Iran;

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原文格式 PDF
正文语种 chi
中图分类计算机的应用;
关键词
Fault; Tolerance; Service; Oriented; Architecture; Service; Composition; Finite; State; Process;

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2. Dynamic services selection algorithm in Web services composition supporting cross-enterprises collaboration [J] . 胡春华 ,陈晓红 ,梁昔明 . 中南大学学报 . 2009,第002期
3. Immune Algorithm for Selecting Optimum Services in Web Services Composition [J] . GAO Yan NA Jun ZHANG Bin YANG Lei GONG Qiang DAI Yu . 武汉大学自然科学学报：英文版 . 2006,第1期
4. The Research and Design about Structure of Component Composition Based on Web Service [C] . Huawei YI . 第三届国际信息技术与管理科学学术研讨会 . 2011
5. Web Services Composition System Based on Jade [A] . SHAIMAA HASSAN MOHAMED . 2012

A Workflow-Based Failure Recovery in Web Services Composition

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