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Extended Model Design for Quality Factor Based Web Service Management

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1 Author(s)
YunHee Kang ; BaekSeok Univ., Cheonan

Recently web services has played a key role in implementing enterprise-level applications based on Service Oriented Architecture (SOA). To achieve this goal, a realistic web service meets both functional and non-functional requirements of its consumers. But currently there is no standard that is capable of accurately representing quality factors of web services. To manage web services, it needs to monitors quality of them periodically or aperiodically when changing their status like availability, performance and security policy. We present an extended web services framework based on SOA structure for providing information about quality of web services and build a prototype- WebServiceBot for applying quality factors. To build the prototype, we firstly define a service description by using annotated WSDL with quality factors. The extended web services framework is used to determine appropriate web services which meet non-functional requirements. Using the proposed framework, we can improve worst-case predictability of applications using totally uncontrollable web services.

Published in:

Future Generation Communication and Networking (FGCN 2007)  (Volume:2 )

Date of Conference:

6-8 Dec. 2007