Young Kon Lee , Eun Ju Kim

The KIPS Transactions:PartD, Vol. 14, No. 3, pp. 319-328, Jun. 2007
10.3745/KIPSTD.2007.14.3.319,   PDF Download:

Abstract

As the coverage of Web services become wider and the number of implementation cases is growing, the importance of applying the Web services quality model to real world is increased. For maintaining the level of Web services quality, it should be required to study on assurance method of Web services quality level. Assurance for Web services, which is newly proposed by OASIS TC, means the totality of activities for managing the quality level of them. For managing Web service quality, Web service associates could usually use SLA(Service Level Agreement) method in which a service consumer contracts for some service level with a service provider and gives for penalty or pays incentives according to the result of evaluation of services. But, there are some difficulties in applying SLA to Web services, because Web services have publicity, multiple users, and 3rd party for management. So, we need a new assurance method for Web service by considering the characteristics of Web services. This paper provides the new concept of committed assurance level for Web services. This concept can be defined as the set of maximum level of quality expected by each user, which provide the consistent view of Web service quality. This paper presents the method for quality associates to preserve some quality level of Web service by using this concept.

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