Quality factors of business value and service level measurement for SOA

This paper presents the quality factors of web services with definition, classification, and sub-factors for business and service level measurement. Web services, main enabler for SOA, usually have characteristics distinguished from general stand-alone software. They are provided in different ownership domain by network. They can also adopt various binding mechanism and be loosely-coupled, platform independent, and use standard protocols. As a result, a web service system requires its own quality factors unlike installation-based software. For instance, as the quality of web services can be altered in real-time according to the change of the service provider, considering real-time property of web services is very meaningful in describing the web services quality. This paper focuses especially to the two quality factors: business value and service level measurement, affecting real world business activities and a service performance.