Based on analysis of existing software process models, DualWaterfall software process model is brought forward, in which software quality modeling, analysis and feedback are integrated. The jobs of the Dual-Waterfall model in each phase, together with its advantages to existing software process modeling are illustrated. Moreover, techniques such as modeling patterns and modeling database to facilitate the software process are also specified.
An extended architecture with additional infor mation and roles of service-oriented architecture (SOA) based on service level agreement (SLA) is provided.
The main and appended roles in the extended architecture of SOA are described
when considering from business perspective. Based on the business relationship between
the business roles, the implementation of closed loop service management flow with feedback
mechanism using prepared and customized services is discussed.