Servicebase Management Systems: A Three-Schema-Architecture for Service-Management

The development of service-oriented applications has reached a point where more specifications are needed to enable holistic transparent service-management. A three-schema-architecture for design of servicebase-management-systems according to the ANSI/SPARC-model for database design is proposed in this paper. The conceptual schema of the proposed architecture decribes the servicebase, what provides a consistent overview and simplifies the localization of services. The external schema is used to provide a consistent access to the servicebase by customers. The internal schema provides the concept of independence of implementation and execution of services. The architecture aims at offering a platform where service-vendors and servicecustomers have the chance to trade services with access and usage independence as well as implementation and execution independence based on a comprehensive and clear conception and architecture.