An MOF2-based Services Metamodel.

Abstract

As Service-Oriented Computing is gaining mainstream adoption, Services are emerging as core-building blocks of today's applications. In particular, web services have become the most common technology manifestation of the service-oriented computing paradigm. Basic open-standards that enable web services such as WSDL, SOAP etc. have evolved and stabilized over a period of time. However issues such as service composition, policy definition and enforcement, support for semantics are among the few issues that still remain open. With increased adoption of service-oriented computing and rapidly evolving technologies and standards to address these open-issues, heterogeneity has emerged in service development approaches leading to complexity and risks. In this paper, we address this problem by introducing modeling abstractions that could be used in the early-stage service development lifecycle of web-based electronic services. We present a holistic approach to services modeling using six model views. These views represent different perspectives of services modeling and form our core Services Metamodel with a grounding in the formal foundations of MOF2.