Behavior Compatibility Analysis for Service Mashup with Model Checking

Abstract

In existing mashup environment, end-users take charge of the behavioral compatibility of mashup services. Actually, because of the limited ability of end-users in both programming technique and domain knowledge, they cannot always find the mismatch of services’ behavior. We present an automatic approach for analyzing the behavioral compatibility of service mashup with verification techniques of Communication Sequence Processes (CSP). The feature of this approach is that if a service process includes some incompatibilities, the counterexample would be returned to end-users to track the source of errors. In this approach, a Service Behavior Model (SBM) is presented to facilitate the modeling of services with CSP, and an automatic modeling approach is proposed for service processes through a modular way. Furthermore, two types of behavioral compatibility are introduced based on the development practice, and an automatic specification approach is presented for each type of compatibility properties. Finally, a case study is presented to analyze the behavioral compatibility based on our approach with PAT checker.