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The modeling methodology, model specifications and development of CASI: CASE/Architecture Simulation Integration

This paper discusses the CASE/Architecture Simulation Integration (CASI, pronounced "CASEY"), methodology for integrating performance engineering architectural modeling information with CASE-based systems requirements analysis and design. The CASI approach is to embed data structures within a CASE tool so that the output of the CASE tool can serve as an input to an architectural modeling tool. Portions of a sample model, developed to show how the CASI data structures are embedded within the CASE based model, are presented. Also discussed are potential future directions where the CASI methodology may evolve.