Data-flow Distribution in FICAS Service Composition Infrastructure
David Liu · 2002
This paper presents FICAS, a distributed data-flow infrastructure for composing software services into megaservices. We discuss the basic features of FICAS that enable the distribution of data-flows within megaservices. An autonomous service access protocol, ASAP, is defined to enforce the explicit separation of control-flows from dataflows of software services. We illustrate the procedure to construct and optimize megaservice execution plans that form distributed data-flows among collaborating services. The megaservice performance under FICAS is evaluated and compared with that under the centralized data-flow infrastructures. FICAS enhances the megaservice performance and is especially suitable for large-scale service composition.