Model-based services convergence and multi-clouds integration
Computers in Industry
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Aiming at the problems of system integration and cross-system interoperability, Service-oriented Architecture (SOA) provides a new integration method and system infrastructure. The key for SOA development and implementation is services encapsulating and orchestrating of applications through certain mechanism so as to operate a complex business. Current workflow technique, business process modelling notation (BPMN) and business process execution language (BPEL) have made very meaningful attempt in this field. But these process modelling technologies have semantics incompleteness when they describe processes in multi-platforms and multi-departments environment. Regarding service-oriented business process modelling technology as the kernel technology, this paper presents the concepts and expression method of process collaboration, proposes services orchestration solution based on process collaboration, specifies service models' expression method and service modelling process through case study, and points out the role of business process modelling in services orchestration.