METHOD FOR COORDINATING THE PROVISION OF A COMPOSITE SERVICE

摘要

A method for coordinating the execution of a composed service in a service execution coordination unit on request by a service composition server is disclosed, wherein the service is composed of at least a first and a second component service instance. The method comprises: receiving an instruction for invoking the first component service instance from the service composition server, receiving an instruction for invoking the second component service instance from the service composition server, contacting a respective one of the one or more application servers for invoking the first component service instance, and in response to receiving a service invocation result from invoking the first service automatically contacting the respective one of the of the one or more application servers for invoking the second of the one or more component service instances.