Method and apparatus for controlling a multi-node process

摘要

This invention relates to a method and apparatus for controlling multi-node services. There is described a process broker for controlling a process between two or more clients and service registry comprising; a plurality of process templates, each process template representing a process to co-ordinate a service on nodes and comprising one or more steps for coordinating such a service with each node; means for receiving a message from a first node; means for selecting a process template and participating node/s in response to the message; means for envoking the process steps as defined in the selected process template on the selected nodes; and means for responding to the first node with a response of the type defined in the selected process template and based on the response from the participating node/s.