What are the essential activities need to happen in any service-oriented environment

•Web service needs to be created, and its interfaces and invocation methods must be defined.
•Web service needs to be published to one or more intranet or Internet repositories.
•Web service needs to be located to be invoked by potential users.
•Web service needs to be invoked to be of any benefit.
•Web service may need to be unpublished when it is no longer available or needed.