A service goes through several stages; it has a life cycle. The following figure shows the various stages of this life cycle:
You have already read about most stages throughout the book; you read about the identification and design of services in Chapter 3, Service Identification and Design and Chapter 7, Creating a Roadmap, How to Spend your Money and When?. In Chapter 5, The SOA Platform, Chapter 6, Solution Architectures, and Chapter 7, Creating a Roadmap, How to Spend your Money and When? you learned about the implementation of services. Apart from identifying, designing, and implementing a service, you also need to take into account the possibility of cleaning up services. Services can become obsolete, because they don't conform to the requirements anymore, because there are better alternatives or because nobody is using them anymore. The stages deprecated and retired are used for this. The following table explains the different life cycle stages of a service and who...