Let's first touch upon the life cycle of SOA, and briefly discuss each stage in the life cycle, before we get into the characteristics of SOA.
Any services are discoverable by having a clear set of communication standards such as WSDL, SOAP, REST, and so on, and therefore they are picked up for consumption.
Service design is the next critical item in which we need to find a proper pattern and deliver services as model-driven, business function-specific, testable in isolation, and so on, and the most common patterns are discussed in detail later in this chapter.
For any business or organization, after the functional design phase, it is important to have services that are developed, deployed, and consumed. However, unlike waterfall methodology (customer waits until all the components are developed), it is better if the service development and deployment happen...
