Service registry and service repository
A service registry is used to describe processes, services, events, and important metadata. Consumers search a registry to find services they can use and retrieve information, such as the status of a service, the owner of a service, its endpoint location, and dependencies on other services. Registries can be compared to the yellow pages. Registries can be used at design-time for service discovery, but also at runtime for endpoint virtualization.
A service repository also stores artifacts of processes, services, and events such as WSDLs, XSDs, and other relevant documents.
The more mature and scaled-out an SOA gets and the more services you create and use, the more need there is to manage them using a registry or repository. You can read more about registries and repositories in Chapter 8, Life Cycle Management.
Canonical Data Model
Registries and repositories can also publish data definitions of processes, services, and events. The Canonical Data Model...
