From SSKE
In the 
SOA operational model, the service requestor (or service consumer) is usually an application, a software module or another service that requires a different service. It initiates the enquiry of the service in the registry, binds to the service and executes its provided function according to the interface contract.
SOA operational model, the service requestor (or service consumer) is usually an application, a software module or another service that requires a different service. It initiates the enquiry of the service in the registry, binds to the service and executes its provided function according to the interface contract.
