From SSKE
In the 
SOA operational model, the service provider is the one that provides the services; it consists of a network-addressable entity that accepts and executes requests from consumers, while publishing its services and interface contract to the service registry in order to make the service discoverable.
SOA operational model, the service provider is the one that provides the services; it consists of a network-addressable entity that accepts and executes requests from consumers, while publishing its services and interface contract to the service registry in order to make the service discoverable.
