Services
SQL Server also includes an assortment of add-on services. While these are not essential for the operation of the database system, they provide value added services on top of the core database management system. These services either run as a part of some SQL Server component or out-of-process as Windows Service and presents their own API to control and interact with them.
Service Broker
Used inside an instance, it is used to provide an asynchronous programming environment. For cross instance applications, Service Broker communicates The Service Broker, which runs as a part of the database engine, provides a reliable messaging and...
