(1) A TCP/IP port number.
(2) In the Kerberos protocol, a software server that has been assigned a principal name and is registered with the key distribution center (KDC).
(3) In network architecture, a capability of a given layer and the layers below it that is provided to the layer above. The service of a given layer is provided at the boundary between this layer and the next higher layer. (T)
(4) Work performed by a server. A service can be a simple request for data to be sent or stored (as with file servers, HTTP servers, or e-mail servers), or it can be more complex work (as with print servers or process servers).
(5) A component that accepts as input a message, and processes the message; for example, translates its payload into a different format, or routes it to one of several output queues. In WebSphere BI for FN, most services are implemented as WebSphere MQ Integrator message flows or primitives.
(6) An abstract representation of a business function, hiding the specifics of the function interfaces.
(7) A program that performs a primary function within a server or related software.
(8) In service-oriented architecture, a unit of work accomplished by an interaction between computing devices.
(9) A component type in the Tivoli Data Warehouse that is created by the IBM Tivoli Business Systems Manager product, displayed in the Executive Console, and provides independent status for associated SLAs based on violation and trend events.