(1) In a z/OS environment, the structure that associates all processes that are involved in a unit of work.
(2) In telephony, a customer service person whose job is to handle incoming or outgoing telephone calls.
(3) A function that represents a requester to a server.
(4) In the two-phase commit protocol, a node at the bottom of the transaction programme network hierarchy.
(5) An entity that represents one or more objects by (a) sending notifications regarding events and (b) handling requests from managers to modify or query the objects.
(6) A programme that performs a specific service, such as data collection, without user intervention or on a regular schedule. See also common agent, subagent.
(7) A separate process or thread that carries out all DB2 requests that are made by a particular client application. See also engine dispatchable unit.
(8) In a two-phase commit syncpointing sequence (LU6.2 or multiregion operation (MRO)), a task that receives syncpoint requests from an initiator.
(9) A programme that performs a series of automated tasks according to a set schedule or at the request of a user. An agent consists of three components: the trigger (when it acts), the search (what documents it acts on), and the action (what it does).