(1) An entity that performs measurements to collect data pertaining to the performance, availability, reliability, or other attributes of applications or the systems on which the applications rely. These measurements can be compared to predefined thresholds. If a threshold is exceeded, administrators can be notified, or predefined automated responses can be performed.
(2) In a privacy management environment, an entity that checks PII-classified storage locations for attempts to submit data or retrieve data.
(3) In enterprise search, a user who has the authority to observe collection-level processes.
(4) A facility of the integration test client that listens for requests and responses that flow over the component wires or exports in the modules of a test configuration.
(5) In performance profiling, to collect data about an application from the running agents that are associated with that application.