active monitor


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Active Monitor

(networking)
A process in an IBM token ring network which ensures a token is present on the ring, removes circulating frames with unknown or invalid destinations, and performs introductions between machines on the ring.

active monitor

The station (network adapter) that controls the token in a Token Ring network. The active monitor, which is determined through a contention process, maintains clock synchronization and detects and corrects errors in the token framing. See Token Ring.
References in periodicals archive ?
The active monitors captured approximately twice as many bed bugs as the passive monitors (10% versus 5%, respectively), but given the experimental design this was not a statistically significant difference (F = 0.
Our recent experience seems to confirm my belief that if and when the men and women who sit on corporate boards come to truly believe that their duty -- not simply their legal duty but to a broader and more deeply felt civic duty -- demands that they act as active monitors of management's long-term performance, they will then begin to find ways to satisfy that obligation.
Active monitors, however, have three main disadvantages: the script they follow may bear little resemblance to how actual clients are using the application; without careful planning, active monitors have been known to congest network links and poorly written scripts can bring servers to their knees; and for geographically distributed organizations, deploying large numbers of active agents presents a costly configuration and maintenance challenge.