Systems control, in a communications system, is the control and implementation of a set of functions that:
- prevent or eliminate degradation of any part of the system,
- initiate immediate response to demands that are placed on the system,
- respond to changes in the system to meet long range requirements, and
- may include various subfunctions, such as
- immediate circuit utilization actions,
- continuous control of circuit quality,
- continuous control of equipment performance,
- development of procedures for immediate repair, restoration, or replacement of facilities and equipment,
- continuous liaison with system users and with representatives of other systems, and
- the provision of advice and assistance in system use.