Given the size and the multiple components involved in building an integrated telecommunications network, it stands to reason that a certain level of service and maintenance of the network is required to keep it running without interruption.
Preventive maintenance is ongoing.
It requires testing and checking the network regularly to ensure that no incomplete areas exist. If a problem is found early, it can often be repaired or replaced without ever causing a disruption of service. Another aspect of maintenance falls under the category of emergency restoration. A full turnkey solution is often required in an emergency situation. Project Management 2.