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Network Operations Center (NOC) - Network Management
Center
Technical
Support Center (TSC)
Network Management
Center (NMC)
Customer Care Center
(CCC)
Each Network Management Center (NMC) performs network
monitoring, all systems and network engineering and tier 2 customer
technical support for a portion of the US Net network. Fail-over
measures allow each NMC to perform the other's functions in the
event of a major outage that would result in a NMC failure.
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