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PVC (permanent virtual circuit)

In a frame relay or ATM network, a virtual circuit that is permanently availble. PVCs are commonly used between hosts that communicate frequently. Unlike switched virtual circuits, PVCs are defined by the network operations center.

Additional resources

How DiffServ prioritizes frame traffic within a single PVC
Network World on Frame Relay, 11/09/00.

Hub vs. mesh PVC topologies
Network World on Frame Relay, 08/23/99.

Network World on Wide Area Networking
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