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What is a Switched Virtual Circuit (SVC)?

April 26, 2017circuit svc virtual

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What is a Switched Virtual Circuit (SVC)?

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A. An SVC is an on-demand connection that is dynamically established by end devices through the Network-Network Interface (NNI) signaling method. There must be an ATM switch between the end-devices that dynamically route the call through the ATM cloud. Network operators do not have to manually configure every ATM switch in the path. If there is a link failure, the end-device must reinitiate the SVC call. SVCs are also torn down after being idle for a specified period of time (default idle time-out for Cisco routers is 300 seconds). Refer to these documents in order to learn how to configure SVCs on different Cisco platforms: • Configuring SVCs • Configuring RFC 1483 ATM SVCs Without ILMI for Address Registration • Configuring Classical IP over ATM in an SVC Environment on an ARM Module • Configuring SVCs, PVCs, Soft PVCs, PVPs, and VP Tunnels Note: SVC is also know as Switched Virtual Channel.