Method and apparatus for achieving fast reconnection of...

Details Method and apparatus for achieving fast reconnection of... Method and apparatus for achieving fast reconnection of...

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 12/28 (2006.01) H04L 29/14 (2006.01)

Patent

CA 2274349

Rapid reestablishment of permanent virtual circuits (PVCs 15 1-15 6) between frame relay switches 12 1-12 4 in a frame relay (10) is accomplished by periodically polling the switches by a configuration controller (18) via an out-of-band connection to obtain PVC information from the switches. Should a fault occur, the fault is isolated and mitigated. Thereafter, the configuration controller (18) downloads the stored PVC information to the switches in parallel via the out-of-band connection to enable the switches to re-establish the PVCs quickly, rather than wait to do so via an in-band connection.

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