Packet protection technique

Details Packet protection technique Packet protection technique

2006-07-11

2006-07-11

Rao, Seema S. (Department: 2666)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S225000, C370S389000, C370S392000

Reexamination Certificate

active

07075889

ABSTRACT:
A packet protection method allowing rapid restoration in case of fault occurrence without undesired reduction in efficiency on the use of network bandwidth is disclosed. In a packet protection network having a working route and a reserved route set therein, when a failure occurs, a router on the working route sends an incoming packet to be protected back to the ingress router. The ingress router forwards the packet to be protected to the reserved route so that the packet to be protected travels through the reserved route around the failure.

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