Path protection in a telecommunications network

Details Path protection in a telecommunications network Path protection in a telecommunications network

1996-10-29

1998-10-13

Ton, Dang

Multiplex communications

Fault recovery

Bypass an inoperative channel

H04J 116

Patent

active

058222995

ABSTRACT:
Path protection is provided in a transmission equipment or node of a synchronous network in which traffic is carried in virtual containers within frames. Path protection is provided between first and second ingress points and an egress point by embedding an encoded measure of the respective path quality within a pointer associated with each frame. This measure temporarily replaces a set of pointer bits which are subsequently regenerated. At the egress point the quality measures of the two paths are compared and the higher quality path is selected.

REFERENCES:
patent: 5537394 (1996-07-01), Abe et al.
patent: 5619532 (1997-04-01), Tani et al.

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