Provider edge-controlled redundancy using pseudo link...

Details Provider edge-controlled redundancy using pseudo link... Provider edge-controlled redundancy using pseudo link...

2011-08-23

2011-08-23

Kizou, Hassan (Department: 2472)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S464000, C370S465000, C370S466000, C370S467000

Reexamination Certificate

active

08004968

ABSTRACT:
In one embodiment, a system comprises a plurality of provider edge (PE) devices, the PE devices having a plurality of ports; and a pseudo-link aggregation control protocol (LACP) module instantiated for each of the ports. The pseudo-LACP module allows the PE devices to support dual-homing of an access side, the access side including either an access node or an access network, without running any control protocol for redundancy on the access side.

REFERENCES:
patent: 2005/0025157 (2005-02-01), Pennec et al.
patent: 2007/0121617 (2007-05-01), Kanekar et al.
patent: 2008/0101387 (2008-05-01), Wackerly
patent: 2008/0159311 (2008-07-01), Martinotti et al.
patent: 2008/0225695 (2008-09-01), Balus et al.
patent: 2009/0073989 (2009-03-01), Cai et al.
IEEE Std 802.3ad Section Three; “43. Link Aggregation”; 2005; pp. 285-349; IEEE; USA.

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