Systems and methods for providing redundancy in...

Details Systems and methods for providing redundancy in... Systems and methods for providing redundancy in...

2005-01-19

2010-10-05

Rao, Seema S (Department: 2462)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S248000, C370S254000, C370S354000

Reexamination Certificate

active

07808893

ABSTRACT:
A system includes a first network device and a second network device. The first network device includes a group of first logical portions and is configured to detect a problem with one of the first logical portions, and transmit a message identifying the one first logical portion. The second network device includes a group of second logical portions, where the group of second logical portions corresponds to the group of first logical portions. The second network device is configured to receive the message from the first network device, and activate the one second logical portion corresponding to the one first logical portion in response to receiving the message.

REFERENCES:
patent: 6732186 (2004-05-01), Hebert
patent: 6954436 (2005-10-01), Yip et al.
patent: 7010716 (2006-03-01), Yu et al.
patent: 7328261 (2008-02-01), Husain et al.
Hinden et al Request for Comments 3768 Virtual Router Redundacy Protocol, Apr. 2004.
Cameron et. al. Configuring NetScreen Firewalls, 2004 ISBN:1932266399.
Hinden, R., “Virtual Router Redundancy Protocol (VRRP),” Nokia Networking Group Memo, Apr. 2004, pp. 1-27.

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