Method and apparatus for defining failover events in a...

Details Method and apparatus for defining failover events in a... Method and apparatus for defining failover events in a...

2006-03-07

2006-03-07

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C709S239000

Reexamination Certificate

active

07010716

ABSTRACT:
An user may define failover events in a network device by customizing the network device's response to a failure on the network. Specifically, an user may instruct the network device to activate or deactivate one or more interfaces, or undergo any number of additional communications, upon a perceived network failure or critical interface failure. This enables the network device to initiate or terminate connectivity with one or more network devices, as well as optionally performing failover to a standby network device, to enable the network device to more smoothly handle failover procedures and transition traffic to the network device that will be responsible for communication after failover has been effected.

REFERENCES:
patent: 6738345 (2004-05-01), Williamson
patent: 6763479 (2004-07-01), Hebert
patent: 2001/0056503 (2001-12-01), Hibbard
patent: 2002/0141332 (2002-10-01), Barnard et al.
patent: 2003/0140132 (2003-07-01), Champagne et al.
patent: 2003/0198182 (2003-10-01), Pegrum et al.
Extreme Standby Router Protocol, ExtremeWare Software User Guide, pp. 14-1 to 15-14.
Internet Engineering Task Force (IETF) Request For Comments (RFC) 2338, Virtual Router Redundancy Protocol, S. Knight, et al., Apr. 1998.

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