Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2011-08-23
2011-08-23
Baderman, Scott (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S011000, C714S012000, C714S047300, C714S048000
Reexamination Certificate
active
08006129
ABSTRACT:
In an example embodiment the occurrence of the split-brain condition in a High-Availability system, having active and standby processing units, is detected, its cause is diagnosed, and the cause is treated to prevent interruption of service. Diagnosis and treatment procedures are performed at the active processing unit prior to being performed at the standby processing unit.
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Cisco Systems, Nonstop Forwarding with Stateful Switchover on the Cisco Catalyst 6500, White Paper, 16 pages, copyright 2005 Cisco Systems, Inc., San Jose, CA; downloaded from the Internet: <http://www.cisco.com/application/pdf/en/us/guest/products/ps708/c1244/cdccont—0900aecd801c5cd7.pdf>.
Banks Donald E.
Frazer Frederick A.
Lewis Frederick G.
Theodossy Samer L.
Baderman Scott
Butler Sarai
Cisco Technology Inc.
Krueger Charles E.
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