Network device and method of operation

Details Network device and method of operation Network device and method of operation

2006-01-26

2008-10-28

Wilson, Yolanda L (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C703S023000

Reexamination Certificate

active

07444539

ABSTRACT:
A network device to maintain resource management within a network may comprise an emulator or watchdog that may send an emulation request to a resource manager for emulating a request of a client. Operability of the resource manager may be identified based on a reply of the resource manager to the emulation request. If the resource manager does not provide a response within a given time frame, then the watchdog may identify a failure condition for the resource manager. The watchdog may then initiate corrective actions for replacing the resource manager with a backup server responsive to identifying the fail condition.

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patent: 5675723 (1997-10-01), Ekrot et al.
patent: 6068661 (2000-05-01), Shari
patent: 6324590 (2001-11-01), Jeffords et al.
patent: 6427170 (2002-07-01), Sitaraman et al.
patent: 6587969 (2003-07-01), Weinberg et al.
Cisco RPMS Concepts, Aug. 12, 2001.
Cisco RPMS System Architecture, Jul. 10, 2001.

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