High availability data processing system and method using finite

Details High availability data processing system and method using finite High availability data processing system and method using finite

1994-01-19

1996-08-06

Voeltz, Emanuel T.

Boots, shoes, and leggings

364550, 3951821, 39518209, G06F 1130

Patent

active

055440770

ABSTRACT:
The invention is a high availability data processing system. It includes a primary processor at a first node of a communications network with a serial data stream, having failure detection logic therein, for outputting an alarm signal to the network having a characteristic pattern indicating a failure in the primary processor. The invention further includes a first standby processor at a second node of the communications network, having a first event driven interface therein coupled to the network, for detecting the alarm signal. When the characteristic pattern is detected by the event driven interface, switch over logic in the first standby processor, invokes primary status in the first standby processor.

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