Runtime failure management of redundantly deployed hosts of...

Details Runtime failure management of redundantly deployed hosts of... Runtime failure management of redundantly deployed hosts of...

2004-09-16

2010-10-19

Beaufoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004110

Reexamination Certificate

active

07818615

ABSTRACT:
A redundant host pair runtime arrangement is disclosed for a process control network environment. The arrangement includes a primary network. A first partner of a fail-over host pair operates on a first machine communicatively connected to the primary network. The first partner hosts a set of executing application components in accordance with an active role assigned to the first partner. A second partner of the fail-over host pair operates on a second machine communicatively connected to the primary network. The second partner hosts a non-executing version of the set of executing application components in accordance with a standby runtime role. A monitoring process, operating separately upon the first machine, senses a failure of the first partner, and in response, initiates a notification to the second partner to take over the active role.

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