Voting to establish a new network master device after a...

Details Voting to establish a new network master device after a... Voting to establish a new network master device after a...

2011-03-01

2011-03-01

Vu, Huy D (Department: 2461)

Multiplex communications

Fault recovery

C714S010000

Reexamination Certificate

active

07898937

ABSTRACT:
Embodiments of the invention can resolve conflicts between candidate master network devices such as may be encountered in a failover condition. In a common type of failover protocol, two or more candidate master devices send messages to each other prior to a failover condition. A witness device (or process or service) also casts a vote to prevent a stalemate condition between the two candidate master devices that could lead to an error condition where multiple masters, or no masters, are elected.

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Manolis Marazakis, Distributive systems: Fault tolerance, 41, Department of Computer Science, University of Crete.
Ben Hardekopf, Secure and fault-tolerant voting in distributive system, 10, Air force research laboratory, 525 brooks road Rome, NY 13441-4505.

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