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Rollback recovery in distributed systems using loosely synchronized clocks

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3 Author(s)
Z. Tong ; Bit 3 Comput. Corp., Minneapolis, MN, USA ; R. Y. Kain ; W. T. Tsai

A rollback recovery scheme for distributed systems is proposed. The state-save synchronization among processes is implemented by bounding clock drifts such that no state-save synchronization messages are required. Since the clocks are only loosely synchronized, the synchronization overhead can be negligible in many applications. An interprocess communication protocol which encodes state-save progress information within message frames is introduced to checkpoint consistent system states. A rollback recovery algorithm that will force a minimum number of nodes to roll back after failures is developed

Published in:

IEEE Transactions on Parallel and Distributed Systems  (Volume:3 ,  Issue: 2 )