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A O(log2 n) fault-tolerant distributed mutual exclusion algorithm based on open-cube structure

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2 Author(s)
Helary, J.-M. ; IRISA, Rennes, France ; Mostefaoui, A.

A new distributed mutual exclusion algorithm, using a token and based upon an original rooted tree structure, is presented. The rooted tree introduced, named “open-cube”, has noteworthy stability and locality properties, allowing the proposed algorithm to achieve good performances and high tolerance to node failures: the worst case message complexity per request is, in the absence of node failures, log2 n+1 where n is the number of nodes, whereas O(log2n) extra messages in the average are necessary to tolerate each node failure. This algorithm is a particular instance of a general scheme for token and tree-based distributed mutual exclusion algorithms, previously presented in part by the authors; consequently, its safety and liveness properties are inherited from the general one

Published in:

Distributed Computing Systems, 1994., Proceedings of the 14th International Conference on

Date of Conference:

21-24 Jun 1994