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Analysis of quorum-based protocols for distributed (k+1)-exclusion

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3 Author(s)
Agrawal, D. ; Dept. of Comput. Sci., California Univ., Santa Barbara, CA, USA ; Egecioglu, O. ; Abbadi, A.

A generalization of the majority quorum for the solution of the distributed (k+1)-exclusion problem is proposed. This scheme produces a family of quorums of varying sizes and availabilities indexed by integral divisors r of k. The cases r=1 and r=k correspond to known majority based quorum generation algorithms MAJ and DIV, whereas intermediate values of r interpolate between these two extremes. A cost and availability analysis of the proposed methods is also presented. An interesting implication of this analysis is that in a reasonably reliable environment with a large number of sites, even protocols with low communication costs attain high availability

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:8 ,  Issue: 5 )