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Maekawa considered a simple but suboptimal grid-based quorum generation scheme in which N sites in the network are logically organized in the form of a NxN grid, and the quorum sets are row-column pairs. Even though the quorum size 2N of the grid scheme is twice as large as finite projective plane with optimal sized quorums, it has the advantage of being simple and geometrically evident. Agrawal,...
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