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Dynamic logical structures: a position statement for managing replicated data

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

The authors discuss extensions to the grid protocol to improve the fault-tolerance of write operations by using the notions of structured read and write grid quorums. As is the case in the standard quorum protocols, the increased fault-tolerance for write operations is at the increased cost of executing read operations. In order to let users continue using the analogues of the read-one-write-all protocol in the context of a logical structure, they develop reconfiguration protocols for dynamically adapting to failures and recovery. This results in the following dichotomy. Users accesses are through the simple analogues of the read-one-write-all protocol with respect to a logical structure and therefore have low communication cost for read operations. On the other hand, the reconfiguration protocol uses the notion of quorums in the context of a logical structure to ensure high data availability. A similar approach can be applied to the tree protocol

Published in:

Management of Replicated Data, 1992., Second Workshop on the

Date of Conference:

12-13 Nov 1992