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Lecture XII: Replication

Lecture XII: Replication. CMPT 401 2008 Dr. Alexandra Fedorova. Replication. Why Replicate? (I) . Fault-tolerance / High availability As long as one replica is up, the service is available Assume each of n replicas has same independent probability p to fail. Availability = 1 - p n.

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Trustworthy Services from Untrustworthy Components: Overview

Trustworthy Services from Untrustworthy Components: Overview. Fred B. Schneider Department of Computer Science Cornell University Ithaca, New York 14853 U.S.A. Joint work with Lidong Zhou, Microsoft Research. Servers. Client. Fault-tolerance by Replication. The basic recipe …

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