Download e-book for iPad: Replication: Theory and Practice by Alan D. Fekete, Krithi Ramamritham (auth.), Bernadette

By Alan D. Fekete, Krithi Ramamritham (auth.), Bernadette Charron-Bost, Fernando Pedone, André Schiper (eds.)

ISBN-10: 3642112935

ISBN-13: 9783642112935

Replication is a subject of curiosity within the dispensed computing, dispensed structures, and database groups. even supposing those groups have characteristically checked out replication from diverse viewpoints and with assorted pursuits (e.g., functionality as opposed to fault tolerance), fresh advancements have ended in a convergence of those diversified objectives. the target of this state of the art survey isn't really to invest concerning the way forward for replication, yet quite to appreciate the current, to make an evaluation of roughly 30 years of analysis on replication, and to provide a complete view of the achievements made in this interval of time.

This publication is the end result of the seminar entitled A 30-Year standpoint on Replication, which was once held at Monte Verit� , Ascona, Switzerland, in November 2007. The e-book is geared up in thirteen self-contained chapters written by way of the general public who've contributed to constructing cutting-edge replication thoughts. It offers a complete view of latest options, from a theoretical in addition to from a pragmatic standpoint. It covers replication of processes/objects and of databases; replication for fault tolerance and replication for functionality - benign faults and malicious (Byzantine) faults - hence forming a foundation for either pros and scholars of disbursed computing, disbursed platforms, and databases.

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A simple instantiation of quorums is the following. There are n processes, of which fewer than n/2 are allowed to crash. Quorums then are all sets that have n+1 2 processes. It is easy to verify that this construction satisfies Consistency and Availability. 2 Stake Replication In Stake Replication (SR), the division of labor between clients and servers is much different from before. The servers are still responsible for ordering client operations and making sure that there is a persistent history of deltas.

Sci. 31(3), 355–374 (1985) 6. : Epidemic algorithms for replicated database maintenance. In: Proc ACM Conference on Principles of Distributed Computing (PODC’87), pp. 1–12 (1987) 7. : Proving sequential consistency of highperformance shared memories (extended abstract). In: SPAA ’91: Proceedings of the third annual ACM symposium on Parallel algorithms and architectures, pp. 292–303. ACM Press, New York (1991) 8. : Linearizability: a correctness condition for concurrent objects. ACM Trans. Program.

However, if a message sent to this group, may (or may not) sometimes also be sent to a different group of servers, destinations of messages may differ and overlap, and the term “multicast” is used. 1 Consensus One dimension of modularity in the context of replication is the use of atomic broadcast. Another dimension of modularity is to identify an abstraction that simplifies the implementation of atomic broadcast. This abstraction is the consensus problem, which encapsulates the hard part of the implementation of atomic broadcast.

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Replication: Theory and Practice by Alan D. Fekete, Krithi Ramamritham (auth.), Bernadette Charron-Bost, Fernando Pedone, André Schiper (eds.)


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