Titlebook: Specification and Analytical Evaluation of Heterogeneous Dynamic Quorum-Based Data Replication Schem; Christian Storm Book 2012 Vieweg+Teu

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alizes the latter by a comprehensive approach to the analytical evaluation of quorum-based data replication schemes. The system model allows to evaluate operation availability and other quality measures for the write as well as for the read operation..978-3-8348-2380-9978-3-8348-2381-6

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Introduction,d gained significant importance in our daily private and business life. The flip side of the coin is computer systems not only having caused economic damage but also failures that lead to loss of life [Neumann, 1994]. Thus, a key concern is the trustworthiness of such systems with respect to safety,

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Analytical Evaluation of Heterogeneous Dynamic Data Replication Schemes, to the resulting quality of the distributed system. Evaluation methods based on simulation are no good candidates because of their massive time complexity or, if run in an acceptable amount of time, their approximate nature of results. Contrarily, methods based on stochastic analysis are fast and a

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Example Evaluation,chapter is presented. These three data replication schemes are (1) homogeneous Dynamic Voting, (2) the homogeneous Dynamic Grid Protocol, and (3) a combination of both in terms of a heterogeneous dynamic data replication scheme, called ..

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Conclusion,mponents are (naturally) imperfect and subject to failures. Therefore, it is an important base concept to construct dependable distributed systems. In recent years, distributed systems have evolved from traditional statically deployed and fixed-sized systems to dynamic distributed systems. Their top

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Conclusion,ly adapt to changing topologies – and possibly also to changing application requirements – and this adaptation to be performed in a best-possible manner with respect to the quality measure trade-off the system is specified for and supposed to implement.