On the Performance of a Retransmission-Based Synchronizer

Thomas Nowak 1, * Matthias Függer 2 Alexander Kößler 2
* Auteur correspondant
1 DYOGENE - Dynamics of Geometric Networks
DI-ENS - Département d'informatique de l'École normale supérieure, Inria Paris-Rocquencourt, CNRS - Centre National de la Recherche Scientifique : UMR8548
Abstract : Designing algorithms for distributed systems that provide a round abstraction is often simpler than designing for those that do not provide such an abstraction. Further, distributed systems need to tolerate various kinds of failures. The concept of a synchronizer deals with both: It constructs rounds and allows masking of transmission failures. One simple way of dealing with transmission failures is to retransmit a message until it is known that the message was successfully received. We calculate the exact value of the average rate of a retransmission-based synchronizer in environments with probabilistic message loss, within which the synchronizer shows nontrivial timing behavior. We show how to make this calculation efficient, and present analytical results on the convergence speed. The theoretic results, based on Markov theory, are backed up with Monte Carlo simulations.
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Theoretical Computer Science, Elsevier, 2013, 509, pp.25-39. 〈10.1016/j.tcs.2012.04.035〉
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Thomas Nowak, Matthias Függer, Alexander Kößler. On the Performance of a Retransmission-Based Synchronizer. Theoretical Computer Science, Elsevier, 2013, 509, pp.25-39. 〈10.1016/j.tcs.2012.04.035〉. 〈hal-00993470〉

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