NDLI: On the fly estimation of the processes that are alive/crashed in an asynchronous message-passing system

Content Provider	IEEE Xplore Digital Library
Author	Mostefaoui, A. Raynal, M. Tredan, G.
Copyright Year	2006
Description	Author affiliation: Rennes I Univ. (Mostefaoui, A.; Raynal, M.; Tredan, G.)
Abstract	It is well-known that, in an asynchronous system where processes are prone to crash, it is impossible to design a protocol that provides each process with the set of processes that are currently alive. Basically, this comes from the fact that it is impossible to distinguish a crashed process from a process that is very slow or with which communications are very slow. Nevertheless, designing protocols that provide the processes with good approximations of the set of processes that are currently alive remains a real challenge in fault-tolerant distributed computing. This paper proposes such a protocol. To that end, it considers a realistic computation model where the processes are provided with non-synchronized local clocks and a function alpha(). That function takes a local duration as a parameter, and returns an integer that is an estimate of the number of processes that can crash during that duration. A simulation-based experimental evaluation of the protocol is also presented. The experiments show that the protocol is practically relevant
Sponsorship	IEEE Comput. Soc. TC on Fault-Tolerant Comput. Univ. of California, Riverside
Starting Page	259
Ending Page	266
File Size	219931
Page Count	8
File Format	PDF
ISBN	0769527248
DOI	10.1109/PRDC.2006.48
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer crashes Protocols Fault tolerance Distributed computing Computational modeling Broadcasting Delay effects Clocks Face detection Upper bound
Content Type	Text
Resource Type	Article

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