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Please use this identifier to cite or link to this item: http://hdl.handle.net/1813/7330
Title: Failure Detection and Consensus in the Crash-Recovery Model
Authors: Aguilera, Marcos Kawazoe
Chen, Wei
Toueg, Sam
Keywords: computer science
technical report
Issue Date: Jun-1998
Publisher: Cornell University
Citation: http://techreports.library.cornell.edu:8081/Dienst/UI/1.0/Display/cul.cs/TR98-1676
Abstract: We study the problems of failure detection and consensus in asynchronous systems in which processes may crash and recover, and links may lose messages. We first propose new failure detectors that are particularly suitable to the crash-recovery model. We next determine under what conditions stable storage is necessary to solve consensus in this model. Using the new failure detectors, we give two consensus algorithms that match these conditions: one requires stable storage and the other does not. Both algorithms tolerate link failures and are particularly efficient in the runs that are most likely in practice --- those with no failures or failure detector mistakes. In such runs, consensus is achieved within 3d time and with 4n messages, where d is the maximum message delay and n is the number of processes in the system.
URI: http://hdl.handle.net/1813/7330
Appears in Collections:Computer Science Technical Reports

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