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Emulating Shared-Memory Do-All Algorithms in Asynchronous Message-Passing Systems

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Emulating Shared-Memory Do-All Algorithms in Asynchronous Message-Passing Systems
A fundamental problem in distributed computing is performing a set despite failures and delays. Stated abstractly, the problem is to perform N tasks using P failure-prone processors. This paper studies the efficiency of emulating shared-memory task-performing algorithms on asynchronous message-passing processors with quantifiable message latency. Efficiency is measured in terms of work and communication, and the challenge is to obtain subquadratic work and message complexity. While prior solutions assumed synchrony and constant delays, the solutions given here yields subquadratic efficiency with asynchronous processors when the delays and failures is suitably constrained. The solutions replicate shared objects using a quorum system, provided it is not disabled. One algorithm has subquadratic work and communication when the delays and the number of processors, K, owning object replicas, are O(P0.41 ). It tolerates K−1 2 crashes. It is also shown that there exists an algorithm that...
Dariusz R. Kowalski, Mariam Momenzadeh, Alexander
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2003
Where OPODIS
Authors Dariusz R. Kowalski, Mariam Momenzadeh, Alexander A. Shvartsman
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