NDLI: A Distributed Workflow Mapping Algorithm for Minimum End-to-End Delay under Fault-Tolerance Constraint

Content Provider	IEEE Xplore Digital Library
Author	Qishi Wu Yi Gu
Copyright Year	2010
Abstract	Many large-scale scientific applications feature distributed computing workflows of complex structures that must be executed and transferred in shared wide-area networks consisting of unreliable nodes and links. Mapping these computing workflows in such faulty network environments for optimal latency while ensuring certain fault tolerance is crucial to the success of eScience that requires both performance and reliability. We construct analytical cost models and formulate workflow mapping as an optimization problem under failure rate constraint. We propose a distributed heuristic mapping solution based on recursive critical path to achieve minimum end-to-end delay and satisfy a pre-specified overall failure rate for a guaranteed level of fault tolerance. The performance superiority of the proposed mapping solution is illustrated by extensive simulation-based comparisons with existing mapping algorithms.
Starting Page	508
Ending Page	515
File Size	240336
Page Count	8
File Format	PDF
ISBN	9781424497270
ISSN	15219097
DOI	10.1109/ICPADS.2010.38
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computational modeling Fault tolerance Fault tolerant systems Computer networks Delay Complexity theory Computers fault tolerance distributed algorithm end-to-end delay scientific workflow
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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