NDLI: Evaluation of message delay correlation in distributed systems

Content Provider	IEEE Xplore Digital Library
Author	Albeseder, D.
Copyright Year	2005
Description	Author affiliation: Embedded Comput. Syst. Group, Tech. Univ. Wien, Vienna, Austria (Albeseder, D.)
Abstract	Partially synchronous computational models fall in between synchronous models, which are demanding in terms of requirements but admit solutions to most of the important fault-tolerant distributed computing problems, and the purely asynchronous model, where this is not the case. The /spl otimes/-Model is a recently presented partially synchronous model close to pure asynchrony. It just assumes a bound on the ratio of maximum vs. minimum end-to-end delays of messages simultaneously in transit. This paper provides experimental evidence for the assumed correlation of end-to-end delays in some common type of distributed systems: using a comprehensive custom evaluation framework, we measured the end-to-end delays in a simple clock synchronization algorithm running on a fast-Ethernet network connecting Linux workstations. Our results reveal a significant correlation between maximum and minimum delay under several load conditions, and hence confirm that the bounded ratio assumption of the /spl otimes/-Model is well-founded.
Starting Page	139
Ending Page	150
File Size	380433
Page Count	12
File Format	PDF
ISBN	3902463031
DOI	10.1109/WISES.2005.1438722
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-20
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	HAMBURG UNIV OF TECH
Subject Keyword	Embedded computing Computational modeling Linux Broadcasting Workstations Distributed computing Delay Organizing Communication switching Clocks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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