Analysing the latency of WWW applications

A. Ruddle, C. Allison, P. Lindsay

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The factors, which contribute to the latency experienced by users of WWW applications are analysed. A decomposition of latency into its constituent parts is undertaken and a methodology for determining the contribution of each element is presented. The methodology is illustrated in a case study of the traffic associated with an operational distributed learning environment (DLE) serving six universities over a period of several months. Quality is key to the success of DLEs, and this includes an understanding of their relationship with the underlying networks and systems technologies upon which they are built. Delay, as experienced by the end user, is one of the key QoS parameters for a DLE. This paper describes techniques for identifying sources of such delay, and a model for its analysis. The analysis suggests that these techniques could be used as an early warning and advisory system for QoS aware applications.

Original languageEnglish
Title of host publicationProceedings - 10th International Conference on Computer Communications and Networks, ICCCN 2001
EditorsRonald Luijten, E.K. Park, Jenny Li
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages116-121
Number of pages6
ISBN (Electronic)0780371283
DOIs
Publication statusPublished - 2001
Event10th International Conference on Computer Communications and Networks, ICCCN 2001 - Scottsdale, United States
Duration: 15 Oct 200117 Oct 2001

Publication series

NameProceedings - International Conference on Computer Communications and Networks, ICCCN
Volume2001-January
ISSN (Print)1095-2055

Conference

Conference10th International Conference on Computer Communications and Networks, ICCCN 2001
Country/TerritoryUnited States
CityScottsdale
Period15/10/0117/10/01

Keywords

  • Application software
  • Delay
  • Image resolution
  • Network servers
  • Packaging
  • Quality of service
  • Technical Activities Guide -TAG
  • Uniform resource locators
  • Web server
  • World Wide Web

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