Real-time groupware in the browser: testing the performance of web-based networking

  • Authors:

  • Carl A. Gutwin;Michael Lippold;T. C. Nicholas Graham

  • Affiliations:

  • University of Saskatchewan, Saskatoon, SK, Canada;University of Saskatchewan, Saskatoon, SK, Canada;Queen's University, Kingston, ON, Canada

  • Venue:
  • Proceedings of the ACM 2011 conference on Computer supported cooperative work
  • Year:
  • 2011

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Abstract

Standard web browsers are becoming a common platform for delivering groupware applications, but until recently, the only way to support real-time collaboration was with browser plug-ins. New networking approaches have recently been introduced - based on re-purposed techniques for delivering web pages (Comet), or integration of real-time communication directly into the browser (HTML5 WebSockets). Little is currently known, however, about whether these new approaches can support real-time groupware. We carried out a study to assess the performance of the three different networking approaches, based on a framework of groupware requirements, in several network settings. We found that web-based networking performs well - better than plug-in approaches in some cases - and can support the communication requirements of many types of real-time groupware. We also developed two groupware applications using Comet and WebSockets, and showed that they provided fast and consistent performance on the real-world Internet. Our studies show that web-based networking can support real-time collaboration, and suggest that groupware developers should consider the browser as a legitimate vehicle for real-time multi-user systems.