Web Conferencing Traffic – An Analysis using DimDim as Example

International Journal of Computer Networks & Communications (IJCNC) Vol.2, No.6, November 2010

Abstract

In this paper, we present an evaluation of the Ethernet traffic for host and attendees of the popular open-source web conferencing system DimDim. While traditional Internet-centric approaches such as the MBONE have been used over the past decades, current trends for web-based conference systems make exclusive use of application-layer multicast. To allow for network dimensioning and QoS provisioning, an understanding of the underlying traffic characteristics is required.

We find in our exemplary evaluations that the host of a web conference session produces a large amount of Ethernet traffic, largely due to the required control of the conference session, that is heavily-tailed distributed and exhibits additionally long-range dependence. For different groups of activities within a web conference session, we find distinctive characteristics of the generated traffic.

Open Access

http://airccse.org/journal/ijc2010.html

http://airccse.org/journal/cnc/1110ijcnc01.pdf

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