A Cooperative Multimedia Environment with QOS Control: Architectural and Implementation Issues

TitleA Cooperative Multimedia Environment with QOS Control: Architectural and Implementation Issues
Publication TypeTechnical Report
Year of Publication1996
AuthorsAlfano M, Radouniklis N
Other Numbers1049
KeywordsCooperative Multimedia Environment, Distributed Systems, Multimedia Applications, QoS, Quality of Service, Real Time
Abstract

A cooperative multimedia environment allows users to work remotely on common projects by sharing applications (e.g., CAD tools, text editors, white boards) and simultaneously communicate audiovisually. Several dedicated applications (e.g., MBone tools) exist for transmitting video, audio and data between users. Due to the fact that they have been developed for the Internet which does not provide any Quality of Service (QoS) guarantee, these applications do not or only partially support specification of QoS requirements by the user. In addition, they all come with different user interfaces.We have developed a Cooperative Multimedia Environment (CME) made up of Cooperative Multimedia Applications (COMMA), one for each user. A COMMA presents a user with a single interface that allows him to invite other users to a cooperative session, select the media services to be used in the session, and specify his Quality of Service (QoS) requirements for the media services throughout the session.In this work, we describe the architectural details of the CME and its componentents with particular emphasis to the QoS mapping and control mechanisms. We also present the design and implementation details of an experimental prototype that provides video, audio and white board services.

URLhttp://www.icsi.berkeley.edu/ftp/global/pub/techreports/1996/tr-96-040.pdf
Bibliographic Notes

ICSI Technical Report TR-96-040

Abbreviated Authors

M. Alfano and N. Radouniklis

ICSI Publication Type

Technical Report