Supporting real-time multimedia behaviour in open distributed systems: an approach based on synchronous languages

  • Authors:

  • G. Blair;M. Papathomas;G. Coulson;P. Robin;L. Hazard;J. Stefani;F. Horn

  • Affiliations:

  • Distributed Multimedia Research Group, Computing Department, Lancaster University, Lancaster LA1 4YR, UK;Distributed Multimedia Research Group, Computing Department, Lancaster University, Lancaster LA1 4YR, UK;Distributed Multimedia Research Group, Computing Department, Lancaster University, Lancaster LA1 4YR, UK;Distributed Multimedia Research Group, Computing Department, Lancaster University, Lancaster LA1 4YR, UK;Centre National d'Etude des Télécommunications, 38, 40 rue du Gal Leclerc, 92131 ISSY les Moulineaux, FRANCE;Centre National d'Etude des Télécommunications, 38, 40 rue du Gal Leclerc, 92131 ISSY les Moulineaux, FRANCE;Centre National d'Etude des Télécommunications, 38, 40 rue du Gal Leclerc, 92131 ISSY les Moulineaux, FRANCE

  • Venue:
  • MULTIMEDIA '94 Proceedings of the second ACM international conference on Multimedia
  • Year:
  • 1994

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Abstract

There is currently considerable interest in developing multimedia applications in open distributed systems. However, it is now becoming clear that existing architectures for open distributed systems do not support the particular requirements of continuous media types such as digital audio and video. This is particularly the case in the important areas of quality of service support and real-time synchronization. This paper presents results from the Sumo project which aims at supporting continuous media types within the framework defined by the draft Open Distributed Processing standard. The paper advocates the use of synchronous languages within this framework for specifying and implementing real-time synchronization and QoS monitoring. A computational model and the realization of an infrastructure supporting this view are presented.