On-demand hypermedia/multimedia service using pre-orchestrated scenarios over the In- ternet
نویسندگان
چکیده
In this paper we present a unified approach for delivering hypermedia/multimedia objects over broadband networks. The described service consists of several multimedia servers and a set of functions that intend to present to the end user interactive information in real-time. The hypermedia documents are structured using a hypermedia markup language that keeps information of the spatiotemporal relationships among document’s media components. In order to deal with the variant network behavior, buffering manipulation mechanisms and grading of the transmitted media quality techniques are proposed to smooth presentation and synchronization anomalies. RÉSUMÉ: Dans ce document nous présentons une approche unifiée pour la fourniture d’objets hypermédias/multimédias sur des réseaux à larges bandes. Le service décrit est constitué de plusieurs serveurs multimédias ainsi que d’un ensemble de fonctions qui visent à présenter à l’utilisateur final une information interactive en temps réel. Les documents hypermédias sont structurés en utilisant un language “mark-up” qui garde l’information sur les liens spaciotemporels entre les différents composants des médias du document. Afin de faire façe à la réaction variable du réseau, des mécanismes de protection contre des erreurs de manipulation ainsi que des améliorations des qualités tecniques des médias transmis sont proposés. Ils visent à atténuer les anomalies de présentation et de synchronisation.
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A Framework for a Distributed Information Service Using Hypermedia/multimedia Pre-orchestrated Scenarios
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