Emergence of multimedia applications requires that appropriate management and control activities be provided and organized in a somewhat integrated framework. Such issues as coordination of operations on the shared information, provision of the user requirements in terms of quality of service and efficient handling of the available network resources result in more critical problems when they regard multimedia objects. Mainly this is due to the time-constrained requirements that arise from the need of synchronization among multiple streams of information which are different in their nature and granularity. This paper discusses the impact of the above issues on network management and control and proposes an architectural model for the management and control of broadband applications that require handling of multimedia information.RésuméL émergence d’applications multimédias nécessite la mise en œ uvre appropriée de fonctions de commande et de gestion de réseau qui doivent être conçues de manière intégrée. Des aspects tels que la coordination des opérations sur les informations partagées entre utilisateurs, la définition des spécifications des usagers en termes de qualité de service et la gestion efficace des ressources posent des problèmes critiques lorsqu’ils concernent des applications multimédias. Ces problèmes résultent principalement des contraintes de temps issues des besoins de synchronisation entre les flux multiples d’informations ayant des caractéristiques différentes. Cet article analyse l’ impact de ces aspects sur la gestion et la commande des applications large bande nécessitant la prise en compte d’information multimédia.
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