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Design of Protocol for Collaborative Multimedia Applications  

Hwang, Een-Jun (Information Communication, Graduate School of Ajou University)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.8, no.1, 2002 , pp. 25-35 More about this Journal
Abstract
Many multimedia presentation applications involve retrieval of objects from more than one collaborating server. Presentations of objects from different collaborating servers might be interdependent. This implies that objects should be retrieved from remote servers and delivered continuously according to given time constraints. Such applications need an estimate of the avaliable network resources to each of the collaborating servers and local system resources in order to identify a schedule for retrieving the objects composing the presentation. A collaborating server can suggest modifications of the retrieval schedule depending on its load. these modifications can potentially affect the retrieval schedule for other collaborating applications. Hence, a sequence of negotiations has to be carried out with the collaborating servers in order to commit for a retrieval schedule of the objects composing the presentation. In this paper, we propose an application sub-layer protocol, RLCP(Resource Lock Commit Protocol), for handling the negotiation and commitment of the resources required for a collaborative multimedia presentation and apply it to distributed video presentation application.
Keywords
Distributed Multimedia Presentation; Retrieval Schedule; Collaborating Server;
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