A Real - Time Synchronization Mechanism for Distributed Multimedia Applications


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 7, No. 12, pp. 3785-3793, Dec. 2000
10.3745/KIPSTE.2000.7.12.3785,   PDF Download:

Abstract

Effective synchronization specification model which can specify temporal relationship among media resolving asynchronous problem due to variable network delay is necessary in a distributed multimedia system. Therefore in this paper, we propose RTPN(Real-Time Petri Net) synchronization specification model based on Petri Net for multimedia application in a distributed real time environment. The proposed RTPN model supplies a flexible decsription of the temporal relationship among various media objects by defining primary key media and relative key media according to delay and importance among media. Firing rule is instantly executed by firing function based on QoS values ,which supports intra-media and inter-media synchronization. And asynchronous control algorithm for resynchronization of presentation level is possible more effective supporting of QoS.


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Cite this article
[IEEE Style]
Y. S. Park, S. W. Lee, G. D. Chung, "A Real - Time Synchronization Mechanism for Distributed Multimedia Applications," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 12, pp. 3785-3793, 2000. DOI: 10.3745/KIPSTE.2000.7.12.3785.

[ACM Style]
Young Sook Park, Syung Won Lee, and Gi Dong Chung. 2000. A Real - Time Synchronization Mechanism for Distributed Multimedia Applications. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 12, (2000), 3785-3793. DOI: 10.3745/KIPSTE.2000.7.12.3785.