Abstract
The growing needs of multimedia communications are leading to new developments in providing real-time communication with guarantees. Several extensions have been proposed for different layers of the Open Systems Interconnection Reference Model to accomodate these needs. In this paper, we study methods for guaranteeing delay jitter bounds for high-speed networks in the network and application layers of this model. The method proposed for the network layer provides distributed jitter control. The method proposed for the application layer allows the destination application to control delay jitter. We use a simulation to compare the effects on delay jitter in each method for various scenarios, such as constant bit rate, cross traffic, and bursty data. In addition, the buffer space requirements for accommodating real-time channels are monitored at each node in the network.
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Sumathi Kadur completed a Bachelor of Engineering degree in Computer Science at Bangalore University. She then worked for Tata Consulting Engineers for 3 years as a Specialist Engineer in Communication Software. She received a Master of Science degree in Computer Science from Arizona State University in 1994. She is now working as a Network Software Engineer at Cell-net Data Systems.
Forouzan Golshani is a Professor of Computer Science and Engineering. Formerly, he was with the Department of Computing at Imperial College, University of London, UK. His research interests include multimedia computing, artificial intelligence, and database systems. His industrial experience has been with Bull Worldwide Information Systems, Intel, McDonnell Douglas, and Honeywell. Dr. Goshani is the Review Editor for IEEE MultiMedia. He received his PhD in Computer Science from the University of Warwick, England in 1982.
Bruce R. Millard is an Associate Research Scientist and the Director of System Integration and Management with the Information Technology Division of Arizona State University (ASU). He received his PhD in Computer Science from ASU in 1986. His earlier degrees are from Washington State University. His research and teaching interests are in distributed operating systems, the communications structure and programming of distributed computing systems, computer communication protocols, operating systems, computer networks, UNIX kernel internals, computer communication programming, and the structure and programming of distributed systems.
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Kadur, S., Golshani, F. & Millard, B. Delay-jitter control in multimedia applications. Multimedia Systems 4, 30–39 (1996). https://doi.org/10.1007/s005300050010
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DOI: https://doi.org/10.1007/s005300050010