Abstract
MPEG video traffic is expected to represent most of the load in the future high-speed networks. Adequate traffic models for MPEG Variable Bit-Rate (VBR) video are important for network design, performance evaluation, admission control and resource allocation.
It is well-known that VBR video exhibits long-range correlations over arbitrarily long time-scales, a phenomenon usually referred to as Long-Range Dependence (LRD).
Many models for VBR video traffic have been proposed in the literature. However, while the correlation between Groups of Pictures (GOPs) has been widely analyzed in literature, little effort has been devoted up to now to the generation of the different frame-types within a MPEG GOP.
Due to the difficulty and complexity involved in this issue, this is often neglected even though it is a fundamental characteristic of MPEG traffic and it might have an important impact on queueing performance. In fact, many works avoid to descend to the frame level proposing models for the GOP process.
In this paper, we analyze the impact on queueing performance of different solutions proposed in the literature for generating the different types of MPEG frames within a GOP (these solutions have never been compared and analyzed jointly). In this way, we can be in a good position to use the best model for MPEG in terms of simplicity, computational efficiency and queueing performance, depending on the performance metric to study (loss rate, mean delay and jitter).
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Lopez-Ardao, J.C., Fernandez-Veiga, M., Rodriguez-Rubio, R.F., Lopez-Garcia, C., Suarez-Gonzalez, A., Teijeiro-Ruiz, D. (2003). Effect of the Generation of MPEG-Frames within a GOP on Queueing Performance. In: Yazıcı, A., Şener, C. (eds) Computer and Information Sciences - ISCIS 2003. ISCIS 2003. Lecture Notes in Computer Science, vol 2869. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39737-3_81
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DOI: https://doi.org/10.1007/978-3-540-39737-3_81
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