The load generated by new types of communications services related to udmultimedia and video transmission is becoming one of the major sources of traffic in WAN udnetworks. Modeling this type of load is a prerequisite for any performance study. In this udpaper, we approach the load-characterization problem from a global point of view by udanalyzing a set of 20 video streams. We developed resource-, subject-, and scene-oriented udcharacterizations of coded video streams.
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