Real-Time VBR Video Teleconferencing
In this chapter, resource management and provisioning for VBR services will be described. The focus will be video teleconferencing1 (VT) services that are MPEG encoded. Unlike prerecorded video, VT is a real-time service and, consequently, more sensitive to end-to-end cell delay. Also for VT, a video encoder is present in the source-side user premises. VT connections will have substantially smaller bandwidth and playback buffer capacity requirements than the prerecorded video connections considered in Chapter 7.
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