Abstract
Recently, there has been much interest in sending video over Broadband Integrated Services Digital Networks (B-ISDN) using Asynchronous Transfer Mode (ATM). ATM affords a flexible multiplexing and switching capability for integrated delivery of bursty traffic. As such, video can be transported either with a constant bit-rate (CBR) or with a variable bit-rate (VBR). VBR video has several potential advantages over traditional CBR video: improved image quality and shorter delay. In addition, through statistical multiplexing, improved channel allocation may be obtained compared to CBR transport.
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