George Gilder - Forbes ASAP Message Board

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Technology Stocks : George Gilder - Forbes ASAP

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To: Tim Bagwell who wrote (114)	9/30/1997 12:36:00 AM
From: John Biddle	of 5853

No. Bursting is a way to send a lot of data in a very short amount of time, but not over a sustained period. It can give excellent results when receivers have enough buffering capacity to handle the burst. In Isochronous transmission, the data is sent steady stream, x bits per millisecond, every millisecond. This makes for inexpensive transmission and receiver devices, but only works with low overhead in a switched network. A telephone call, and broadcast and cable television are good examples. Bursting would be like sending a second's worth of data in 10 milliseconds, then sending another seconds worth a little (less the a second) later. As long as the devices and connections can keep up this pace, everything can work over routed networks. It just requires that the receiver buffer the input and "play" it from the head end of the buffer at the required steady rate. With sufficient bandwidth, this technique minimizes overhead to manage all the isochronous flows. This would work very well for audio or video, as long as it does not need to be real time.

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