| 摘要 |
A central office receives on-demand requests from customer premises for selected videos. For each request, a network manager determines a maximum aggregate bit rate of in-progress communications in a network between at least one video server and the central office. The maximum aggregate bit rate is based on associated upper bounds of bit rates for in-progress video downloads. The network manager determines if the network is capable of congestion-free communication of the selected video from the at least one video server to the central office concurrently with the in-progress communications based on a capacity of the network, the maximum aggregate bit rate, and an associated upper bound of bit rate for the selected video.
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