| 摘要 |
<p>A consumer network (136) includes a computer (132) which may be connected to the internet, and a number of television receivers (120i) connectible to receive broadcast programming by way of the network. The network (136) has a limited capacity to handle a maximum amount of communications traffic. A network performance assessor (200) is provided to monitor performance information of the network (136). If the network performance assessor (200) identifies that the network is at, or is approaching, maximum capacity it modifies the performance of the network. For example, the format of video being received by the network, and/or the rate of communication, and/or the communication path, may be changed to avoid degradation of viewed programming.
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