The network bandwidth available to the user, directly related to the page-download time, is normally taken for granted.

用户可用的网络带宽直接关系到页面下载时间，这一点常常被认为是理所当然的。

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Given the necessity for a Web-based UI and a fast response time over somewhat uncontrollable network bandwidth and traffic conditions, the following available choices were winnowed down in this order.

考虑到需要一个基于Web的UI，以及要对难以控制的网络带宽和流量作出快速响应，下面是根据这些要求逐级筛选。

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Available bandwidth is one of the important network resources, but it difficult to measure in practice.

可用带宽是重要的网络资源，但它的实际测量存在许多困难。

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Already on-line video content access consumes about 50% of total internet bandwidth in the US and with more people accessing this content it is likely that we will saturate the available network bandwidth causing slower and less regular performance, this is a real killer for streaming content.

FORBES: Changing Digital Storage Requirements for Clouds and Mobile Devices