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Networked Life by Mung Chiang

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17 IPTV and Netflix: How can theInternet support video?

We saw in Chapter 13 that the Internet provides a “best effort,” i.e., “no effort” service. So, how can it support video distribution that often imposes stringent demands on throughput and delay?

17.1   A Short Answer

17.1.1   Viewing models

Watching video is a significant part of many people’s daily life, and it is increasingly dependent on the Internet and wireless networks. Movies, TV shows, and home videos flow from the cloud through the IP network to mobile devices. This trend is changing both the networking and the entertainment industries. As of 2011, there were more than 100 million IPTV users in the USA, and Youtube and Netflix together take up about half of the Internet capacity ...

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