The scale of the issue is that this is a factor of a thousand beyond where we are today. While the connection into people’s homes is within a factor of 2, the big area of concern is with cloud data centres and the big carriers.
Peering points are getting congested and videos are getting thinned, the service is being harmed so that users are unable to get 10 or 20mbps, they instead get 1 or 2mbps.
One solution that Leighton suggests, is distributing the video much closer to your homes and pre positioning the popular content that you’re likely to watch.
via Akamai CEO: Network infrastructure is being crippled by demand – Computer Business Review.