Netflix is back

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Back in 2009, Netflix launched an experimental IPv6 streaming service. When they moved operations to Amazon, they lost IPv6-streaming ability, to the chagrin of v6 enthusiasts everywhere.

Now it's back. Earlier this week, Netflix relaunched IPv6 support (and you don't even need a custom URL anymore). I ran into one glitch during testing (you have to stream something over IPv4 first, then you can stream v6-only), but I'm hoping this is a temporary issue.

Streaming Nat Geo's Amazing Planet over IPv6

Streaming Nat Geo's Amazing Planet over IPv6

This should make life much easier for network operators. Netflix generates a huge amount of network traffic. As many providers are running out of IPv4 addresses, they have to find increasinly painful ways of providing access to the v4 Internet, such as large-scale NATs (Comcast's approach) and IPv6-to-IPv4 translators (T-Mobile's approach). Running all of Netflix's traffic through these systems would be painful. Now, all that traffic can avoid these performance-killing NATs.

The same reasoning applies to Google's YouTube, which generates huge volumes of traffic itself, and is also IPv6-ready.

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3 Comments

Frank said:

I'm pretty sure Comcast is not using NAT. Please check out http://blog.comcast.com/2011/11/ipv6-deployment-technology.html,
"It is also important to note that we are deploying native dual stack, which means a customer gets both IPv6 and IPv4 addresses. That means we are not using tunneling technology or large scale Network Address Translation (NAT)."

Frank said:

I'm pretty sure Comcast is not using NAT. Please check out http://blog.comcast.com/2011/11/ipv6-deployment-technology.html,
"It is also important to note that we are deploying native dual stack, which means a customer gets both IPv6 and IPv4 addresses. That means we are not using tunneling technology or large scale Network Address Translation (NAT)."

Derek Morr Author Profile Page said:

Comcast led the development of Dual Stack Lite, and has publicly said they pan to deploy it. They're also working with the IETF on extensions to it, like this one http://tools.ietf.org/html/draft-cui-softwire-b4-translated-ds-lite-06

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