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Comcast Carrying 1Tbit/s of IPv6 Internet Traffic
New submitter Tim the Gecko (745081) writes Comcast has announced 1Tb/s of Internet facing, native IPv6 traffic, with more than 30% deployment to customers. With Facebook, Google/YouTube, and Wikipedia up to speed, it looks we are past the "chicken and egg" stage.
IPv6 adoption by other carriers is looking better too with AT&T at 20% of their network IPv6 enabled, Time Warner at 10%, and Verizon Wireless at 50%. The World IPv6 Launch site has measurements of global IPv6 adoption.
In actual fact, the ComCast internet service is not too bad. It is just their customer support, pricing, monopoly status and general arrogance that make them among the most hated company in existence.
The other interesting thing in the article was Google showing their IPv6 traffic was now around 4% up looked the perhaps the upward bend at the beginning of an s-Curve.
The big advantage is that all my computers are reachable through the internet
Depending on your point of view, that may also be considered as a down-side.
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Um, no. The whole "NAT is security" argument is bullshit. KISS: I'd rather have a simple firewall which either blocks or does not block ports/IPs (or connections, if stateful) than a complex firewall which also has to rewrite packets.
Instead of a poor man's firewall, why don't you use a real firewall? It's much easier to configure than NAT.
If you use Linux, like every residential internetrouter sold in the last 10 years, NAT is a part of the firewall code.
As it is more simple a "real" firewall is cheaper than your "poor man's firewall".
It works for a little while, but it still depends on the network having a public IP. A lot of ISPs, especially in Asian countries, have started implementing NAT level IP which means no UPnP and not even manual port forwarding.
Better start learning now, while you can afford to make mistakes. The bigger IPv6 gets the more those little mistakes will hurt you.