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Because the top websites want user traffic too. If you come from a country that doesn't have IPv4 left the usual deployment scenario is a carrier grade DNS64 wi
by daenney 10y ago
Because the top websites want user traffic too. If you come from a country that doesn't have IPv4 left the usual deployment scenario is a carrier grade DNS64 with NAT64. You're basically stuck behind a huge ISP NAT which makes quite a few things unpleasant and others downright break down.
By supplying v6 you ensure anyone in the world can access it regardless of which IP protocol is deployed by your carrier and how they are or aren't translating from one to the other.
- exclusiv 10y agoThanks for the explanation. I was under the impression all the ISPs would have ipv4 and handle all the translations to ipv6 clients. Sounds like this is mostly the case, but it has some issues and any new ISP on v6 would have a hard time because a lot of the big sites would be unreachable.
- bluecmd 10y agoAny form of NAT is also much much more expensive than just normal routing. For n:m NAT you need to keep track of sessions for example. This is going to hurt things like BitTorrent among a lot of things.