Sure, the data plane supports it - but what about the management plane?
I wouldn't be surprised if ISPs did all the management tasks through a 30-year-old homebrew pile of technical debt, with lots of things relying on basic assumptions like "every connection has exactly one ip address, which is 32 bits long".
Porting all of that to support ipv6 can easily be a multi-year project.
I wouldn't be surprised if ISPs did all the management tasks through a 30-year-old homebrew pile of technical debt, with lots of things relying on basic assumptions like "every connection has exactly one ip address, which is 32 bits long".
Porting all of that to support ipv6 can easily be a multi-year project.