Reply to post: Re: This just in.....IETF announces IPv7

We are absolutely, definitively, completely and utterly out of IPv4 addresses, warns RIPE

Dave K Silver badge

Re: This just in.....IETF announces IPv7

I would have expected IP6 to have included native support for IPv4 addressing so you dont need two separate protocols. Try an IPv6 connection, if that fails, fall back to compatibility mode. Problem is that the current system involves two separate protocols, and as long as IPv4 still works, plenty of companies can't see the point of implementing a second protocol. You double the hassle and attack vector for little benefit. Allowing IPv6 to support v4 via a compatibility mode would have helped here.

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