So NAPT (32bit IPv4 address + necessary 16-bit send/receive ports) must be 64 bit? Lloyd Wood http://about.me/lloydwood ________________________________________ From: ietf <ietf-bounces@xxxxxxxx> on behalf of Michael Richardson <mcr+ietf@xxxxxxxxxxxx> Sent: Wednesday, 25 June 2014 3:23 AM To: Phillip Hallam-Baker Cc: IETF Discussion Mailing List Subject: Re: Time to move beyond the 32 bit Internet. Phillip Hallam-Baker <phill@xxxxxxxxxxxxxxx> wrote: > So lets stop asking ISPs 'do you support IPv6' and instead ask 'Is your > Internet service 32 bit or 128'? Good idea. -- Michael Richardson <mcr+IETF@xxxxxxxxxxxx>, Sandelman Software Works -= IPv6 IoT consulting =-