Re: IPv6 isn't SMTP

[Larry Sheldon <LarrySheldon () cox net>]

On 3/25/2014 10:31 PM, Cutler James R wrote:
> Wow, what a lot of NANOG traffic about IPv6 readiness for SMTP!
>
> Please explain my misunderstanding on the following:
>
> 1.  IPv6 is a Routing Layer Protocol (with some associated helpers, like RA, ND, DHCP-PD, and the like).
>
> 2.  SMTP is an Application Layer Protocol, supposedly independent of Routing and lower layers of the protocol stack. 
> Various communities have added connection initiation requirements that sometimes impinge upon layer 3 by requiring 
> name/address correlations in DNS and none of which depend directly on technical aspects of layer 3 addressing. 
> [ignoring obsolescent MTA implementations]
>
> 3.  Arguing about IPv6 in the context of requirements upon SMTP connections is playing that uncomfortable game with 
> one’s own combat boots.  And not particularly productive.
>
> I look forward to furthering my education.


[applause]

--
Requiescas in pace o email           Two identifying characteristics
                                        of System Administrators:
Ex turpi causa non oritur actio      Infallibility, and the ability to
                                        learn from their mistakes.
                                          (Adapted from Stephen Pinker)