[170295] in North American Network Operators' Group
Re: IPv6 isn't SMTP
daemon@ATHENA.MIT.EDU (Larry Sheldon)
Wed Mar 26 00:08:53 2014
Date: Tue, 25 Mar 2014 23:07:28 -0500
From: Larry Sheldon <LarrySheldon@cox.net>
To: nanog@nanog.org
In-Reply-To: <i3Xf1n00x1Una3W013Xg18>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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)
