Re: [v6ops] New Version Notification for draft-ipversion6-loopback-prefix-00.txt

Mark ZZZ Smith <markzzzsmith@yahoo.com.au> Fri, 20 February 2015 02:33 UTC

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Date: Fri, 20 Feb 2015 02:30:34 +0000 (UTC)
From: Mark ZZZ Smith <markzzzsmith@yahoo.com.au>
To: "t. petch" <ietfc@btconnect.com>, Mark Andrews <marka@isc.org>
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Subject: Re: [v6ops] New Version Notification for draft-ipversion6-loopback-prefix-00.txt
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<snip>
>
> Raising RFC5782 and RFC6471 is a Red Herring.

Mark

Classifying those two RFC as Informational is a subtlety that those
reading this e-mail will understand but most will not (as I am reminded
of when I have seen manufacturers cite conformance to Internet
Drafts:-).   I am sure that if I looked hard enough I would find these
RFC being cited as if they were Standards, let alone a BCP.  And note
the title of RFC6471

'overview of Best email dns-based list (DNSBL) Operational Practices '
(my capitalisation).

As I recall, the reason why it is not a BCP, when it is a BCP in all but
name, is political, that the BCP stream is owned by the IETF and that
RFC is not a product of the IETF.

So, rightly or wrongly, the IETF has implicitly endorsed a usage of
127.0.0.n, where n is a small number, and it would be foolish, IMHO, to
endorse a separate usage.

/ So it seems now that 127.0.0.1 on loopback interfaces, since 1982, is now incorrect because it is 'separate usage' and needs to be changed.

/ The IETF has explicitly said those RFCs are Informational. If the IETF then chooses to treat those documents implicitly as standards (by accepting that low 127.0.0.n addresses are only for the purpose of DNSBLs), then there is no value in any of the other more rigorous IETF standards processes. Everything should be published as Informational instead, and there is no need for working groups etc. ...

/ If some people don't understand or aren't aware of what the categories of RFCs are, that doesn't mean those category labels are useless - they're just useless to people who don't understand them. To some extent it is the IETF's problem, as there should be more education about the IETF process/statues etc. However, the IETF abandoning or ignoring those labels on RFCs doesn't solve the problem for which they exist, it makes the problem worse. 


  (For some reason, the choice of percent for
interface identifiers, when percent was already spoken for in URIs,
comes to mind).

Last I heard, IPv6 is different, that the number of MX is small, the
namespace is enormous and so while ::FFFF:7F00:2 was posited, it is
unlikely to gain much traction.

Tom Petch

> Mark
>
> > Perhaps those RFC should have included an IANA Considerations:-(
> >
> > Tom Petch
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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