[arin-ppml] NAT444 rumors (was Re: Looking for an IPv6 naysayer...)
dwing at cisco.com
Tue Feb 22 11:00:37 EST 2011
> -----Original Message-----
> From: Chris Grundemann [mailto:cgrundemann at gmail.com]
> Sent: Monday, February 21, 2011 8:17 PM
> To: Dan Wing
> Cc: Owen DeLong; Benson Schliesser; NANOG list; ARIN-PPML List
> Subject: Re: [arin-ppml] NAT444 rumors (was Re: Looking for an IPv6
> On Mon, Feb 21, 2011 at 19:08, Dan Wing <dwing at cisco.com> wrote:
> > Its title, filename, abstract, and introduction all say the problems
> > are specific to NAT444. Which is untrue.
> I just re-read the filename, abstract and introduction, and I disagree
> that any of those say that the problems are specific to NAT444. They
> all do state that these problems are present in NAT444, but not that
> it's the only technology/scenario/configuration where you might find
> More importantly, I am unsure the point of this argument.
My point is that: NAT breaks things, but NAT444 is /not/ the only
case where breakage occurs.
> Are you
> trying to say that the items listed as broken in the draft are not
> actually broken? Because in my experience they are. IMHO, the fact
> that they are also broken in other (similar) scenarios is not evidence
> that they are not broken in this one. On the contrary, this scenario
> seems to be evidence to the brokenness in the others (until we get a
> chance to test and document them all - are you volunteering? ;).
Vendor test results don't carry much value.
The authors of draft-donley-nat444-impacts did testing, and
I sincerely hope will publish results that split the impacts of
access bandwidth starvation from home NAT from CGN from NAT444.
> > -d
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