[131862] in North American Network Operators' Group
RE: RINA - scott whaps at the nanog hornets nest :-)
daemon@ATHENA.MIT.EDU (George Bonser)
Sat Nov 6 17:43:03 2010
Date: Sat, 6 Nov 2010 14:42:57 -0700
In-Reply-To: <20101106.224029.41642564.sthaug@nethelp.no>
From: "George Bonser" <gbonser@seven.com>
To: <sthaug@nethelp.no>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> -----Original Message-----
> From: sthaug@nethelp.no [mailto:sthaug@nethelp.no]
> Sent: Saturday, November 06, 2010 2:40 PM
> To: George Bonser
> Cc: ras@e-gerbil.net; nanog@nanog.org
> Subject: Re: RINA - scott whaps at the nanog hornets nest :-)
>=20
> > RFC 4821 PMTUD is that "negotiation" that is "lacking". It is
there.
> > It is deployed. It actually works. No more relying on someone
> sending
> > the ICMP packets through in order for PMTUD to work!
>=20
> For some value of "works". There are way too many places filtering
> ICMP for PMTUD to work consistently. PMTUD is *not* the solution,
> unfortunately.
>=20
> Steinar Haug, Nethelp consulting, sthaug@nethelp.no
I guess you missed the part about 4821 PMTUD does not rely on ICMP.
Modern PMTUD does not rely on ICMP and works even where it is filtered.
