Re: hotmail not dealing with ECN

["H. Peter Anvin" <hpa@transmeta.com>]

"David S. Miller" wrote:
> 
> Secondly, the RFCs are pretty clear that the bits in question used for
> ECN are _reserved_ and to be ignored by implementations.  That means
> to not be interpreted, and more importantly not used to discard
> packets.
> 

Last I communicated with them, I looked for a reference like that in the
standards RFCs so I could quote chapter and verse at the Hotmail people,
but I couldn't find it.  If there is such a reference, someone should
point it out to them, as well as the Cisco patch you point out.  As I
said before, I have had good experience with getting them to fix things
if someone actually points the exact violation they're committing.

>  > In this case, though, they feel that they don't want to potentially
>  > destabilize their network over something that is labelled an
>  > experimental standard.  I can certainly understand their point.
> 
> That's respectible.
> 
> However, to my knowledge the fix in question is available from Cisco
> as a fully supported "safe" patch, rather than some haphazard beta
> patch.

Right, but there is a whole mythos around which version of IOS does what
without breaking something.  I can certainly understand that people are
reluctant to upgrade if they don't have to.

	-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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