Re: sysctl should disable ECN by default
IP is a very old standard. I don't assume that all
chipsets are bug free, nor do I assume that all IP
implementations are bug free. I'm going to place blame
where it belongs, and be honest about whose bug this is.
This is not a problem with two year old equipment.
It is not the case that all IP routers made before
1999 will discard ECN traffic. Only those that reach
into your TCP header and fuss with the bits will do so.
So I am suggesting that you throw out your two year old
zyxel piece of crap "router" if you have one, or pester
their support people for the software patch, and follow
Jamal's call for volunteers as descibed on linux-kernel at:
http://uwsg.iu.edu/hypermail/linux/kernel/0105.1/0145.html
As David noted, I'm in favor of turning ECN off-as-default.
My point is still that it should be dirt simple to turn it
on again. If you're going to quote the social contract,
then you should see the logic in respecting the user's
wishes, and not trying to disable what they've knowingly
enabled in the kernel configuration.
-neil
On Sat, Sep 01, 2001 at 07:54:06PM -0500, David Starner wrote:
> On Sun, Sep 02, 2001 at 02:17:43AM +0200, Eduard Bloch wrote:
> > #include <hallo.h>
> > Neil Spring wrote on Sat Sep 01, 2001 um 04:39:30PM:
> >
> > > Blaming ECN for faulty IP implementations is wrong.
> >
> > Come back to reality please. Or stay in your dream and (for example)
> > and remove all workarounds in the kernel, assuming all chipsets and
> > implementations to be bug-free. Your words can be translated to "People,
> > trow away your notebooks, motherboards, hard disks, and buy newer ones".
>
> Then you have a faulty translator. What he said was that it's not fair
> to blame ECN for the problems and that implemenators had plenty of
> warning that that bit might need to be used. He did not say that ECN
> should be turned on by default.
>
> Your words can be translated (very liberally) as "We should never
> improve anything; even backward compatible extensions will break
> something, and so should be shunned."
>
> --
> David Starner - dstarner98@aasaa.ofe.org
> Pointless website: http://dvdeug.dhis.org
> "I don't care if Bill personally has my name and reads my email and
> laughs at me. In fact, I'd be rather honored." - Joseph_Greg
>
>
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