[67158] in North American Network Operators' Group
Re: Strange public traceroutes return private RFC1918 addresses
daemon@ATHENA.MIT.EDU (Niels Bakker)
Tue Feb 3 14:36:51 2004
Date: Tue, 3 Feb 2004 20:34:26 +0100
From: Niels Bakker <niels=nanog@bakker.net>
To: nanog@merit.edu
Mail-Followup-To: nanog@merit.edu
In-Reply-To: <401FEBE8.7010506@he.iki.fi>
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> Leo Bicknell wrote:
>> because at the higher data rates (eg 40 gige) it makes a huge difference
>> in host usage. You can fit 6 times in the data in a 9K packet that you
>> can in a 1500 byte packet, which means 1/6th the interrupts, DMA
>> transfers, ACL checks, etc, etc, etc.
* pete@he.iki.fi (Petri Helenius) [Tue 03 Feb 2004, 19:47 CET]:
> This is wrong. Interrupt moderation has been there for quite a while,=20
> DMA is chained and predictive.
Just like the extra chopping up of the data you want to send into more
packets, it's things you have to do a few extra times. That takes time.
There is no way around this. What Leo wrote is in no way wrong.
> ACL checks I can agree on, but if you are optimizing the system, what
> do you need ACL?s for anyway because you can make the applications
> secure in the first place?
You're trolling, right?
-- Niels.
--=20
Blessed are the Watchmakers, for they shall inherit the earth.
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