http://www.tolly.com
There is plenty of info on most network related topics one could think of!
-----Original Message-----
From: Dan Lasley [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 19, 1999 11:06 AM
To: 'John LeMay'
Subject: RE: What is better?
Even if Alan isn't interested in your public docs, there will be folks who
are interested. Can you publish a url to the docs? Thanks.
Dan
> ----------
> From: John LeMay[SMTP:[EMAIL PROTECTED]]
> Sent: Friday, November 19, 1999 9:59 AM
> To: 'Alan Cox'; '[EMAIL PROTECTED]'
> Subject: RE: What is better?
>
> Alan,
>
> What Ethernet standard or even non-standard practice allows for the
> transmission of frames larger than 8K? My understanding is that "Jumbo
> Frames" is the only other initiative to address this issue. Am I missing
> something big???
>
> Regarding CPU utilization, I have seen the effects of gig Ethernet on CPU
> utilization in a lab environment where we literally pound the server with
> packets (ttcp, Chariot as test tools) and it isn't pretty! I'm not sure
> what
> effect interrupt mitigation hardware does have or is supposed to have on
> this utilization, but there still appears to be a major issue here.
>
> If you are interested, I can point you to some public docs my company has
> published that discuss test results of gig ethernet.
>
> Thanks for the reply.
>
>
>
> -----Original Message-----
> From: Alan Cox [mailto:[EMAIL PROTECTED]]
> Sent: Friday, November 19, 1999 10:09 AM
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: Re: What is better?
>
>
> > If you want to compare gig Ethernet you need to first find a machine
> with
> > enough CPU power to handle around 82,345 CPU interrupts per second - the
>
> All the gig E cards have interrupt mitigation hardware. Also people going
> for
> bandwidth use >8K packets. 1.5K frames is for aggregation media usage.
>
> Alan
>
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