Re: UDP packets scheduling

[Robert Hancock]

Lukas Hejtmanek wrote:
> On Tue, Mar 20, 2007 at 06:52:51PM +0100, Andi Kleen wrote:
> > > Flow control must be turned off for some other reason.
> > That's your fundamental problem. Fix that. 
> >
> > Even if you get the rate right there can be many reasons why timing 
> > gets disrupted temporarily and to recover from any of this you need
> > working flow control.
>
> How do you want to enable wire/fibre flow control, e.g., from Europe to USA?
> You are not guaranteed any hardware based flow control.
>
> And as of software flow control, you need precise timing of UDP packets to
> keep desired packet rate. How to do it at speeds about 5.5Gbps, that is my
> question.

Why is it necessary to avoid bursting? There should be enough buffering 
along the chain to avoid packet loss with reasonable burst sizes.

--
Robert Hancock      Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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