Messages in this thread | | | Date | Tue, 20 Mar 2007 17:55:31 -0600 | From | Robert Hancock <> | Subject | Re: UDP packets scheduling |
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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 To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
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