Re: Almost 80% of UDP packets dropped

From: Tomasz Torcz
Date: Sat Jan 07 2006 - 10:23:59 EST


On Sat, Jan 07, 2006 at 05:04:52PM +0200, Denis Vlasenko wrote:
> On Saturday 07 January 2006 09:03, kernel coder wrote:
> > hi,
> > I was trying to measure the UDP reception speed on my borad which
> > has MIPS 4kc processor with 133 MHZ speed.I was transfering 10mb file
> > from intel pentium 4 machine to MIPS board,but the recieved file was
> > only 900kB.
>
> UDP is connectionless. There is no way for sender to know that it must
> stop sending UDP packets because receiver cannot keep up. If sender
> and your network is producing and delivering UDP packets faster
> than receiver can consume them, packets will be lost.
>
> Use TCP instead.

Or DCCP.

--
Tomasz Torcz "God, root, what's the difference?"
zdzichu@xxxxxxxxxxxxxxxxx "God is more forgiving."

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