Re: Almost 80% of UDP packets dropped

From: Denis Vlasenko
Date: Sat Jan 07 2006 - 10:03:55 EST


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.
--
vda
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/