Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750760AbWAGPXs (ORCPT ); Sat, 7 Jan 2006 10:23:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750767AbWAGPXs (ORCPT ); Sat, 7 Jan 2006 10:23:48 -0500 Received: from nsm.pl ([62.111.143.37]:48157 "EHLO nsm.pl") by vger.kernel.org with ESMTP id S1750760AbWAGPXs (ORCPT ); Sat, 7 Jan 2006 10:23:48 -0500 Date: Sat, 7 Jan 2006 16:23:25 +0100 From: Tomasz Torcz To: linux-kernel@vger.kernel.org Subject: Re: Almost 80% of UDP packets dropped Message-ID: <20060107152325.GC9197@irc.pl> Mail-Followup-To: linux-kernel@vger.kernel.org References: <200601071704.52833.vda@ilport.com.ua> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="M38YqGLZlgb6RLPS" Content-Disposition: inline In-Reply-To: <200601071704.52833.vda@ilport.com.ua> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1523 Lines: 47 --M38YqGLZlgb6RLPS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. >=20 > 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. >=20 > Use TCP instead. Or DCCP. --=20 Tomasz Torcz "God, root, what's the difference?" zdzichu@irc.-nie.spam-.pl "God is more forgiving." --M38YqGLZlgb6RLPS Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) Comment: gpg --search-keys Tomasz Torcz iD8DBQFDv9ztThhlKowQALQRAgAnAKDoDmaK/3pcWCcCiLBnXa7Rrht2CQCggc1x bS01B9S4xIh2jihgK+6foDU= =r0BR -----END PGP SIGNATURE----- --M38YqGLZlgb6RLPS-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/