Received: with ECARTIS (v1.0.0; list netdev); Wed, 07 Jul 2004 13:11:46 -0700 (PDT) Received: from outpost.ds9a.nl (postfix@outpost.ds9a.nl [213.244.168.210]) by oss.sgi.com (8.12.10/8.12.9) with SMTP id i67KBCgi005987 for ; Wed, 7 Jul 2004 13:11:33 -0700 Received: by outpost.ds9a.nl (Postfix, from userid 1000) id A19A04018; Wed, 7 Jul 2004 21:38:02 +0200 (CEST) Date: Wed, 7 Jul 2004 21:38:02 +0200 From: bert hubert To: Jamie Lokier Cc: Stephen Hemminger , "David S. Miller" , netdev@oss.sgi.com, linux-net@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] fix tcp_default_win_scale. Message-ID: <20040707193802.GA8117@outpost.ds9a.nl> Mail-Followup-To: bert hubert , Jamie Lokier , Stephen Hemminger , "David S. Miller" , netdev@oss.sgi.com, linux-net@vger.kernel.org, linux-kernel@vger.kernel.org References: <20040701140406.62dfbc2a.davem@redhat.com> <20040702013225.GA24707@conectiva.com.br> <20040706093503.GA8147@outpost.ds9a.nl> <20040706114741.1bf98bbe@dell_ss3.pdx.osdl.net> <20040706194034.GA11021@mail.shareable.org> <20040706131235.10b5afa8.davem@redhat.com> <20040706224453.GA6694@outpost.ds9a.nl> <20040706154907.422a6b73.davem@redhat.com> <20040707110653.7c49bef1@dell_ss3.pdx.osdl.net> <20040707193125.GA17266@mail.shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040707193125.GA17266@mail.shareable.org> User-Agent: Mutt/1.3.28i X-archive-position: 6763 X-ecartis-version: Ecartis v1.0.0 Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com X-original-sender: ahu@ds9a.nl Precedence: bulk X-list: netdev Content-Length: 585 Lines: 19 On Wed, Jul 07, 2004 at 08:31:25PM +0100, Jamie Lokier wrote: > So why do we set a larger window scale than necessary? > Is it to support (a)? It might be useful to shake out the bugs of the internet - so far I have indications that at least on residential ADSL router is responsible, it removes wscale when doing TCP portforwarding. If and when we decide to do larger rmem than now, we might have a better chance. Regards, bert -- http://www.PowerDNS.com Open source, database driven DNS Software http://lartc.org Linux Advanced Routing & Traffic Control HOWTO