From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id B5A5621F17D for ; Sat, 11 Jan 2014 10:40:41 -0800 (PST) Received: from hms-beagle-3.home.lan ([217.254.130.56]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0LrvWY-1VNtBm0UYw-013hls for ; Sat, 11 Jan 2014 19:40:32 +0100 Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Sebastian Moeller In-Reply-To: Date: Sat, 11 Jan 2014 19:40:31 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: References: <4B0976EC-5224-4E81-B5DF-96A85424FB6E@gmail.com> <49DBDBE7-BF76-4823-B723-670935A55833@gmx.de> To: Rich Brown X-Mailer: Apple Mail (2.1510) X-Provags-ID: V03:K0:hckSzzP2Et+kx9gTHSTu5zJXhUWSvoO8bWV6ngVEEoSvPULuGfh A1LdDmJeVyc00QOU8vvKsNC4mMZW0iqyjKTOTZh1IXE7s0wdblJQX4rN9RZlO/EqGg5L7Fm QyN3y7Hf+xQ8FRsWZal44W6aONdr/Ov6jqYwsgKRaz1qGU2PUUnm+lHZjL4BDbOToF/qqaV Kz7pCSSlDhccWPon3OtRA== Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] VDSL X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Jan 2014 18:40:42 -0000 Hi Rich, On Jan 11, 2014, at 18:55 , Rich Brown wrote: > HI Sebastian, >=20 >> Well, that looks like a decent recommendation for the wiki. The = SQM configuration page still needs to expose all three values, atm, = ethernet, and none so that people can actually change things... >=20 > So two questions really: >=20 > 1) (=46rom my previous note) What=92s the difference between the = current =93Ethernet=94 (for VDSL) and =93None=94 link layer adaptations? Currently, "none" completely disables the link layer = adjustments, "ethernet" enables them, but will only use the overhead = (unless you specify an tcMPU, but that is truly exotic). >=20 > 2) When we distinguish the Ethernet/VDSL case, I would really like to = use a different name from =93Ethernet=94 because it seems confusingly = similar to having a real Ethernet path/link (e.g., direct connection to = internet backbone without any ADSL, cable modem, etc.)=20 On the one hand I agree, but the two options are called "ATM" = (well for tc "adsl" is a valid alias for ATM) and "ethernet" if you pass = them to tc (what we do), and I would really hate it to hide this under = fancy names. I see no chance of renaming those options in tc, so we are = sort of stuck with them and adding another layer of indirection seems = too opaque to me. This is why I put some explanation behind the option = names in the list box=85 Best Sebastian >=20 > Thanks. >=20 > Rich