From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.toke.dk (mail.toke.dk [45.145.95.4]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 138CF3B29D for ; Tue, 23 Nov 2021 07:12:11 -0500 (EST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1637669527; bh=7P2pXodKLBqHfgR8t3LKtY0nO7+UcmUn4Zx4MdcLtT8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=SOgZyE8Pf0KkVQfaARFQPsfwdVkjfM83v4GYOqoT8cc50/l+teFAKq9mgv+fuPQkj fHsRUwPh/FfBFFt5WxDM5Ok8vDR1NZ4dPxl1bcG9xWIR+S2efSQr8lYWLfLKnnyaGt 7o3LYM8a/Vi01y1TW7ewmFJc0+PxrQnGuqainCTPI6T5Io1IBrBmYL/zlMS7Emam1T b4QpXy0U65BvDkxcutaXgYc1x4rqRC4DOqDaE5zr6cneQkiDyUb1QzZQ55M+pzucPD dGLtsGOkbmEDxhbhN5HQpu/Gp5f20BrKNJUlH5A5YExTat4Wn1tvLfoDT27DIVBdQJ /9yJPRQ47PlOg== To: Sebastian Moeller Cc: Dave =?utf-8?Q?T=C3=A4ht?= , Cake List In-Reply-To: <3F51069A-D50B-4C09-AF16-FB9AA9E8D59C@gmx.de> References: <67BC6CC2-F088-4C0D-8433-A09F4AC452FE@gmx.de> <87czmrcg0f.fsf@toke.dk> <3F51069A-D50B-4C09-AF16-FB9AA9E8D59C@gmx.de> Date: Tue, 23 Nov 2021 13:12:07 +0100 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <877dczcbqg.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Cake] tossing acks into the background queue X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Nov 2021 12:12:11 -0000 >> And either way, CAKE is still going to be limited by being single core >> only, and fixing that requires some serious surgery that I seem to >> recall looking into and giving up at some point :( > > That is sad, and pretty much rules out that I could make some > progress in that direction. The next level is shaping at ~1Gbps, > even though faster access links become available, like 8.5/10 > Gbps (XGS-PON is nominally 10G, but after FEC only ~8.5 Gbps > actually are usable) or for a lucky few even 25 Gbps ... Yup. FWIW my hope is that we'll be able to do something about this using XDP, eventually... :) -Toke