From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 6A0AF3B29D for ; Tue, 18 Aug 2020 17:55:26 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by tuna.sandelman.ca (Postfix) with ESMTP id 2011F389B7; Tue, 18 Aug 2020 17:34:34 -0400 (EDT) Received: from tuna.sandelman.ca ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id qHkABOBGZtF9; Tue, 18 Aug 2020 17:34:33 -0400 (EDT) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 3852D389B5; Tue, 18 Aug 2020 17:34:33 -0400 (EDT) Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 4E8A665A; Tue, 18 Aug 2020 17:55:24 -0400 (EDT) From: Michael Richardson To: Daniel Sterling cc: bloat In-Reply-To: References: X-Mailer: MH-E 8.6+git; nmh 1.7+dev; GNU Emacs 26.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Subject: Re: [Bloat] cake + ipv6 X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Aug 2020 21:55:26 -0000 --=-=-= Content-Type: text/plain Daniel Sterling wrote: > As I'm sure you know ipv6 addresses are essentially random on the > internal LAN as compared to v4 -- a box can grab as many v6 addresses > as it wants, and I don't believe my linux router can really know which > box is using which address, can it? So, IPv6 privacy extensions do this. But, they aren't really supposed to change that fast, and should ideally be sticky to an application. So a single batch of xbox downloads should all use the same IID in the IPv6. On a home *LAN*, the L2 ethernet address won't change for the xbox, so ideally, the home router could build some kind of set based upon that, and then use that. Adding a layer of L3 router, of course, defeats that, and this is mostly the point of how privacy extensions are supposed to work. > Which means... ipv6 breaks cake's flow isolation. > Cake can't throttle all those xbox downloads correctly cuz it doesn't > know they're all going to/from that one device. Are you explicitely throttling by IP address, or are you letting cake figure it out? > I can think of one general solution -- run more wires to more devices, > and give devices their own VLAN, and tag / prioritize / deprioritize > specific traffic that way... > But.. are there better / more general solutions? -- Michael Richardson , Sandelman Software Works -= IPv6 IoT consulting =- --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEbsyLEzg/qUTA43uogItw+93Q3WUFAl88TkwACgkQgItw+93Q 3WWIEggAsWekPy/TMNwouLwbumZJlupfEmvORqkWnfR91Uk7scdFvBgF1LzJYLu5 5efUExLg/d/mZp5I3vLStAect0SpePFRk+58COWEbmzDKxnT0OXLuf3HImkvPWdw z0DQVVfPiULGelAqi0rRAEw273AaGoaOx4+t32kF1uPf+RdRU3VI0EDgPEKG5OAw /e5cxqn5dtHEDRvd1N08cjq8tM5STxPFR14P6F4z3BjZ6ZTgVR3rUnRIR+2u/XDQ eQ0C8XYCwowpes1CNyMKPS+jk2wJyf0gKcE0KaUs3EHVjiirzZ2mANFPVatJvzvJ Q32pifyl+r+ZIKjVHMlZBEhczmjwxg== =YQPj -----END PGP SIGNATURE----- --=-=-=--