From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-x22e.google.com (mail-qg0-x22e.google.com [IPv6:2607:f8b0:400d:c04::22e]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 1966E21F3A4 for ; Mon, 2 Feb 2015 14:53:24 -0800 (PST) Received: by mail-qg0-f46.google.com with SMTP id i50so49696790qgf.5 for ; Mon, 02 Feb 2015 14:53:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; bh=Y9lq2tj/AgoRdATghfbvFNENyqSB/BD7QgwtufD/4qE=; b=TrR0JlAdvLdFBFRCLG/grv2rOd/CXRcRXEs32fnj6TzVaATm/9V9IqElRBPUBmDEjF jIFsl/zGK2X8BLmwjq9dKplH8SyYx4ApAng0Bq0/z9e5fc+A61eWaRER/B7wR8jWDJGs 9pNfVvujXCFwa2f1aM7ecsowIEXkGmu3z2jljPtNYWLo6dqYhaRvdQoEYRX1Q/EUYZwU hyw1LXhEZOoiwKRaMriVLRT25QYTJsIW9BrvTifXEwNQgjXp7ziugcrFTJnf5+YTKIyV WJA6M5RTwk2H840GxKiHpqidko3xPbuRO/zsZqKxv29VBypZhhSZmcza6zuOvtpMzxME m/LA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type:content-transfer-encoding; bh=Y9lq2tj/AgoRdATghfbvFNENyqSB/BD7QgwtufD/4qE=; b=MSB0gO4Z7dgutnzurPluEtfbNsIv1YgRXR1+nkjd0tznkch/RrLHG51ytYoXfW+8z8 S69Kprb3ricVwqlbGWfAUO02qK164orjs9tArjo/O2faWL9+sPETfHoudVHdZpVCNcDW 0jpO9qau2ssFaqbkwGgu12jOnt9S+ni+geCn4PxZqcQ796qTPbwgVh+Pw+VlMTLYX3sJ eqODBiM7RdOyfkOvkxqZCE3M0IPSWEug+GDZ/C6ZLQQQSCln7LajcAGrxExgCBqOnk96 13t+OXd2Hklke27BhiGKAsDSiKV5hBRe+6LPBE2cqxtO6kdArLqM4tB5jOp7uViCQ+DL 2CIg== X-Gm-Message-State: ALoCoQkNalvlTyK852eRvAwIMwc26hci4cE/kdYjLj8qf8gK+YPAYaYyOh+1n7Kwz0xjU4o+FQy8 X-Received: by 10.224.19.193 with SMTP id c1mr44831613qab.73.1422917603242; Mon, 02 Feb 2015 14:53:23 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.165.193 with HTTP; Mon, 2 Feb 2015 14:53:02 -0800 (PST) In-Reply-To: References: From: Avery Pennarun Date: Mon, 2 Feb 2015 17:53:02 -0500 Message-ID: To: =?UTF-8?Q?Bj=C3=B6rn_Smedman?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: linux-wireless , "cerowrt-devel@lists.bufferbloat.net" , dstanley , Derrick Pallas Subject: Re: [Cerowrt-devel] Open Source RRM & Hand-Over Optimization (WAS: Throughput regression with `tcp: refine TSO autosizing`) 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: Mon, 02 Feb 2015 22:53:53 -0000 On Mon, Feb 2, 2015 at 11:44 AM, Bj=C3=B6rn Smedman wrote: > On Mon, Feb 2, 2015 at 5:21 AM, Avery Pennarun wrot= e: >> While there is definitely some work to be done in handoff, it seems >> like there are some find implementations of this already in existence. >> Several brands of "enterprise access point" setups seem to do well at >> this. It would be nice if they interoperated, I guess. >> >> The fact that there's no open source version of this kind of handoff >> feature bugs me, but we are working on it here and the work is all >> planned to be open source, for example: (very early version) >> https://gfiber.googlesource.com/vendor/google/platform/+/master/waveguid= e/ > > We've got an SDN-inspired architecture with 802.11 frame tunneling (a > la CAPWAP), airtime fairness, infrastructure initiated hand-over, > Opportunistic Key Caching (OKC), IEEE 802.11r Fast BSS Transition and > a few more goodies. It's currently free as in beer > (http://anyfi.net/software, > https://github.com/carrierwrt/carrierwrt/pull/7 and > http://www.anyfinetworks.com/download) up to 100 APs, but we're > definitely going to open source in one form or another. > > We've also tried to raise some interest in fixing up CAPWAP > (https://www.ietf.org/mail-archive/web/opsawg/current/msg03196.html), > which is (unfortunately) the best open standard at the moment. > Interest seems marginal though... This sounds cool. Is the CAPWAP/encapsulation stuff separable from the rest? At 802.11ac speeds, a super fast WAN link, and a low-cost SoC, too many layers can be a killer.