Re: [homenet] New Version Notification for draft-barth-homenet-wifi-roaming-00.txt

Mikael Abrahamsson <swmike@swm.pp.se> Mon, 30 November 2015 13:49 UTC

Return-Path: <swmike@swm.pp.se>
X-Original-To: homenet@ietfa.amsl.com
Delivered-To: homenet@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A20EE1ACD3D for <homenet@ietfa.amsl.com>; Mon, 30 Nov 2015 05:49:39 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.961
X-Spam-Level:
X-Spam-Status: No, score=-3.961 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=unavailable
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Urq1Led0wLi5 for <homenet@ietfa.amsl.com>; Mon, 30 Nov 2015 05:49:39 -0800 (PST)
Received: from uplift.swm.pp.se (swm.pp.se [212.247.200.143]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1CDA51ACD25 for <homenet@ietf.org>; Mon, 30 Nov 2015 05:40:40 -0800 (PST)
Received: by uplift.swm.pp.se (Postfix, from userid 501) id 70F64A2; Mon, 30 Nov 2015 14:40:38 +0100 (CET)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=swm.pp.se; s=mail; t=1448890838; bh=RYfDBYwpkNir5hTLzuFxFmYrd9kch9TZ8EwQWbt0NW0=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=HcNFr0+9u9FOJFo+XxsQXntxauEjvxA5E3bFYBI15Gg5isK0FX+w2Bfor6smTGmdw UY3r5ZUPUd4qTIw9SBcWyL1DqTnrZB8Mr7YD4tvFWMiO9mWWJ8EJlzhMhuS1+KgzNV wknMqkwKuCMF4nfN3hdsfOE12ea3mzJxs9qwmsig=
Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id 6C8DBA1; Mon, 30 Nov 2015 14:40:38 +0100 (CET)
Date: Mon, 30 Nov 2015 14:40:38 +0100
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Michael Thomas <mike@mtcc.com>
In-Reply-To: <56572539.8080802@mtcc.com>
Message-ID: <alpine.DEB.2.02.1511301438500.24520@uplift.swm.pp.se>
References: <20151016113242.29159.37112.idtracker@ietfa.amsl.com> <5620E158.4000309@openwrt.org> <56265237.8020202@gmail.com> <56571260.6040504@globis.net> <alpine.DEB.2.02.1511261610310.24520@uplift.swm.pp.se> <56572539.8080802@mtcc.com>
User-Agent: Alpine 2.02 (DEB 1266 2009-07-14)
Organization: People's Front Against WWW
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset="US-ASCII"; format="flowed"
Archived-At: <http://mailarchive.ietf.org/arch/msg/homenet/hEnGlf0FhBRd-Nm2N7S5mqRO3g0>
Cc: homenet@ietf.org
Subject: Re: [homenet] New Version Notification for draft-barth-homenet-wifi-roaming-00.txt
X-BeenThere: homenet@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF Homenet WG mailing list <homenet.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/homenet>, <mailto:homenet-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/homenet/>
List-Post: <mailto:homenet@ietf.org>
List-Help: <mailto:homenet-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/homenet>, <mailto:homenet-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 30 Nov 2015 13:49:39 -0000

On Thu, 26 Nov 2015, Michael Thomas wrote:

> Even if it's a 1/2 second, the l2 handover is still far too long for, 
> say, real time flows. Isn't this why you want to do make-before-break if 
> at all possible? at that point, time-to-flow is less of an issue, right?

I wasn't even aware that 802.11 can do make-before-break? A quick search 
seems to indicate that 802.11 roaming is strictly break-before-make?

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se