Re: [Anima-bootstrap] 6tisch join -01 documented posted

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 14 November 2016 00:06 UTC

Return-Path: <brian.e.carpenter@gmail.com>
X-Original-To: anima-bootstrap@ietfa.amsl.com
Delivered-To: anima-bootstrap@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 783471295F5; Sun, 13 Nov 2016 16:06:39 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 Qo6PGw3DmjtF; Sun, 13 Nov 2016 16:06:38 -0800 (PST)
Received: from mail-pg0-x236.google.com (mail-pg0-x236.google.com [IPv6:2607:f8b0:400e:c05::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 677FC129558; Sun, 13 Nov 2016 16:06:38 -0800 (PST)
Received: by mail-pg0-x236.google.com with SMTP id 3so46678870pgd.0; Sun, 13 Nov 2016 16:06:38 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:cc:from:organization:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=ptx6+fXFusiV8cNPB1WxjssHYZDR6swqj5oa/HxTLsU=; b=grwIjpbqusruNDB8Pd8ikgCpWmDF3KoX4o5ejMsC6TELih75QQewXPyX8gugocS6JD 789SQW/WZj0ByAMFGJ18tpPzgYcKMu8iW+qgYzzSwwI8ByRfXlWM51zHVp2sXbVM2J3U EFiI1Kge+6VXHVwVQI9qMWylVdKJKBB4kcV7V5gLaBh9McarqKfLAvVS3qyKgIvc2xzB jfdqhP6PuEeeCYz4c15EvPacXHMj5GKqzF06eTEGjSVQv75byKbcYte1Ka6EMvhjLkkj x28PGhQD+THmOVUx4n8cwYlQ3qaxd1HMv2XkT0cVCxKMI6O4c0mViLpswfpIgt+5vlRm CvQw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding; bh=ptx6+fXFusiV8cNPB1WxjssHYZDR6swqj5oa/HxTLsU=; b=HZW6nV6iwENxkcVJZ/IUX3v5VgGe6ufWvFiMTOFW9tPPptFrK+3jRtI6i/iuVqWkG6 aEA97LzuImEvmYWm7GTP0vg/1+uZ+8LdTWMvM5mpIYAokUCRtRI+D237WOgXymgzuiS8 RHubiHEsNKZqk5mpHJkfSV9xNSgz0648zrjAl+0z5FTACZ654VzysathFuW4PMkE1u2u LvVShmNpBcuud5pkwfoJvtbugQfsZ7o7imROwoE6TbIedQMSuAuT1XfTmjkyHDuPDjQh 8RV8JlVPBLzN3mjXncujpEA/RjEawX9MpnShXocbZPU6Zzq1zsQHolvVqy8o4iDpB5cC RHiQ==
X-Gm-Message-State: ABUngvfCak6wUhFGZ00pd65iExu9WsgeXvkWkYjPmX3ZvsbmdSAggnSCERG7TQ6Y3/O34g==
X-Received: by 10.99.97.15 with SMTP id v15mr24343637pgb.10.1479081997807; Sun, 13 Nov 2016 16:06:37 -0800 (PST)
Received: from [192.168.178.23] (169.221.47.163.dynamic.snap.net.nz. [163.47.221.169]) by smtp.gmail.com with ESMTPSA id c2sm30346955pfl.66.2016.11.13.16.06.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 13 Nov 2016 16:06:37 -0800 (PST)
To: Michael Richardson <mcr@sandelman.ca>
References: <20351.1476971471@obiwan.sandelman.ca> <0343d14c-5b18-b821-c9ad-d77fb7dae490@gmail.com> <12808a8a-5de1-c6cb-3f96-945573041ee4@gmail.com> <24910.1479078501@dooku.sandelman.ca>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
Message-ID: <efb2a1b9-a5b2-9e38-abd5-1c8031d9f1cd@gmail.com>
Date: Mon, 14 Nov 2016 13:06:33 +1300
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0
MIME-Version: 1.0
In-Reply-To: <24910.1479078501@dooku.sandelman.ca>
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/anima-bootstrap/PI_2gH7fd8O8WdGM5MMiIkeHeLs>
Cc: anima-bootstrap <anima-bootstrap@ietf.org>, 6tisch-security <6tisch-security@ietf.org>
Subject: Re: [Anima-bootstrap] 6tisch join -01 documented posted
X-BeenThere: anima-bootstrap@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Mailing list for the bootstrap design team of the ANIMA WG <anima-bootstrap.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/anima-bootstrap>, <mailto:anima-bootstrap-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/anima-bootstrap/>
List-Post: <mailto:anima-bootstrap@ietf.org>
List-Help: <mailto:anima-bootstrap-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/anima-bootstrap>, <mailto:anima-bootstrap-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 14 Nov 2016 00:06:39 -0000

On 14/11/2016 12:08, Michael Richardson wrote:
> Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>     > My model was that the proxy would get all the floods available and
>     > choose the one it liked best, based on the available method and
>     > distance, using the weight and priority as for mDNS. (Personally I
>     > think the mDNS stuff is overkill, but Toerless suggested we should be
>     > feature-equivalent.)
> 
> I never proposed that the Proxy would learn of the registrar via mDNS, btw.
> 
>     > 2. Your CDDL looks OK to me. The format and semantics of the value
>     > field of a GRASP objective are completely flexible, so I don't see a
>     > problem with the first "request" to the Registrar being [IID,
>     > join-method]. The reply from the registrar could be [IID,
>     > another-join-method] if it didn't like the first one proposed. Once
>     > either side receives a join-method it likes, it would send
>     > [M_END,,[O_ACCEPT]] and we're done.
> 
>     > 3. Mini-question, is this really IPv6-specific? If not I'd prefer a
>     > name that flags it as an AN infrastructure objective, e.g. "AN_Join"
> 
> okay.  The problem in 6tisch for proxy<->registrar communication (admission
> control) is the TCP stack required. 

Right. I've been assuming that a "BRSKI-COAP" method is available, and if
we use GRASP Flood, no TCP is needed at the pledge side.

   Brian