IETF Logo Mail Archive

Re: [Anima-signaling] GRASP issue 50: Rapid mode

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 31 July 2016 21:08 UTC

Return-Path: <brian.e.carpenter@gmail.com>
X-Original-To: anima-signaling@ietfa.amsl.com
Delivered-To: anima-signaling@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4157812D0EF for <anima-signaling@ietfa.amsl.com>; Sun, 31 Jul 2016 14:08:05 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 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, RCVD_IN_DNSWL_LOW=-0.7, 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 uE9J3lhu1rzt for <anima-signaling@ietfa.amsl.com>; Sun, 31 Jul 2016 14:08:04 -0700 (PDT)
Received: from mail-pa0-x234.google.com (mail-pa0-x234.google.com [IPv6:2607:f8b0:400e:c03::234]) (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 23B8E12D0D8 for <anima-signaling@ietf.org>; Sun, 31 Jul 2016 14:08:04 -0700 (PDT)
Received: by mail-pa0-x234.google.com with SMTP id iw10so45971397pac.2 for <anima-signaling@ietf.org>; Sun, 31 Jul 2016 14:08:04 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:organization:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=K0jnF/GdN9CJ4Xvfv3IG4vy5feJhIun+0gP9psaiaDE=; b=kunaXvSxMw8xHBsSo4L3iV0fcF00j3xJ4NGBllcGRauku1lisujCtmRsiqmCOtKj2h eunECpKHuYO/YNtcvQ/uDmAq8Q/yAzZu1H01+vqKDgyLDge5uGo15xIlsbchUBBgQDRe Dilmn34P3dj4piusR4KCL5ayxINLh2s6INIg6GsRdQ+mw8aa0PAQMMZXBiacrPrsSBE0 VLaCvlGI3m4ZWG+m0twzIKdLQpBGmD3IqN3g1KqEBpXuVLYS6WKOQ4wDuTXEz3sqKLK0 A6EFzpUuASOiMs8szWvGC4/wGgoplHMTOXvvBBmuXSxuh0kGnw2qFB18taCIWlcds9mT 5hQw==
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:from:organization :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding; bh=K0jnF/GdN9CJ4Xvfv3IG4vy5feJhIun+0gP9psaiaDE=; b=f5gBI6b0Bu9ZG6+78K/caZqZHQ3oVrlFUCVkQc1um3znuuKXobjd4mpccdIK2/mTch Gu1zQXnczuQ/PSsjmwTLir6g5rGSpLwbL1wR1qgf0H7qNXccNhxtpshSu0OIi1cOoqxD 3OjYdeXZlW/KVPbB8o3DDHD1jfkovbsXbcD3r8E4JzCnOvv91ZabK532A0I9QM4obY/O xYx4imvlP01TukLVFxrap8XCauBziypCvO+i67AujjQqDRYKAodZ/+tRiFNJRikRdCxw tXF6Rpo+9/0CAlYCGeA9x9hAHpTA+CbRLsNSJf6n6tzR5XQCkYds8xEgQI/lMyN1h731 uGpw==
X-Gm-Message-State: AEkoouv4h0olnH4Ka0AR3HHYKWUyJ7Vd24p4f/4vb7X/d4MKuMSMDuhxqPMd0N3QoVUVlw==
X-Received: by 10.66.193.7 with SMTP id hk7mr73402249pac.78.1469999283500; Sun, 31 Jul 2016 14:08:03 -0700 (PDT)
Received: from ?IPv6:2406:e007:591a:1:28cc:dc4c:9703:6781? ([2406:e007:591a:1:28cc:dc4c:9703:6781]) by smtp.gmail.com with ESMTPSA id c125sm40041939pfc.40.2016.07.31.14.08.02 for <anima-signaling@ietf.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 31 Jul 2016 14:08:03 -0700 (PDT)
To: Anima signaling DT <anima-signaling@ietf.org>
References: <e5624787-ae82-5cfd-42e5-3c794950bb71@gmail.com>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
Message-ID: <d21d4ca4-4926-3f93-e776-a2deae5e9203@gmail.com>
Date: Mon, 1 Aug 2016 09:08:00 +1200
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0
MIME-Version: 1.0
In-Reply-To: <e5624787-ae82-5cfd-42e5-3c794950bb71@gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/anima-signaling/w6XJBD4HU5E3vVEM34d2f5QA1_I>
Subject: Re: [Anima-signaling] GRASP issue 50: Rapid mode
X-BeenThere: anima-signaling@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Mailing list for the signaling design team of the ANIMA WG <anima-signaling.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/anima-signaling>, <mailto:anima-signaling-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/anima-signaling/>
List-Post: <mailto:anima-signaling@ietf.org>
List-Help: <mailto:anima-signaling-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/anima-signaling>, <mailto:anima-signaling-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 31 Jul 2016 21:08:05 -0000

And I forget to also include this for completeness:

   o  43.  Rapid mode synchronization and negotiation is currently
      limited to a single objective for simplicity of design and
      implementation.  A future consideration is to allow multiple
      objectives in rapid mode for greater efficiency.

On 01/08/2016 08:58, Brian E Carpenter wrote:
> Hi,
> 
> Here's another issue for design team comments.
> 
> My understanding from the discussion in Berlin is that we should retain the Rapid mode
> but also clarify its specification a bit. At the moment the open issue says:
> 
>    o  50.  Is Rapid mode limited to on-link only?  What happens if first
>       discovery responder does not support Rapid Mode?  (Section 3.3.4,
>       Section 3.3.5)
> 
> Feedback please. I'm not quite sure what to do about this. It would certainly
> be simpler if it was on-link only (i.e. discovery loop count limited to 1).
> However, the case where there are two discovery responses and only the 2nd one
> supports Rapid Mode is tricky.
> 
> Regards
>    Brian
>

v2.8.7 | Report a Bug | By Email