Re: [mpls] Review of draft-ietf-mpls-residence-time-12
Stewart Bryant <stewart.bryant@gmail.com> Mon, 23 January 2017 09:37 UTC
Return-Path: <stewart.bryant@gmail.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1])
by ietfa.amsl.com (Postfix) with ESMTP id A4AFF1295DB;
Mon, 23 Jan 2017 01:37:55 -0800 (PST)
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 lweSZLsdHbsy; Mon, 23 Jan 2017 01:37:54 -0800 (PST)
Received: from mail-wm0-x241.google.com (mail-wm0-x241.google.com
[IPv6:2a00:1450:400c:c09::241])
(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 6329E1295D9;
Mon, 23 Jan 2017 01:37:54 -0800 (PST)
Received: by mail-wm0-x241.google.com with SMTP id r144so25035782wme.0;
Mon, 23 Jan 2017 01:37:54 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;
h=subject:to:references:cc:from:message-id:date:user-agent
:mime-version:in-reply-to:content-transfer-encoding;
bh=5YlcqG10UaWBw+P7pAdYEZ/uDWK70MYi0EPgsfZMBlc=;
b=XFEh6YazFw+lOiqnvGKRb5OIsEFSISeqYLYGT4CT1LRpyQEz4nm9cuBpgkavfsIrnu
gMndVBhIpqOEej2E7tHPApO/ih83aU91egYl8gEIyLix22g3CR8TOgBzVw48cJEzZjhG
aGJBnEjDKgUMe5+6Vse0xE8URfTBZmi4ecL5QFK/yTJYhtMj/lj1JK26wICXMCsHWG9T
m7hXC+yDepY1p3ZOZsDnSkc4KbSHZFfoDrfN0NVYzcgqsvC/e61fj1mjnxH7ZIZPBwUz
it3OfVWEUNLMlHB7A9a3JjuK5wQbtc1088EFzOgLvDAvfB+PKc0JtEl9pw1NqPEuYTUG
a1Ag==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:subject:to:references:cc:from:message-id:date
:user-agent:mime-version:in-reply-to:content-transfer-encoding;
bh=5YlcqG10UaWBw+P7pAdYEZ/uDWK70MYi0EPgsfZMBlc=;
b=E15WYV33VVyQ5dYFmHtVWgU9LveKnBF61ivVpYtfZto2KMUXEM04180ogIkw0vFgLy
wNFb8rBWYbSNSr8Qd2kEoIHIQec2arAk7aDWHS8HcyLcgAhAGpwt4Rk3mTop/Q/8SRTu
h29ofduHYThnPalPysY9z8SnldedpYL3lrarzUT/2N4WICxreUj3wiRLvwbf2DZF2KOu
e7XnY5H7+nfSlQv3/eViLOXG+H7bsHsuxJT5XHs2Ji+WQMZHp8N189kaxYMx3+jQuOH9
U5dEIF5bMpqzXqFc1vsITE9gSCv5v2IgFb6+61anTHM52V1L/nd1dcA/YTPDvDrXMJJI
wpMg==
X-Gm-Message-State: AIkVDXKKuVdCZ1aVBve+FR5/XEcVDqNH13vJ0S9OW/6LjC7JumynKjLx39Xzz4JGKTJPgg==
X-Received: by 10.28.220.135 with SMTP id t129mr14353730wmg.38.1485164272883;
Mon, 23 Jan 2017 01:37:52 -0800 (PST)
Received: from [192.168.2.126] (host213-123-124-182.in-addr.btopenworld.com.
[213.123.124.182])
by smtp.gmail.com with ESMTPSA id y1sm19880841wme.15.2017.01.23.01.37.51
(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
Mon, 23 Jan 2017 01:37:52 -0800 (PST)
Subject: Re: [mpls] Review of draft-ietf-mpls-residence-time-12
To: "Acee Lindem (acee)" <acee@cisco.com>, Hannes Gredler
<hannes@gredler.at>, "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>,
John E Drake <jdrake@juniper.net>,
Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>,
Greg Mirsky <gregimirsky@gmail.com>
References: <148414970343.8167.4538946698521330202.idtracker@ietfa.amsl.com>
<CA+RyBmVrvyiwDp2kV3VLiQtqOaL=MaVjZugGbvgWnp6y3dwP3Q@mail.gmail.com>
<95d41b52-5c85-869f-2139-6713816e9637@nostrum.com>
<CA+RyBmWcvU70BZYRj8ZHUZrmkcwq1eHS38jFpyZOq3A_5eXZ9g@mail.gmail.com>
<D4A55AE0.9483E%acee@cisco.com>
<CA+RyBmWrDhZUmVN0t8aLsL6F3ZfnvBu8FW_2VjDmwj-ercLd5w@mail.gmail.com>
<f315026a140148898250f8fa3bdb0123@XCH-ALN-001.cisco.com>
<CA+RyBmWMBAXd+zntuAeOU9x7xs9BQSk7J-z9+yyUDvKPd3v2MA@mail.gmail.com>
<HE1PR0301MB22660A73C0D5A96BA8F3F0D39D7E0@HE1PR0301MB2266.eurprd03.prod.outlook.com>
<D4A65103.94DF0%acee@cisco.com>
<DM5PR05MB3001952D0DDD2AA672697094C77E0@DM5PR05MB3001.namprd05.prod.outlook.com>
<D4A6573B.94E53%acee@cisco.com>
<DM5PR05MB3001ED6AF8296F5DBE5E38EFC77E0@DM5PR05MB3001.namprd05.prod.outlook.com>
<3f43cfdfe76e437bb2df6159e5644ae5@XCH-ALN-001.cisco.com>
<01e66ab2-aea1-4d60-63c6-9304d644381f@gredler.at>
<D4A77012.95F4B%acee@cisco.com>
From: Stewart Bryant <stewart.bryant@gmail.com>
Message-ID: <7e15d501-7aa3-577b-4b31-95a6f19439b4@gmail.com>
Date: Mon, 23 Jan 2017 09:37:49 +0000
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101
Thunderbird/45.6.0
MIME-Version: 1.0
In-Reply-To: <D4A77012.95F4B%acee@cisco.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf/nD8pAlmyJVILaU2_mcGTCcRmY9k>
X-Mailman-Approved-At: Mon, 23 Jan 2017 10:49:06 -0800
Cc: "Abhay Roy \(akr\)" <akr@cisco.com>, "mpls@ietf.org" <mpls@ietf.org>,
"isis-chairs@ietf.org" <isis-chairs@ietf.org>,
"gen-art@ietf.org" <gen-art@ietf.org>,
"draft-ietf-mpls-residence-time.all@ietf.org"
<draft-ietf-mpls-residence-time.all@ietf.org>, "ietf@ietf.org" <ietf@ietf.org>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>,
<mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>,
<mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 23 Jan 2017 09:37:55 -0000
Sorry Acee, I accidentally deleted your message about paths that support this. Yes, to get the best quality time transfer you would pick paths such that all hops had the property. If you did not do that you can undo all the good work you did on the other hops by one that introduces variable delay. Indeed if the variability has certain systematic characteristics it can be very hard to use other techniques to minimise its impact on the quality of the time transfer. An example of a characteristic that is very difficult to address by other means is a very slowly increasing delay. Stewart
- Review of draft-ietf-mpls-residence-time-12 Robert Sparks
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Juergen Schoenwaelder
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: Review of draft-ietf-mpls-residence-time-12 Robert Sparks
- Re: Review of draft-ietf-mpls-residence-time-12 Stewart Bryant
- Re: Review of draft-ietf-mpls-residence-time-12 Greg Mirsky
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Acee Lindem (acee)
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Greg Mirsky
- RE: [mpls] Review of draft-ietf-mpls-residence-ti… Les Ginsberg (ginsberg)
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Greg Mirsky
- RE: [mpls] Review of draft-ietf-mpls-residence-ti… Adrian Farrel
- RE: [mpls] Review of draft-ietf-mpls-residence-ti… Alexander Vainshtein
- RE: [mpls] Review of draft-ietf-mpls-residence-ti… Mach Chen
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Stewart Bryant
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Stewart Bryant
- Re: [mpls] Review of draft-ietf-mpls-residence-ti… Stewart Bryant