[TICTOC] Wireline delivery of precision time
Stewart Bryant <stewart.bryant@gmail.com> Tue, 09 May 2017 08:13 UTC
Return-Path: <stewart.bryant@gmail.com>
X-Original-To: tictoc@ietfa.amsl.com
Delivered-To: tictoc@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9FDE1129AD5 for <tictoc@ietfa.amsl.com>; Tue, 9 May 2017 01:13:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: 0
X-Spam-Level:
X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[BAYES_50=0.8, 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 5fvROzIuMOJP for <tictoc@ietfa.amsl.com>; Tue, 9 May 2017 01:13:23 -0700 (PDT)
Received: from mail-wm0-x232.google.com (mail-wm0-x232.google.com [IPv6:2a00:1450:400c:c09::232]) (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 847C012706D for <tictoc@ietf.org>; Tue, 9 May 2017 01:13:23 -0700 (PDT)
Received: by mail-wm0-x232.google.com with SMTP id u65so2019531wmu.1 for <tictoc@ietf.org>; Tue, 09 May 2017 01:13:23 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=g8Pj3ZdmDYjH73Moa3M+uDzTLh+qTwDHKQAJczw9xn8=; b=YcYhM2EHY+6/aqwmOBVO+7iHIUkRHjNJTqR1WkgC6aqCsnqXrzto8DLkaYIz1iENzD O2G2Mnk2D2iN/7ZrVMfJJOTCukkyI7napF0cD5EaJU0CY8ydLjbf9hmhFUfS7u0jnq0s 3P8RdelxDkoax/cMhjHyf1DSYjzfS0yIk68AOUxpCz9Siv8OKuvimVpFeQ9DqEGIW14b KP+wMCSfLIrLajbpri+hvDeALZT7vluQ5oxIneqUXW83PlF14PoKPY7VNmxj8gw0xA4M fbtAxkWCzojKJStdSU3UemVwqcjk4DUL9xdRqjglf7ONHT3nwf+t6dBPgVYS9ggvN05a vF5g==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=g8Pj3ZdmDYjH73Moa3M+uDzTLh+qTwDHKQAJczw9xn8=; b=FzIVXQXuPdLRV4kXZp3n8rsBkjHH91GlvyH2Fb6vr8PySe93XFmt47jfSW11bz9Xd2 pdeY31HUYsqbsUqa12HmKCUsJAbXG0VuFCIBAjmlWXxJuzogTC1ekDjtmYacipwoJULI KHT+RvJFyujefLEnlb92FA2mzeWvmRl6lftKQXW0lRP5ppoxZDqJOy4tAQoA36YWBavm 3wMPdWoAwhtwGHI3IEPe1e57NaINiKsNnctbj2dGTyAyMydbQ6cNDjELCcTSTEcVB7xH bjUKiM0S5KUEgTUuX+fLy7/iXfCM3awxzOWDJaThUV1cVF0NY37FGLFqq+V9QfBCtfH5 w2WA==
X-Gm-Message-State: AODbwcDbfQa1VfXWbFd/pipiwA9Ar0lMmvaqxoOtBlm5AnqcqF1pl//B JI6K9eEF5X4PQX4Tqdj6Tg==
X-Received: by 10.28.209.141 with SMTP id i135mr173340wmg.123.1494317601692; Tue, 09 May 2017 01:13:21 -0700 (PDT)
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 w70sm157465wmd.10.2017.05.09.01.13.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 May 2017 01:13:21 -0700 (PDT)
To: "ntpwg@lists.ntp.org" <ntpwg@lists.ntp.org>, "tictoc@ietf.org" <tictoc@ietf.org>
From: Stewart Bryant <stewart.bryant@gmail.com>
Message-ID: <a911de8f-cc87-3fdd-66a9-dc5992b6d1b6@gmail.com>
Date: Tue, 09 May 2017 09:13:06 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/tictoc/t5lEgXwAV9p_lrLtgFMI9yhEfo4>
Subject: [TICTOC] Wireline delivery of precision time
X-BeenThere: tictoc@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Timing over IP Connection and Transfer of Clock BOF <tictoc.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tictoc>, <mailto:tictoc-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tictoc/>
List-Post: <mailto:tictoc@ietf.org>
List-Help: <mailto:tictoc-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tictoc>, <mailto:tictoc-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 09 May 2017 08:13:26 -0000
An interesting piece in the London Times this morning on the importance of wireline delivery of precision time: https://www.thetimes.co.uk/article/londons-atomic-bombshell-for-hackers-gbst7gv2g?shareToken=d115d7d58f8d57385cc0d2c95e56682c - Stewart
- [TICTOC] Wireline delivery of precision time Stewart Bryant