IETF Logo Mail Archive

Re: bohe and delta experimentation...

Nico Williams <nico@cryptonector.com> Wed, 16 January 2013 23:24 UTC

Return-Path: <ietf-http-wg-request@listhub.w3.org>
X-Original-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Delivered-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E02AD11E80FF for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 16 Jan 2013 15:24:03 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -8.644
X-Spam-Level:
X-Spam-Status: No, score=-8.644 tagged_above=-999 required=5 tests=[AWL=1.333, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, RCVD_IN_DNSWL_HI=-8]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yWc3UdhpehRF for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 16 Jan 2013 15:24:01 -0800 (PST)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id 86AF111E80F5 for <httpbisa-archive-bis2Juki@lists.ietf.org>; Wed, 16 Jan 2013 15:24:01 -0800 (PST)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1TvcKU-00056x-Qc for ietf-http-wg-dist@listhub.w3.org; Wed, 16 Jan 2013 23:23:34 +0000
Resent-Date: Wed, 16 Jan 2013 23:23:34 +0000
Resent-Message-Id: <E1TvcKU-00056x-Qc@frink.w3.org>
Received: from lisa.w3.org ([128.30.52.41]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <nico@cryptonector.com>) id 1TvcKR-00055l-9S for ietf-http-wg@listhub.w3.org; Wed, 16 Jan 2013 23:23:31 +0000
Received: from caiajhbdcbbj.dreamhost.com ([208.97.132.119] helo=homiemail-a16.g.dreamhost.com) by lisa.w3.org with esmtp (Exim 4.72) (envelope-from <nico@cryptonector.com>) id 1TvcKQ-0002MW-9n for ietf-http-wg@w3.org; Wed, 16 Jan 2013 23:23:31 +0000
Received: from homiemail-a16.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a16.g.dreamhost.com (Postfix) with ESMTP id 273F1508072 for <ietf-http-wg@w3.org>; Wed, 16 Jan 2013 15:23:09 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=cryptonector.com; h= mime-version:in-reply-to:references:date:message-id:subject:from :to:cc:content-type:content-transfer-encoding; s= cryptonector.com; bh=jDG2ymYvaFJjEkRz4afs27ETgJg=; b=THfKiL5zbAy BxUg+SlQ/+cFaVET8EclcDOXwj5OrFtPlwzBKCkVETd/bdzauWpBdJ9vknHZGFgC 1I1LiGsPjY1m/dOuala47vIjGUI6MnzAsxL80i1GJcls9JA3xHPWuWqB3x5wrIXG 2xO5q0taR+UEmL0BPbai6ZbBWYM3SUeM=
Received: from mail-ie0-f172.google.com (mail-ie0-f172.google.com [209.85.223.172]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: nico@cryptonector.com) by homiemail-a16.g.dreamhost.com (Postfix) with ESMTPSA id EC538508064 for <ietf-http-wg@w3.org>; Wed, 16 Jan 2013 15:23:08 -0800 (PST)
Received: by mail-ie0-f172.google.com with SMTP id c13so3749580ieb.31 for <ietf-http-wg@w3.org>; Wed, 16 Jan 2013 15:23:08 -0800 (PST)
MIME-Version: 1.0
X-Received: by 10.50.5.239 with SMTP id v15mr2131202igv.41.1358378588534; Wed, 16 Jan 2013 15:23:08 -0800 (PST)
Received: by 10.64.12.69 with HTTP; Wed, 16 Jan 2013 15:23:07 -0800 (PST)
In-Reply-To: <DD2EFC9F-5201-4829-9E6F-BD9CF0307BB0@mnot.net>
References: <CABP7RbeNFm3ZHdtDBUJb3idJjFj0q+fxDPzxKZBhSJqXw8zWaQ@mail.gmail.com> <2FD0BBE1-59C6-4E49-ACCE-60C1A895FB7D@mnot.net> <CABP7RbdXh1mb_P-HQucksiHc1So0ggVxH5v8y7vk13g+CcWe-Q@mail.gmail.com> <DD2EFC9F-5201-4829-9E6F-BD9CF0307BB0@mnot.net>
Date: Wed, 16 Jan 2013 17:23:07 -0600
Message-ID: <CAK3OfOj1O82WqO0L0rNpq2qeKJoT9E0ZQrV6Y=ULETtACpYMag@mail.gmail.com>
From: Nico Williams <nico@cryptonector.com>
To: Mark Nottingham <mnot@mnot.net>
Cc: James M Snell <jasnell@gmail.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Received-SPF: none client-ip=208.97.132.119; envelope-from=nico@cryptonector.com; helo=homiemail-a16.g.dreamhost.com
X-W3C-Hub-Spam-Status: No, score=-3.6
X-W3C-Hub-Spam-Report: AWL=-1.609, BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001
X-W3C-Scan-Sig: lisa.w3.org 1TvcKQ-0002MW-9n e6513a50be63985ad449e12b6bdd7bb6
X-Original-To: ietf-http-wg@w3.org
Subject: Re: bohe and delta experimentation...
Archived-At: <http://www.w3.org/mid/CAK3OfOj1O82WqO0L0rNpq2qeKJoT9E0ZQrV6Y=ULETtACpYMag@mail.gmail.com>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/15919
X-Loop: ietf-http-wg@w3.org
Resent-Sender: ietf-http-wg-request@w3.org
Precedence: list
List-Id: <ietf-http-wg.w3.org>
List-Help: <http://www.w3.org/Mail/>
List-Post: <mailto:ietf-http-wg@w3.org>
List-Unsubscribe: <mailto:ietf-http-wg-request@w3.org?subject=unsubscribe>

On Wed, Jan 16, 2013 at 5:10 PM, Mark Nottingham <mnot@mnot.net> wrote:
> On 17/01/2013, at 9:45 AM, James M Snell <jasnell@gmail.com> wrote:
> Dates in HTTP are explicitly in UTC (we just call it "GMT"), so the timezone data isn't helping (and may be hurting).

TZ should be in a separate header then.  It helps the server to know
what TZ a user is in.

> Dates in HTTP have a granularity of one second; although people ask for finer granularity from time to time, giving them this capability is IMO asking for trouble (because clock sync and the speed of light / disk, combined with people's ignorance of distributed systems, leads to lots of bugs).

Well, sub-second resolution can help if you're building, say, a
timesync protocol.  (Since every app protocol now has to run over
HTTP... NTP is no longer good enough.  j/k)

> WRT years up to 9999 -- yes. The method I used consumes an extra byte after 2106... and then another in 4147. However, just one more byte buys up to 36812!

Good!

v2.23.0 | Report a Bug | By Email