Re: [Bier] BitStringLengths in draft-ietf-bier-architecture-07

IJsbrand Wijnands <ice@cisco.com> Wed, 09 August 2017 18:36 UTC

Return-Path: <ice@cisco.com>
X-Original-To: bier@ietfa.amsl.com
Delivered-To: bier@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D2CFF13232D for <bier@ietfa.amsl.com>; Wed, 9 Aug 2017 11:36:34 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.501
X-Spam-Level:
X-Spam-Status: No, score=-14.501 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.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 8yMz5H0cKnFv for <bier@ietfa.amsl.com>; Wed, 9 Aug 2017 11:36:33 -0700 (PDT)
Received: from aer-iport-2.cisco.com (aer-iport-2.cisco.com [173.38.203.52]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D12D1131CD7 for <bier@ietf.org>; Wed, 9 Aug 2017 11:36:32 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=765; q=dns/txt; s=iport; t=1502303793; x=1503513393; h=mime-version:subject:from:in-reply-to:date:cc: content-transfer-encoding:message-id:references:to; bh=00xL2MCijrFRqgm9Jo6J+UVc2FibfIHGX7Z/Cl93mUI=; b=Ttuz3wBBQKq153cqFhoABlHKfCu57Hj+y60t1FkIuKeAMMliGiSwuNyx eWbE3VWzP+2g+R1MsOEhMfldZOdDsD1e2rCJlKecesdIlJ5HpERN34Zgv 01bLxpc+d4USjaMdhf1gkOeO0iNK73DMRkrwYsWMp2y/rl4yeAyqan9/Y E=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0DEAwDQVItZ/xbLJq1cGQEBAQEBAQEBAQEBBwEBAQEBlFSPUQUBgSYEkTuGbIVHAoVBFAECAQEBAQEBAWsohRkBBAEjVgULCxIIAiYCAkkOBoo1BQiuIIImi2YBAQEBAQEBAQEBAQEBAQEBAQEBH4ELgSd2gweCKiuBcIEMhHODEzCCMQEEoBeUNpJRkTaEVTYhgQpTJBVbAYJxhBg+ik0BAQE
X-IronPort-AV: E=Sophos;i="5.41,348,1498521600"; d="scan'208";a="653827195"
Received: from aer-iport-nat.cisco.com (HELO aer-core-3.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Aug 2017 18:36:28 +0000
Received: from ams-iwijnand-8819.cisco.com (ams-iwijnand-8819.cisco.com [10.60.202.90]) by aer-core-3.cisco.com (8.14.5/8.14.5) with ESMTP id v79IaRqQ030141 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 9 Aug 2017 18:36:28 GMT
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\))
From: IJsbrand Wijnands <ice@cisco.com>
In-Reply-To: <CA+wi2hM2PxU48G=e7MmHWwqYca5JbvGNLGpSW2CkFDC1r02jzA@mail.gmail.com>
Date: Wed, 09 Aug 2017 20:36:34 +0200
Cc: "Bidgoli, Hooman (Nokia - CA/Ottawa)" <hooman.bidgoli@nokia.com>, "BIER (bier@ietf.org)" <bier@ietf.org>, Pierre Pfister <pierre.pfister@darou.fr>, Eric C Rosen <erosen@juniper.net>, "Dolganow, Andrew (Nokia - SG/Singapore)" <andrew.dolganow@nokia.com>
Content-Transfer-Encoding: quoted-printable
Message-Id: <5617CDBE-E205-4E21-92F2-CDEFD07EDA06@cisco.com>
References: <7E91C246-6077-4172-A37C-C9B89AF92858@cisco.com> <CAG4d1rdE7GB-JX119r8Pc70isYsiaXGCKSRHEkYG9LgF4rzgRA@mail.gmail.com> <7fba9717-b87d-ccd4-84b6-2e605ac0becf@juniper.net> <CBC90D43-13A5-4DC9-B905-D78E6BDD3701@nokia.com> <VI1PR0701MB2351909836CA27DEBBE6E0B0918B0@VI1PR0701MB2351.eurprd07.prod.outlook.com> <E69F7F07-A311-49C4-92C4-85D220181B6F@cisco.com> <CA+wi2hM2PxU48G=e7MmHWwqYca5JbvGNLGpSW2CkFDC1r02jzA@mail.gmail.com>
To: Tony Przygienda <tonysietf@gmail.com>
X-Mailer: Apple Mail (2.2104)
Archived-At: <https://mailarchive.ietf.org/arch/msg/bier/7OuHY5_6DQK3P4vg_0IZrIfQX0Y>
Subject: Re: [Bier] BitStringLengths in draft-ietf-bier-architecture-07
X-BeenThere: bier@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "\"Bit Indexed Explicit Replication discussion list\"" <bier.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/bier>, <mailto:bier-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/bier/>
List-Post: <mailto:bier@ietf.org>
List-Help: <mailto:bier-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/bier>, <mailto:bier-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 09 Aug 2017 18:36:35 -0000

Tony,

> 1. As a matter of principle yes, one of my usual pony horses, "architecture should not overspecify a technology" and that applies here. the architecture doc would be better served without that clause.

Great, lets change it!

> 3. Removing the restriction must not, IMO, result in a complete new WG LC and IESG review albeit Greg has to write a new Ops section which will probably make both prudent nevertheless

We’ve been working on this architecture for a few years now, and this document is the MAIN architecture for BIER. If we discovered an mistake before its published as RFC, lets fix it now. If WG LC and IESG will add a 4 month delay, who cares?

BTW, I loved you’re references :-)

Thx,

Ice.