IETF Logo Mail Archive

Re: [Bier] Comment on BIER-TE

IJsbrand Wijnands <ice@cisco.com> Wed, 09 August 2017 18:51 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 C6622132481 for <bier@ietfa.amsl.com>; Wed, 9 Aug 2017 11:51:18 -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 hs9PQBR10L5w for <bier@ietfa.amsl.com>; Wed, 9 Aug 2017 11:51:17 -0700 (PDT)
Received: from aer-iport-4.cisco.com (aer-iport-4.cisco.com [173.38.203.54]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id C69CB132480 for <bier@ietf.org>; Wed, 9 Aug 2017 11:51:16 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=340; q=dns/txt; s=iport; t=1502304676; x=1503514276; h=mime-version:subject:from:in-reply-to:date:cc: content-transfer-encoding:message-id:references:to; bh=Lw0FL3cJhItjN0RD+BT9P4xR3705kT9lNpsSVcvGx2E=; b=DXj2K86KV5z1E8VM/LLbWGUkj5ZGCB/SCAC6h9DiLWG3FFHZT2us/3LS nr025nVtLnt3/iUWbJ78HCPE+/43CjJ98cXFY6mRcawb34gjh7jdfdqJ3 anfh7bLr9cWn6Buc8gWSQHDAlSDJA8+Ujj44thai/wfJ/7XeHMvTxYWCF k=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0DEAwCXWItZ/xbLJq1cGQEBAQEBAQEBAQEBBwEBAQEBhD6QFo9RBQGBJgSYJyyFGwKFQRQBAgEBAQEBAQFrKIUZAQQBOj8FCwsOOFcGLooHBQgQsD2LZgEBAQEBAQEBAQEBAQEBAQEBAQEBARgFgyiDB4IpASuCfIg2gjEBBKAXh1OMY4F3AZBZkTaEVTYhgQpTJBVbAYJxhBg+ik0BAQE
X-IronPort-AV: E=Sophos;i="5.41,348,1498521600"; d="scan'208";a="656669883"
Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Aug 2017 18:51:12 +0000
Received: from ams-iwijnand-8819.cisco.com (ams-iwijnand-8819.cisco.com [10.60.202.90]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id v79IpCsZ018992 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 9 Aug 2017 18:51:12 GMT
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\))
From: IJsbrand Wijnands <ice@cisco.com>
In-Reply-To: <20170809170340.GA29311@faui40p.informatik.uni-erlangen.de>
Date: Wed, 09 Aug 2017 20:51:18 +0200
Cc: hu.fangwei@zte.com.cn, bier@ietf.org
Content-Transfer-Encoding: 7bit
Message-Id: <B6546AF4-A454-47BF-AF14-7A17BA6A3999@cisco.com>
References: <201708021139076906483@zte.com.cn> <20170808170859.GA24983@faui40p.informatik.uni-erlangen.de> <35E854C1-69F6-442D-8C18-A57C85F4F977@cisco.com> <20170809170340.GA29311@faui40p.informatik.uni-erlangen.de>
To: Toerless Eckert <tte@cs.fau.de>
X-Mailer: Apple Mail (2.2104)
Archived-At: <https://mailarchive.ietf.org/arch/msg/bier/WGmKA8e_q22_DYVqXHYLq2NI_Ps>
Subject: Re: [Bier] Comment on BIER-TE
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 18:51:19 -0000

Toerless,

> Now if you want to use traffic-engineering ("path engineering")
> to do steiner trees, IGP topologies will not help. If you want
> to do N-path load-splitting, you need N topologies, etc. pp.
> "Your mileage will vary" ;-)

https://en.wikipedia.org/wiki/Wikipedia:Solutions_looking_for_a_problem

:-)

Thx,

Ice.

v2.23.0 | Report a Bug | By Email