[GROW] draft-ietf-grow-diverse-bgp-path-dist ignore IGP metric
Jakob Heitz <jakob.heitz@ericsson.com> Sun, 27 March 2011 19:19 UTC
Return-Path: <jakob.heitz@ericsson.com>
X-Original-To: grow@core3.amsl.com
Delivered-To: grow@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id EEB2F3A690B; Sun, 27 Mar 2011 12:19:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.208
X-Spam-Level:
X-Spam-Status: No, score=-6.208 tagged_above=-999 required=5 tests=[AWL=0.391, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BScIs2SNtDJ2; Sun, 27 Mar 2011 12:19:24 -0700 (PDT)
Received: from imr4.ericy.com (imr4.ericy.com [198.24.6.8]) by core3.amsl.com (Postfix) with ESMTP id 10D483A6900; Sun, 27 Mar 2011 12:19:23 -0700 (PDT)
Received: from eusaamw0707.eamcs.ericsson.se ([147.117.20.32]) by imr4.ericy.com (8.14.3/8.14.3/Debian-9.1ubuntu1) with ESMTP id p2RJL0sv003973; Sun, 27 Mar 2011 14:21:01 -0500
Received: from EUSAACMS0701.eamcs.ericsson.se ([169.254.2.141]) by eusaamw0707.eamcs.ericsson.se ([147.117.20.32]) with mapi; Sun, 27 Mar 2011 15:20:54 -0400
From: Jakob Heitz <jakob.heitz@ericsson.com>
To: "grow@ietf.org" <grow@ietf.org>, IETF IDR <idr@ietf.org>
Date: Sun, 27 Mar 2011 15:20:52 -0400
Thread-Topic: draft-ietf-grow-diverse-bgp-path-dist ignore IGP metric
Thread-Index: AcvstBaef8O2lxxcTZm6vwlVa0vluA==
Message-ID: <7309FCBCAE981B43ABBE69B31C8D21390E3F5BECAB@EUSAACMS0701.eamcs.ericsson.se>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
acceptlanguage: en-US
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: [GROW] draft-ietf-grow-diverse-bgp-path-dist ignore IGP metric
X-BeenThere: grow@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: Grow Working Group Mailing List <grow.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/grow>, <mailto:grow-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/grow>
List-Post: <mailto:grow@ietf.org>
List-Help: <mailto:grow-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/grow>, <mailto:grow-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 27 Mar 2011 19:19:25 -0000
If you ignore IGP metric, you may choose the wrong bestpath. Suppose 3 paths, 2 RR planes. Suppose RR clusters in POPs all over the country. One RR cluster may not choose its closest path at all. It could choose 2 paths far away when there is one path closer. -- Jakob Heitz.
- [GROW] draft-ietf-grow-diverse-bgp-path-dist igno… Jakob Heitz
- Re: [GROW] [Idr] draft-ietf-grow-diverse-bgp-path… Robert Raszuk