[babel] info-model: question on "k out of j"

"STARK, BARBARA H" <bs7652@att.com> Wed, 17 July 2019 14:50 UTC

Return-Path: <bs7652@att.com>
X-Original-To: babel@ietfa.amsl.com
Delivered-To: babel@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id CD1D9120724 for <babel@ietfa.amsl.com>; Wed, 17 Jul 2019 07:50:49 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.6
X-Spam-Level:
X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 mkfzwUVHPW8A for <babel@ietfa.amsl.com>; Wed, 17 Jul 2019 07:50:48 -0700 (PDT)
Received: from mx0a-00191d01.pphosted.com (mx0b-00191d01.pphosted.com [67.231.157.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4569A120720 for <babel@ietf.org>; Wed, 17 Jul 2019 07:50:48 -0700 (PDT)
Received: from pps.filterd (m0049463.ppops.net [127.0.0.1]) by m0049463.ppops.net-00191d01. (8.16.0.27/8.16.0.27) with SMTP id x6HElQtH018596 for <babel@ietf.org>; Wed, 17 Jul 2019 10:50:46 -0400
Received: from alpi154.enaf.aldc.att.com (sbcsmtp6.sbc.com [144.160.229.23]) by m0049463.ppops.net-00191d01. with ESMTP id 2tt4tq9vne-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for <babel@ietf.org>; Wed, 17 Jul 2019 10:50:46 -0400
Received: from enaf.aldc.att.com (localhost [127.0.0.1]) by alpi154.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id x6HEojYe015904 for <babel@ietf.org>; Wed, 17 Jul 2019 10:50:45 -0400
Received: from zlp30487.vci.att.com (zlp30487.vci.att.com [135.47.91.176]) by alpi154.enaf.aldc.att.com (8.14.5/8.14.5) with ESMTP id x6HEofaK015830 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for <babel@ietf.org>; Wed, 17 Jul 2019 10:50:41 -0400
Received: from zlp30487.vci.att.com (zlp30487.vci.att.com [127.0.0.1]) by zlp30487.vci.att.com (Service) with ESMTP id 18DCE400A0A3 for <babel@ietf.org>; Wed, 17 Jul 2019 14:50:41 +0000 (GMT)
Received: from GAALPA1MSGHUBAC.ITServices.sbc.com (unknown [130.8.218.152]) by zlp30487.vci.att.com (Service) with ESMTPS id 06D0F400A0A2 for <babel@ietf.org>; Wed, 17 Jul 2019 14:50:41 +0000 (GMT)
Received: from GAALPA1MSGUSRBF.ITServices.sbc.com ([169.254.5.84]) by GAALPA1MSGHUBAC.ITServices.sbc.com ([130.8.218.152]) with mapi id 14.03.0439.000; Wed, 17 Jul 2019 10:50:40 -0400
From: "STARK, BARBARA H" <bs7652@att.com>
To: 'Babel at IETF' <babel@ietf.org>
Thread-Topic: info-model: question on "k out of j"
Thread-Index: AdU8rjCW/9m4OsmKTYWiK5XRqLx6VQ==
Date: Wed, 17 Jul 2019 14:50:40 +0000
Message-ID: <2D09D61DDFA73D4C884805CC7865E6114E22A322@GAALPA1MSGUSRBF.ITServices.sbc.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [135.174.19.151]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-17_06:, , signatures=0
X-Proofpoint-Spam-Details: rule=outbound_policy_notspam policy=outbound_policy score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=837 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907170173
Archived-At: <https://mailarchive.ietf.org/arch/msg/babel/njwGdg0lLh6rsZk7QkcGvmIpKZc>
Subject: [babel] info-model: question on "k out of j"
X-BeenThere: babel@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "A list for discussion of the Babel Routing Protocol." <babel.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/babel>, <mailto:babel-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/babel/>
List-Post: <mailto:babel@ietf.org>
List-Help: <mailto:babel-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/babel>, <mailto:babel-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 17 Jul 2019 14:50:50 -0000

Currently, when reporting what metric calculation algorithms are supported, the info model supports an enumeration of "k-out-of-j". I notice that the only "k out of j" algorithm that really seems to be used is "2 out of 3". Should we replace the generic "k-out-of-j" with the more specific "2-out-of-3"? And if other k out of j algorithms are supported, they can be specifically called out with whatever values of k and j they use? Or is it really the case that if any values of k and j are supported, then it would be easy to use whatever values of k and j make sense in some particular case? Note that the proposed link type properties definitions call out "2 out of 3" instead of the generic "k out of j". I think it would be good to be consistent in which one we use.
Barbara