Re: [OSPF] Poll for WG adoption of draft-hegde-ospf-node-admin-tag

Peter Psenak <ppsenak@cisco.com> Tue, 26 August 2014 08:05 UTC

Return-Path: <ppsenak@cisco.com>
X-Original-To: ospf@ietfa.amsl.com
Delivered-To: ospf@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D91C71A0AFE for <ospf@ietfa.amsl.com>; Tue, 26 Aug 2014 01:05:50 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -15.169
X-Spam-Level:
X-Spam-Status: No, score=-15.169 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, RP_MATCHES_RCVD=-0.668, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham
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 1fsR8YBGGuM9 for <ospf@ietfa.amsl.com>; Tue, 26 Aug 2014 01:05:48 -0700 (PDT)
Received: from aer-iport-2.cisco.com (aer-iport-2.cisco.com [173.38.203.52]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2C4DD1A0AFD for <ospf@ietf.org>; Tue, 26 Aug 2014 01:05:48 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=780; q=dns/txt; s=iport; t=1409040348; x=1410249948; h=message-id:date:from:mime-version:to:subject:references: in-reply-to:content-transfer-encoding; bh=aJsOqMYVsc3P/Xw4lMgvCiib6Wf2znPv+cuDg9bTnfo=; b=P2y3v5zd+Wc5H5vp8w3LPvU/6jgRYRml17s/XyMy0uaaYmhPI+Bg3c6N 1PEwqDvY2f1NbJ4qUBRzmcDbHQM68i8XbcPHrNH2Pv/VH8ufUvmcX4kCk ctKZ2V8OFBnXtlZ1EF0A6Eg9TRNQQQqVw3KRc6DT/yDR2NhAtgsdJfETI s=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: Aq4EAE4//FOtJssW/2dsb2JhbABag2BXzEoKh00BgSp3hAMBAQEDAQEBATU2ChELGAkWDwkDAgECARUwBg0GAgEBiDYIDb4jEwSPU4RMAQScSYcvjV2DYDsvgk8BAQE
X-IronPort-AV: E=Sophos;i="5.04,402,1406592000"; d="scan'208";a="153322156"
Received: from aer-iport-nat.cisco.com (HELO aer-core-2.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP; 26 Aug 2014 08:05:44 +0000
Received: from [10.55.51.206] (ams-ppsenak-87113.cisco.com [10.55.51.206]) by aer-core-2.cisco.com (8.14.5/8.14.5) with ESMTP id s7Q85iO0016504 for <ospf@ietf.org>; Tue, 26 Aug 2014 08:05:44 GMT
Message-ID: <53FC3FD8.1000704@cisco.com>
Date: Tue, 26 Aug 2014 10:05:44 +0200
From: Peter Psenak <ppsenak@cisco.com>
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Thunderbird/24.4.0
MIME-Version: 1.0
To: "ospf@ietf.org" <ospf@ietf.org>
References: <D0212051.2116%acee@cisco.com>
In-Reply-To: <D0212051.2116%acee@cisco.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Archived-At: http://mailarchive.ietf.org/arch/msg/ospf/jubowtp5oKrd0yxReOmlGFodTgw
Subject: Re: [OSPF] Poll for WG adoption of draft-hegde-ospf-node-admin-tag
X-BeenThere: ospf@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: The Official IETF OSPG WG Mailing List <ospf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ospf>, <mailto:ospf-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ospf/>
List-Post: <mailto:ospf@ietf.org>
List-Help: <mailto:ospf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ospf>, <mailto:ospf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 26 Aug 2014 08:05:51 -0000

On 8/25/14 23:18 , Acee Lindem (acee) wrote:
> There are situations where node level policy is required and an OSPF
> advertised admin tag simplifies this. For example, advertisement of
> remote-LFA eligibility.

my concern with the generic use of admin tags for signaling capability 
is that it's operationally unfriendly compared to explicit signaling of 
the capability (e.g. using a bit or a TLV). The reason is that you have 
to configure the tag meaning on all receiving routers.

thanks,
Peter

>
> Please indicate your support or objections to adopting this draft as an
> OSPF WG document.
>
> Thanks,
> Acee
>
>
> _______________________________________________
> OSPF mailing list
> OSPF@ietf.org
> https://www.ietf.org/mailman/listinfo/ospf
>