Re: [Isis-wg] Barry Leiba's No Objection on draft-ietf-isis-extended-sequence-no-tlv-05: (with COMMENT)

Barry Leiba <barryleiba@computer.org> Tue, 21 April 2015 16:11 UTC

Return-Path: <barryleiba@gmail.com>
X-Original-To: isis-wg@ietfa.amsl.com
Delivered-To: isis-wg@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5BFBC1ACF16; Tue, 21 Apr 2015 09:11:50 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.278
X-Spam-Level:
X-Spam-Status: No, score=-1.278 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FM_FORGED_GMAIL=0.622, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=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 urHZhAid-GBY; Tue, 21 Apr 2015 09:11:49 -0700 (PDT)
Received: from mail-ig0-x22e.google.com (mail-ig0-x22e.google.com [IPv6:2607:f8b0:4001:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 6D2571ACEA9; Tue, 21 Apr 2015 09:11:49 -0700 (PDT)
Received: by igbpi8 with SMTP id pi8so88395876igb.0; Tue, 21 Apr 2015 09:11:49 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=HGmbrNT7UjomwIUQP5cV0OIcWvOX52rB6XDbJ2jylxI=; b=cKA3sibQvp7DpfQynU2wSqSSSicTrO2QiIVHzXHF6nwH1DbgP3HYVl90AgGLXF21o2 edbwEivRyFCXtHR+h19Kyl1EHvA8YY9zbrHEOTcxFMoEgRItZeBNco5Odp5/4zvCRkel VJ3K372S907OVqGwBFEa67mxmpSWYUaZvaYJkGfjv6eQQlyMk59a+toONmc3MRD2hehm vRjFby9EO/6BW+TeVvdnwS/nh9IQUPmVdSVy4yTT9n0/QsfQuQNlUKBP4YEVx38GE+yj dtAW2H/XKlEIKlA7LHtLKcdu1jo36gX6LoVYNKedwC1OJreqIYt1vMYXFvFiWN/TStG3 wIVw==
MIME-Version: 1.0
X-Received: by 10.107.159.9 with SMTP id i9mr6520235ioe.11.1429632708933; Tue, 21 Apr 2015 09:11:48 -0700 (PDT)
Sender: barryleiba@gmail.com
Received: by 10.107.7.130 with HTTP; Tue, 21 Apr 2015 09:11:48 -0700 (PDT)
In-Reply-To: <1B502206DFA0C544B7A60469152008633F64F769@eusaamb105.ericsson.se>
References: <20150420211524.30645.47098.idtracker@ietfa.amsl.com> <1B502206DFA0C544B7A60469152008633F64F769@eusaamb105.ericsson.se>
Date: Tue, 21 Apr 2015 12:11:48 -0400
X-Google-Sender-Auth: YNU9hA3x6oHwneDgzWft8CygZqk
Message-ID: <CALaySJL0vW4BYthc7L14rhU+Bvo=vvCZpUM7=Lqc-+B3=e7Zdw@mail.gmail.com>
From: Barry Leiba <barryleiba@computer.org>
To: Uma Chunduri <uma.chunduri@ericsson.com>
Content-Type: text/plain; charset=ISO-8859-1
Archived-At: <http://mailarchive.ietf.org/arch/msg/isis-wg/lU5Nk55wqaBLScKMsiQS3XaOTjY>
Cc: "draft-ietf-isis-extended-sequence-no-tlv.shepherd@ietf.org" <draft-ietf-isis-extended-sequence-no-tlv.shepherd@ietf.org>, "isis-chairs@ietf.org" <isis-chairs@ietf.org>, "chopps@chopps.org" <chopps@chopps.org>, "draft-ietf-isis-extended-sequence-no-tlv.ad@ietf.org" <draft-ietf-isis-extended-sequence-no-tlv.ad@ietf.org>, The IESG <iesg@ietf.org>, "draft-ietf-isis-extended-sequence-no-tlv@ietf.org" <draft-ietf-isis-extended-sequence-no-tlv@ietf.org>, "isis-wg@ietf.org" <isis-wg@ietf.org>
Subject: Re: [Isis-wg] Barry Leiba's No Objection on draft-ietf-isis-extended-sequence-no-tlv-05: (with COMMENT)
X-BeenThere: isis-wg@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF IS-IS working group <isis-wg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/isis-wg>, <mailto:isis-wg-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/isis-wg/>
List-Post: <mailto:isis-wg@ietf.org>
List-Help: <mailto:isis-wg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/isis-wg>, <mailto:isis-wg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 21 Apr 2015 16:11:50 -0000

Hi, Uma, and thanks for the response.

>> With respect to keeping the ESSN increasing, you mention cold-starting
>> the router... but what about when the router hardware is replaced?
...
> [Uma]: Right, 10.1 should cover this. As specified in 10.1, 2nd paragraph
> ".. especially after cold restarts or any other similar events."
...
> [Uma]: Yes, changing keys is the last resort, per 10.2 -
> " If the non-volatile
>    storage is ever repaired or upgraded such that the contents are lost,
>    keys MUST be changed to prevent replay attacks."
>
> FWIW, I can change "upgraded" to "router hardware is upgraded"!

Thanks.  I was just "thinking out loud", and I do see that
everything's covered.  If you think adding "router hardware" is
useful, go ahead and add it... but I'm satisfied with it as it is.

Barry