Re: [Fwd: I-D Action: draft-carpenter-6man-why64-01.txt]

Jen Linkova <furry13@gmail.com> Wed, 12 March 2014 09:38 UTC

Return-Path: <furry13@gmail.com>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 782C11A0946 for <ipv6@ietfa.amsl.com>; Wed, 12 Mar 2014 02:38:06 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.75
X-Spam-Level:
X-Spam-Status: No, score=-1.75 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, 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 AYZsOtgmB1NA for <ipv6@ietfa.amsl.com>; Wed, 12 Mar 2014 02:38:01 -0700 (PDT)
Received: from mail-qa0-x22f.google.com (mail-qa0-x22f.google.com [IPv6:2607:f8b0:400d:c00::22f]) by ietfa.amsl.com (Postfix) with ESMTP id A5DDB1A0930 for <ipv6@ietf.org>; Wed, 12 Mar 2014 02:38:01 -0700 (PDT)
Received: by mail-qa0-f47.google.com with SMTP id w5so9594707qac.20 for <ipv6@ietf.org>; Wed, 12 Mar 2014 02:37:55 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=d4M+yZtDctplZEjGJ0F6dmZZ0REXlGKkNVIh9sg5/+U=; b=s20+A5TRF76OF7goJrG6izvYEWFTYFG40y2lhILIM8EkbDY2T8gh68srYNW0g5wgoy ofekT2dTvSeDY2rANJi2as6T7nqO4NzNxNFFWC8M7XWcMnaNDjO4Q/9bj4Ez8lLmP7vW wiQUL5OMuYWFvN8x1VOp/ywHVgZXN3Fd0HXYeZvdOmeHVLFqQlr6MomxVdn/AW6mRifB IFE1WvIQU8RLH/frfTBF/j87k5JRhTVxcX4M22RPOiJaj2NtCjRYiGGLwGu088f4ELT1 weJ7Pbe+srHwFO4Bk1HJe4cIWvFjkQFZsRMxqOf5FkPOcDBbQyc1TKR1VOqLPuC6gcI/ tWaA==
X-Received: by 10.140.87.172 with SMTP id r41mr829825qgd.101.1394617075535; Wed, 12 Mar 2014 02:37:55 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.224.27.20 with HTTP; Wed, 12 Mar 2014 02:37:35 -0700 (PDT)
In-Reply-To: <531816D9.4050200@fud.no>
References: <52F2DC55.5070200@gmail.com> <CAFU7BATyuEoK_TEqAXqz2ONvuO9P0y45SpJ-q7DHsmF4pBaezg@mail.gmail.com> <531816D9.4050200@fud.no>
From: Jen Linkova <furry13@gmail.com>
Date: Wed, 12 Mar 2014 10:37:35 +0100
Message-ID: <CAFU7BASks087R1NgU=ojvBYqTpwm9ukwEp_+4z5AZ6L-phTkzA@mail.gmail.com>
Subject: Re: [Fwd: I-D Action: draft-carpenter-6man-why64-01.txt]
To: Tore Anderson <tore@fud.no>
Content-Type: text/plain; charset="ISO-8859-1"
Archived-At: http://mailarchive.ietf.org/arch/msg/ipv6/hvRb8dueKFjUHLgIMZc8a6_KuXM
Cc: 6man <ipv6@ietf.org>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 12 Mar 2014 09:38:06 -0000

On Thu, Mar 6, 2014 at 7:34 AM, Tore Anderson <tore@fud.no> wrote:
> * Jen Linkova
>
>> I have a comment on section 5.2 which says
>>
>> 'There have been unconfirmed assertions that some routers have a
>>    performance drop-off for prefixes longer than /64, due to design
>>    issues.'
>>
>> I can confirm that there *are* network devices which have issues with
>> prefixes longer than /64 (such as, for example, seriously limiting
>> number of such prefixes being installed in FIB etc).
>
> Your statement looks very much like an unconfirmed assertion to me...
>
> Could you be more specific? Which vendors, products, software versions,
> have what kind of issue(s) specifically with prefixes >/64, exactly?


Juniper PTX has some h/w limitation so they initially could not
install /65 - /126 into FIB. Currently it is possible but for limited
number of routes.

AFAIR some other cases were mentioned in ipv6-ops@ mailing list while ago
(in the  "point-to-point /64" thread:
http://lists.cluenet.de/pipermail/ipv6-ops/2013-June/008937.html).

On WG session someone else mentioned issues with prefixes longer than
/64 - but I cannot recall who was it..;(


-- 
SY, Jen Linkova aka Furry