Re: [v6ops] draft-moreiras-v6ops-rfc3849bis-00

Bill Jouris <bill.jouris@insidethestack.com> Mon, 12 August 2013 17:57 UTC

Return-Path: <bill.jouris@insidethestack.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B3B5A21F9DA0 for <v6ops@ietfa.amsl.com>; Mon, 12 Aug 2013 10:57:36 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.598
X-Spam-Level:
X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KhecwdcuIC79 for <v6ops@ietfa.amsl.com>; Mon, 12 Aug 2013 10:57:30 -0700 (PDT)
Received: from nm20-vm1.access.bullet.mail.gq1.yahoo.com (nm20-vm1.access.bullet.mail.gq1.yahoo.com [216.39.63.18]) by ietfa.amsl.com (Postfix) with ESMTP id BF0AE21F9D9C for <v6ops@ietf.org>; Mon, 12 Aug 2013 10:57:29 -0700 (PDT)
Received: from [216.39.60.166] by nm20.access.bullet.mail.gq1.yahoo.com with NNFMP; 12 Aug 2013 17:57:28 -0000
Received: from [216.39.60.233] by tm2.access.bullet.mail.gq1.yahoo.com with NNFMP; 12 Aug 2013 17:57:28 -0000
Received: from [127.0.0.1] by omp1004.access.mail.gq1.yahoo.com with NNFMP; 12 Aug 2013 17:57:28 -0000
X-Yahoo-Newman-Property: ymail-3
X-Yahoo-Newman-Id: 571958.69624.bm@omp1004.access.mail.gq1.yahoo.com
Received: (qmail 41924 invoked by uid 60001); 12 Aug 2013 17:57:28 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1376330248; bh=9bNouxr1EBG1ffNUfjoJrjyUC03zATL8+ujltBcm/y4=; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=h6q9Xx4/ckOyWrKGryQiwtMk7Gfd3ZiB8n/CjTkeeq5d/48DpEVN7yCJ0JIZbJl5BiUoKZabZRoxTxQ3mWkkQ6RtfcUn63WAIALhtn5zkBm9MfdLK8T8yulhVq/j3euScOD8QLaNPnDd6QXXt6KacoBb949Z9pDA9X3upSUsAeU=
X-YMail-OSG: eRB2GcoVM1ke3fJTBF2nDD3K9a0DvTNwSJTqpW9oSCmtG.I mG__WruVIeog2wG9E4gqTtmjrpyRK8BpAxqDvZ.w2zvZJwXDT8_nf37fF7OU BZe45HwkWL.X59sGcu7r7yNv97HzfWZ3u_W3rpOgBOPWt4o1XtFtVuajHELj VC2JBhFzRca8iPAfkuM1ONqqniK7gW_5QzJ2P37BlTkI0fPpM5js3IMkfhg7 nPHf.YRxfKA5DZmVwKjYMY9O2jP37R5YTAkFTzqaR479VWJoRBbizDiROmRI 93ifnjoUKBKkmYgq.xE_Qh5u6WcjD.LZLsARIKVMr2iDLgGFcxqCwuk6Mjha BaizJ0s897F9Mf6NUJQUKUdfFz.QO1GfoDkA0m88erU3ZPipTpoEEt4OK89S dK1yGIn.gotgiVnWK3HKwyBYu0806ob8NbFDvaZcwlgtNqbqXBRDFTlcDgLD eQlppIfrVA4hMG31GDrXcgooKYlvZTGDvLQHYHrmQ.riYqDZ4mdCvIZVh1cu 7s07fY0qEbaVQUdevMXquGt7VXNbMMtz5TjV1BD9eblWvdP3vC.F7RF.T0mT ZTC8JKp6WNNUAjE4Di_rzF7ITJunMgMOdW9uTS4J405dzzQWuRhkE5taQIF8 daDIug4WxvUGKTNPWu8hfeGPU3RYZeYIxPAVkpCN1Fe5UV3LXxWiFjNk-
Received: from [50.143.174.186] by web2806.biz.mail.ne1.yahoo.com via HTTP; Mon, 12 Aug 2013 10:57:27 PDT
X-Rocket-MIMEInfo: 002.001, PiBGcm9tOiBPd2VuIERlTG9uZyA8b3dlbkBkZWxvbmcuY29tPgo.IFRvOiBNYXJrIEFuZHJld3MgPG1hcmthQGlzYy5vcmc.IAo.IENjOiBBbGVqYW5kcm8gQWNvc3RhIDxhYWNvc3RhQHJvY2tldG1haWwuY29tPjsgdjZvcHNAaWV0Zi5vcmcgCj4gU2VudDogTW9uZGF5LCBBdWd1c3QgMTIsIDIwMTMgMTA6MDAgQU0KPiBTdWJqZWN0OiBSZTogW3Y2b3BzXSBkcmFmdC1tb3JlaXJhcy12Nm9wcy1yZmMzODQ5YmlzLTAwCiAKPgo.PiAKPj4gQWxsIGEgZG9jdW1lbnRhdGlvbiBwcmVmaXggd2lsbCBkbyBpcyBoYXYBMAEBAQE-
X-Mailer: YahooMailWebService/0.8.154.571
References: <5207D42F.2030302@nic.br> <5207E319.6070601@nic.br> <B66D2D0C-DE6D-49CC-A87A-7C65B5360DB4@delong.com> <52082128.5090503@nic.br> <20130812002740.34191383D34B@drugs.dv.isc.org> <8C0CB3D0-1D03-4A2D-BEF5-166A8BFB9B94@delong.com>
Message-ID: <1376330247.41781.YahooMailNeo@web2806.biz.mail.ne1.yahoo.com>
Date: Mon, 12 Aug 2013 10:57:27 -0700 (PDT)
From: Bill Jouris <bill.jouris@insidethestack.com>
To: Owen DeLong <owen@delong.com>
In-Reply-To: <8C0CB3D0-1D03-4A2D-BEF5-166A8BFB9B94@delong.com>
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="1510626085-1351415829-1376330247=:41781"
Cc: "v6ops@ietf.org" <v6ops@ietf.org>
Subject: Re: [v6ops] draft-moreiras-v6ops-rfc3849bis-00
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
Reply-To: Bill Jouris <bill.jouris@insidethestack.com>
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 12 Aug 2013 17:57:36 -0000

> From: Owen DeLong <owen@delong.com>
> To: Mark Andrews <marka@isc.org> 
> Cc: Alejandro Acosta <aacosta@rocketmail.com>om>; v6ops@ietf.org 
> Sent: Monday, August 12, 2013 10:00 AM
> Subject: Re: [v6ops] draft-moreiras-v6ops-rfc3849bis-00
 
>
>> 
>> All a documentation prefix will do is have one potentially toxic
>> prefix compared to a handful of potentially toxic prefixes.  There
>> are 1099511627776 prefixes in fd00::/8.  Even if there were thousands
>> of documentation prefixes the odds of you hitting one when generating
>> your own prefix are astronomically small.  Additionally the more
>> prefixes that are used in documentation the less toxic a particular
>> prefix will be.

> No, it will also help to constrain such errors to an easily identifiable single
> prefix which will make the errors easier to identify and correct. This is, IMHO,
> a worth while goal in the real world where operators actually run networks
> and have to deal with less than ideally trained predecessors and colleagues.
>
> Owen

One other thing: if you have a single documentation prefix, you can actually build that knowledge into your firewalls and routers -- meaning that anyone who does a copy without change will immediately find that his addresses simply don't work.  Making that particular error essentially self-correcting,

Bill Jouris
Inside Products, Inc.
www.insidethestack.com
831-659-8360
925-855-9512 (direct)