Re: ULA scope [draft-ietf-6man-rfc3484-revise-05.txt]

Mark Andrews <marka@isc.org> Tue, 20 March 2012 11:04 UTC

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To: Marc Lampo <marc.lampo@eurid.eu>
From: Mark Andrews <marka@isc.org>
References: <4EB3F3D6.4090302@innovationslab.net><4EEA3D20.7020603@innovationslab.net><CAKFn1SFvs0PzBXtEWWo814Oe5TJmbQEJBm5FeYJY5xzrr=KFSw@mail.gmail.com><4EEA5793.8080800@gmail.com><CAKFn1SHA-=cQ_=5rJVLVMvQYXoTL_D1dCR=uWZK-qFrcGp6P-w@mail.gmail.com><4EEA7AF8.2090508@gmail.com><CAC1-dtn9M8-9cPAmkhCiGV0Gi5+Gfs8GAssTOaA-ZFhyUY3feg@mail.gmail.com><9B57C850BB53634CACEC56EF4853FF653B3C3777@TK5EX14MBXW601.wingroup.windeploy.ntdev.microsoft.com><9B57C850BB53634CACEC56EF4853FF653B3EDB9E@TK5EX14MBXW601.wingroup.windeploy.ntdev.microsoft.com><E6E7EE34-8244-40B6-84C1-C79E8BDE7921@nttv6.net><4F3ABFBA.8060605@gmail.com><29EBA88D-BDB1-464C-915F-B9063578DC51@nttv6.net><9B57C850BB53634CACEC56EF4853FF653B45BB08@TK5EX14MBXW604.wingroup.windeploy.ntdev.microsoft.com><C8827D58-5C69-4A44-B9CE-86791466814E@nttv6.net><4F63896E.10607@gmail.com> <CAFtBC=8=__8GdtExB8oYgA7pOfjxNfXCLzuOXz7_UKCPhwjenw@mail.gmail.com> <5B6B2B64C9FE2A489045EEEADDAFF2C3043A22C2@XMB-RCD-109.cisco.com> <4F64026B.8080308@gmail .com> <9B57C850BB5 3634 CACEC56EF4853FF653B4A639F@TK5EX14MBXW603.wingroup.windeploy.ntdev.microsoft.com> <00f801cd05a2$abfce190$03f6a4b0$@lampo@eurid.eu> <20120319141402.DAECF1EAC06D@drugs.dv.isc.org> <01f401cd05dc$20914df0$61b3e9d0$@lampo@eurid.eu> <20120319220801.964E91EAD466@drugs.dv.isc.org> <20120319222906.843801EAD52B@drugs.dv.isc.org> <006e01cd0668$898f0770$9cad1650$@lampo@eurid.eu>
Subject: Re: ULA scope [draft-ietf-6man-rfc3484-revise-05.txt]
In-reply-to: Your message of "Tue, 20 Mar 2012 08:10:31 BST." <006e01cd0668$898f0770$9cad1650$@lampo@eurid.eu>
Date: Tue, 20 Mar 2012 22:04:15 +1100
Message-Id: <20120320110416.580611EB7252@drugs.dv.isc.org>
Cc: ipv6@ietf.org, 'Brian Haberman' <brian@innovationslab.net>, 'Bob Hinden' <bob.hinden@gmail.com>, 'Arifumi Matsumoto' <a@arifumi.net>, 'Dave Thaler' <dthaler@microsoft.com>
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In message <006e01cd0668$898f0770$9cad1650$@lampo@eurid.eu>, "Marc Lampo" write
s:
> Hello,
> 
> I understand what you are writing, but is this the right way ?
 
Yes.  It was always intended that this be updatable network wide.

http://tools.ietf.org/html/draft-fujisaki-dhc-addr-select-opt-09

> The address selection table is, as far as I understand,
> statically defined - not dynamically configurable (SLAAC or DHCPv6).
> So, the suggestion is to adapt the table on every node of
> the organisation.

Yep.  DHCP does this sort of thing very well.

> In other words, every node in the organisation is somehow
> - via the address selection table - aware of the organisations
> network topology (VPN's and so).
> Is this desired ?

Sure, why not?  Lots of equipment won't need to know it but they are
all capable of processing.
 
> Kind regards,
> 
> Marc Lampo
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org