[131354] in North American Network Operators' Group
RE: Only 5x IPv4 /8 remaining at IANA
daemon@ATHENA.MIT.EDU (Ben Butler)
Fri Oct 22 11:40:12 2010
From: Ben Butler <ben.butler@c2internet.net>
To: "NANOG" <nanog@nanog.org>
Date: Fri, 22 Oct 2010 16:39:56 +0100
In-Reply-To: <4CC19092.7000207@ttec.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
" see a potential result of huge swathes of v4 resources reusable by =
these companies, probably dwarfing the reclaimable resources most any =
other provider without a similar customer profile will have."
See this is at the hub of it as well, is it a reusable resource, or is =
it an obsolete one? Should it be getting resused for multi-homeing or =
content providers, or should it be retired by the ISP that has migrated =
their subs onto v6?
I think if we continue with a mind set that v4 is a previous resource =
and once I have freed it up by moving to v6 I must hang onto it and of =
course if I have got some free I best deploy it again for a new customer =
- this seems completely circular to me. I think the question is:
1> Are we attempting to migrate from IPv4 to IPv6 and end up at a place =
ultimately where IPv4 is fully intended to be retired.
Or
2> Are we simply intending to extend the address space with IPv6 and =
continue to pretty much carry on business as normal with existing IPv4 =
deployments in any meaningly foreseeable time frame and run a dual stack =
network. Further more that it is ok to reutilize any free up IPv4 space =
along the way as we are never planning on retiring it anyway.
I personally think it should be the first of those, but my opinion =
doesn't really count for squat. Ultimately I would rather we be clear =
about what we are wishing / aspiring / trying to achieve and then set =
about achieving it collectively. If the collective view is that it is =
not a migration but a co-existence that we are aiming for then ok, lets =
stop pretending otherwise, if however the collective direction is =
migration then can we please collectively do our best to facilitate and =
encourage the migration. As opposed to having various tactics to drag =
out the migration as long as possible as some think that if they drag =
their feet in perpetuity that the v4 to v6 bridging magic will become =
the duty of the service provider to make it work for content providers =
and subscribers that don't want to update CPE routers or rewrite code =
where nessacery.
If we, as a community of operators are going to get on and deploy IPv6 =
and we agree it's a migration the lets get doing and set some targets =
dates / BCP for when it is reasonably expected that net/sys admins will =
have completed the rollout and by whatever contractual or commercial / =
technical means migrated their customers. If, however, we as a =
community don't want migration but cohabitation then lets do that. =
Which one do we ultimately want?
Ben
-----Original Message-----
From: Joe Maimon [mailto:jmaimon@ttec.com]=20
Sent: 22 October 2010 14:25
To: Matthew Petach
Cc: NANOG
Subject: Re: Only 5x IPv4 /8 remaining at IANA
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Ben Butler
Director Tel: 0333 666 3332=20
Fax: 0333 666 3331
C2 Business Networking Ltd
The Paddock, London Road, Nantwich, Cheshire, CW5 7JL
http://www.c2internet.net/
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