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Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?

"Howard, Lee" <lee.howard@twcable.com> Wed, 04 November 2015 23:33 UTC

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From: "Howard, Lee" <lee.howard@twcable.com>
To: Lorenzo Colitti <lorenzo@google.com>, Mark Smith <markzzzsmith@gmail.com>
Thread-Topic: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?
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Date: Wed, 04 Nov 2015 23:33:47 +0000
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Cc: v6ops list <v6ops@ietf.org>
Subject: Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?
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From: v6ops <v6ops-bounces@ietf.org<mailto:v6ops-bounces@ietf.org>> on behalf of Lorenzo Colitti <lorenzo@google.com<mailto:lorenzo@google.com>>
Date: Tuesday, November 3, 2015 at 9:18 PM
To: Mark Smith <markzzzsmith@gmail.com<mailto:markzzzsmith@gmail.com>>
Cc: 'IPv6 Operations' <v6ops@ietf.org<mailto:v6ops@ietf.org>>
Subject: Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?
 I'd rather we accept a slightly lower adoption rate as the price of doing it right.

Speaking only as an operator, I disagree.
Operators need IPv6 to be universally adopted before they run out of IPv4 addresses. Otherwise, they will have to deploy some form of NAT.
Your argument says that any of the set of NAT444 or address family transition service is preferable to ULA (which, especially in the absence of NAT66/NPT66, doesn't make sense to me(.


IPv6 adoption seems to be growing just fine at the moment. If NAT is what you want, use IPv4.

It is growing, and it's good to see. It is not growing fast enough, or we wouldn't need transition technologies or CGN.

Lee


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