Cost of IPv6 for IT operations team
Brian E Carpenter
brian.e.carpenter at gmail.com
Fri Mar 27 14:50:19 CET 2015
On 28/03/2015 01:56, BERENGUER Christophe wrote:
> I have found the figure in this document : https://tools.ietf.org/html/draft-lopez-v6ops-dc-ipv6-05#section-3.4
That is a very old and expired personal draft, not an IETF document. Very dangerous
to rely on such a document. It was eventually replaced by a working group draft
but that has not been accepted to become an RFC and has also expired
after an unsuccessful WG Last Call.
(You can always check the status of an Internet-Draft at
But in any case, look at the full context:
Depending of the complexity of the DC network, provisioning and other
factors we estimate that the extra costs (and later savings) may be
around between 15 to 20%.
Note the parenthesis!
> Christophe BERENGUER
> Fixe : +33 (0)1 49 03 85 86
> christophe.berenguer at solucom.fr
> Tour Franklin : 100 - 101 terrasse Boieldieu
> 92042 Paris La Défense Cedex
> De : Brian E Carpenter <brian.e.carpenter at gmail.com>
> Envoyé : vendredi 27 mars 2015 13:21
> À : BERENGUER Christophe
> Cc : Ted Mittelstaedt; ipv6-ops at lists.cluenet.de
> Objet : Re: Cost of IPv6 for IT operations team
>> The 20% figure is based on an IETF document
> Which one? We can fix that if people think it's wrong.
> (This comes just too late for yesterday's v6ops meeting
> at the IETF in Dallas.)
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