Why do we still need IPv4 when we are migrating to IPv6...

Anfinsen, Ragnar Ragnar.Anfinsen at altibox.no
Thu Feb 12 14:24:58 CET 2015

On 12.02.15, 09.16, "Mikael Abrahamsson" <swmike at swm.pp.se> wrote:

>On Wed, 11 Feb 2015, Anfinsen, Ragnar wrote:
>> So, any thoughts on this topic, and any qualified guesses on when we no 
>> longer need to do IPv4 and still be able to call our internet product 
>> premium?
>Depends. Are you selling Internet access for data center hosting, for 
>business or for residential or for some other customer base?

Mostly residential and some business.

>If you want to support "power users" with your "premium product", then 
>imagine you need IPv4 address on your services for at least 5 more years. 
>There are use cases where power residential/business users can't get 
>applications running with port forwarding etc with CGN where multiple 
>customers share a single IPv4 address.
>If you want to support 90% of the residential customer base, and perhaps 
>50-80% of the corporate one, then I'd say you could stick them behind CGN 
>of some kind right now. You decide if that would be "Premium" or not.
>For data center, just charge extra for the IPv4 address and it'll sort 
>itself. Generally I would do the same across the entire customer base, 
>start charging extra for GUA IPv4 address and then you'll see what 
>customers care and who do not. Even it you charge a few EUR per month, 
>people who do not care will not opt for this, and you can stick them 
>behind CGN. The ones who do pay will pay enough so you can rent or buy 
>IPv4 addresses if you don't free up enough of them with your existing 
>customers being moved behind CGN.
>When you roll new customers to behind a CGN I would highly recommend to 
>provide IPv4 connectivity by means of tunneling it over IPv6, such as 
>lw4o6, MAP-E or alike.
>Mikael Abrahamsson    email: swmike at swm.pp.se

Thank you, Mikael. Appreciate the feedback.


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