Subj : RIPE to run out of IPv4 this week?
To   : Michiel van der Vlist
From : Andre Grueneberg
Date : Sun Aug 05 2012 13:10:26

Hi Michiel

Michiel van der Vlist schrieb:

 MvdV> Another interesting date may be when the first OS will stop
 MvdV> support for IPv4. Or the first router vendor. Eventually that
 MvdV> will happen of course. 

This will take way longer. I'd rather expect some new OS to come out without IPv4. For a long time, (minimal) IPv4 support will be needed for several transition methods. So linke OSs were the first to support IPv6, they'll be the last to deprecate IPv4 ... it's just software which has already been implemented. At least BSDs, Linux and Windows still support hardware which you cannot purchase for 15 years or more.

 AG>> We'll see ... I'm repeating myself ... I do not believe in future
 AG>> plans of others. :)
 MvdV> What about their rationale? I think the do have a point.
 MvdV> Maintaining dual stack is an increased effort and incereases the
 MvdV> risk of holes that are overlooked. It DOES make sense to ditch it
 MvdV> as soon as possible.

No, it's not a major piece of work for most of it. All you need is a translation device in your border ... you can easily (re)build your internal network IPv6 only ... only the outside facing systems (usually some kind of ALG or load-balancer anyway) needs to have IPv4. Just see Tore Anderson's presentation at RIPE64 ... I believe he's got a good point.
https://ripe64.ripe.net/presentations/67-20120417-RIPE64-The_Case_for_IPv6_Only _Data_Centres.pdf

 MvdV>>> You are there long enough to learn the language?
 AG>> I'm here for the language course. ;)
 MvdV> So can you buy a bottle of milk in Estonian? 

Ma soovin üks pudel piima, palun.

 MvdV> Write a thesis on the relative merits of DHCP6 versus stateless 
 MvdV> autoconfiguration? ;-)

I wouldn't want to do that in any language. ;)

CU Andre               E-Mail: andre@grueneberg.de 
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