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[rpd] A typical conversation with a service provider on v6

Mark Tinka mark.tinka at
Tue Jun 17 05:36:24 UTC 2014

On Tuesday, June 17, 2014 12:41:56 AM Owen DeLong wrote:

> > +1 but realistically speaking is there anything like v6
> > only resource at the moment?

Outside purposes of testing by power users, doubtful.

But I assume there will be in the future (which is 
inevitable, due to the guaranteed rising costs of 
maintaining an IPv4 Internet), so I build out on that basis.

> 1.	Continued growth in the IPv4 customer space is going
> to drive ISP costs in the residential markets in most of
> the developed world to a point where those providers can
> no longer support IPv4 without increasing rates. These
> rate payers tend to be very price sensitive, so there is
> strong disincentive here.


And this is going to impact mobile providers, the world 
over, who are spending more time investing in NAT44 than 

> 2.	Continued fragmentation of the IPv4 address space as
> the address transfer market gains momentum in
> ARIN/RIPE/APNIC regions will drive routing table growth
> which is already on the brink of breaking several core
> routers in active use today. This cost of sustaining
> IPv4 will force changes which will lead to fragmentation
> and further degradation of the service that can be
> offered over IPv4.

I think we have seen a bunch of operators running Cisco 
6500's/7600's that are struggling to keep up, in recent 
weeks - and this platform has had known issues for scaling 
its FIB for a while now.

This will only get worse.

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