Microsoft's participation in World IPv6 day

Owen DeLong owen at
Wed Jun 8 07:09:16 UTC 2011

On Jun 7, 2011, at 9:59 PM, Martin Millnert wrote:

> Owen,
> On Tue, Jun 7, 2011 at 11:47 PM, Owen DeLong <owen at> wrote:
>> LSN is required when access providers come across the following two
>> combined constraints:
>>        1.      No more IPv4 addresses to give to customers.
>>        2.      No ability to deploy those customers on IPv6.
> 2 has little bearing on need of LSN to access v4.  Insufficient amount
> of IPv4 addresses => LSN required.
> Regards,
> Martin

No, if you have the option of deploying the customers on IPv6, you don't
need LSN.

The problem is that until the vast majority of content is dual-stack, you can't
deploy customers on IPv6 without IPv4.


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