On Jun 7, 2011, at 9:59 PM, Martin Millnert wrote: > Owen, > > On Tue, Jun 7, 2011 at 11:47 PM, Owen DeLong <o...@delong.com> 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. Owen