From: Jon Lewis (no email)
Date: Tue Oct 02 2007 - 15:06:42 EDT
On Tue, 2 Oct 2007, William Herrin wrote:
> As far as I can tell, IPv6 is at least theoretically capable of
> offering exactly two things that IPv4 does not offer and can't easily
> be made to offer:
>
> 1. More addresses.
> 2. Provider independent addresses
>
> At the customer level, #1 has been thoroughly mitigated by NAT,
> eliminating demand. Indeed, the lack of IPv6 NAT creates a negative
> demand: folks used to NAT don't want to give it up.
At the internet access customer level perhaps. As a hosting provider, try
telling your customers "here's your IPv4 /32. If you need more IPs, just
use NAT." and see how many customers you retain.
The problem is, when we can't get more IPv4 IPs, and we have to assign
addresses to customers, what do we do? Give them IPv6 IPs only? Then how
does the IPv4 internet (all those people who didn't need or want v6
because they've got NAT) get to those customers?
At some point, everyone's going to need to upgrade in order to "stay on
the internet."
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Jon Lewis | I route
Senior Network Engineer | therefore you are
Atlantic Net |
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