Slashdot: UK ISP PlusNet Testing Carrier-Grade NAT Instead of IPv6

Joe Maimon jmaimon at
Fri Jan 18 17:48:18 UTC 2013

Lee Howard wrote:

> You are welcome to deploy it if you choose to.
> Part of the reason I'm arguing against it is that if everyone deploys it,
> then everyone has to deploy it.  If it is seen as an alternative to IPv6
> by some, then others' deployment of IPv6 is made less useful: network
> effect.  Also, spending money on CGN seems misguided; if you agree that
> you're going to deploy IPv6 anyway, why spend the money for IPv6 *and
> also* for CGN?
> Lee

Suppose a provider fully deploys v6, they will still need CGN so long as 
they have customers who want to access the v4 internet.

Unfortunately, that may have the side effect of undercutting some 
portion of v6's value proposition, inversely related to its suckage.


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