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

David Swafford david at
Sat Jan 19 04:39:51 UTC 2013

There is no "suckerage" to V6.   Really, it's not that hard.  While
CGN is the reality, we need to keep focused on the ultimate goal -- a
single long term solution.  Imagine a day where there is no dual
stack, no IPv4, and no more band-aids.   It will be amazing.


On Fri, Jan 18, 2013 at 9:48 AM, Joe Maimon <jmaimon at> wrote:
> 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.
> Joe

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