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

Mike Jones mike at
Sat Jan 19 06:26:53 UTC 2013

On 19 January 2013 04:48, Doug Barton <dougb at> wrote:
> No, because NAT-like solutions to perpetuate v4 only handle the client side
> of the transaction. At some point there will not be any more v4 address to
> assign/allocate to content provider networks. They have seen the writing on
> the wall, and many of the largest (both by traffic and market share) have
> already moved to providing their content over v6.

Potentially another source of IPv4 addresses - every content network
(/hosting provider/etc) that decides they don't want to give their
customers IPv6 reachability is a future bankrupt ISP with a load of
IPv4 to sell off :)

- Mike

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