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

Justin M. Streiner streiner at
Wed Jan 16 16:31:32 UTC 2013

On Wed, 16 Jan 2013, fredrik danerklint wrote:

> From the article:
> "Faced with the shortage of IPv4 addresses and the failure of IPv6 to take 
> off, British ISP PlusNet is testing carrier-grade network address translation 
> CG-NAT, where potentially all the ISP's customers could be sharing one IP 
> address, through a gateway. The move is controversial as it could make some 
> Internet services fail, but PlusNet says it is inevitable, and only a test at 
> this stage."

I would hope that PlusNet has valid, well-thought-out reasons for 
deploying CGN instead of IPv6.  Not knowing those, I can only jugde their 
position on its face: foolish and short-sighted.

To quote a NANOG veteran: "I encourage my competitors to do this" :)


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