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

Owen DeLong owen at delong.com
Fri Jan 18 01:17:48 UTC 2013


On Jan 17, 2013, at 4:30 PM, Jeff Kell <jeff-kell at utc.edu> wrote:

> On 1/17/2013 6:50 PM, Owen DeLong wrote:
>> Vonage will, in most cases fail through CGN as will Skype, Xbox-360,
>> and many of the other IM clients. 
> 
> Not sure about Vonage, but Skype, Xbox, and just about everything else
> imaginable (other than hosting a server) works just fine over NAT with
> default-deny inbound here, and we have several thousand students in the
> dorms that bang the heck out of those services.  Most applications have
> adapted to the SOHO NATing router that is prevalent today on broadband
> internet.  And if it didn't work, believe me, I'd hear about it :)
> 

NAT yes.

NAT + NAT (NAT444 or CGN which is what we are talking about here), not so much.

Owen




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