Percentage of computers on Internet behind a NAT?

Posted by Mr.M on Server Fault See other posts from Server Fault or by Mr.M
Published on 2011-06-28T06:51:04Z Indexed on 2011/06/28 8:24 UTC
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networking

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nat

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internet

I'm in a process of developing a server application and I would like to know if there are some numbers (or experience from people) on how many computers are behind the NAT on the Internet?

Since my application is supposed to be a small server, being forced to implement UPNP support and TCP hole-punching with an external server may sway my determination, especially if more than 80% of the Internet is behind NAT.

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