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NAT Traversal - Success Probability Using STUN

I am developing a P2P application and I need to use STUN and / or TURN to bypass NAT. I examined the problems that arise when using only STUN (basically it doesn’t always work because it is UDP, and some firewalls will not like it - the reason is not as interesting as in my question), and I continue to see recommendations on using STUN and TURN for backup (ICE scheme).

But everywhere I look, I just see STUN people as "I hardly always work." I am looking for some specific numbers / statistics. I could try to create them myself, but I don't have enough clients for a significant example.

So, I was wondering if anyone could shed light on statistics on the success rate of using STUN to bypass NAT. How many peers will not be able to connect if I cannot use TURN as a backup?

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Depending on who your customers are, where they are located, and the types of devices they use (PC vs. mobile), the results may vary.

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  • . ( ) NAT.

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Source: https://habr.com/ru/post/1540523/

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