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Because NAT. Most commonly used as port address translation (One-to-many NAT), so operates with TCP and UDP. That is not only home router issue, mobile netowork
by ZWoz 7y ago
Because NAT. Most commonly used as port address translation (One-to-many NAT), so operates with TCP and UDP.
That is not only home router issue, mobile netoworks use sometimes Carrier-grade NAT (NAT444).
Any new IP protocol has problem with that, so nobody wants to implement something that is going to be broken for most customers.
- vinay_ys 7y agoYeah, that's the reason for UDP wrapping the custom protocol.