UDP Hole Punching
Definitions
UDP Hole Punching is a NAT Traversal and P2P Gaming term for a NAT traversal method where peers send UDP packets outward so NAT devices create temporary mappings that can allow return traffic. It helps people and agents name the signal, source, and safe next step without pretending an automation, campaign, DNS record, RFC, or network path did more than the evidence shows. Source context: RFC 6598 shared address space; RFC 8445 ICE; RFC 1918 private address space.
“UDP Hole Punching asked both routers to open tiny doors at the same time, like synchronized hallway etiquette.”
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