Wait wait wait, you can re-use client ports for multiple connections? Does this ...

lilyball on Nov 6, 2015 | parent | context | favorite | on: The Road to 2M Websocket Connections in Phoenix

Wait wait wait, you can re-use client ports for multiple connections? Does this actually make it past NATs? Why does every TCP connection get a unique client port by default if there's no problem with reusing them as long as you're talking to a different {ServerIP,ServerPort} pair?