Likes https://twitter.com/bradfitz/status/1278452584156557312.
I’ve been rewriting much of @Tailscale’s NAT/etc code below wireguard w/ explicit route discovery system.
When it messages a peer ip:port endpoint & says its known endpoints & that its firewall is now open for ~30s & invite peer to connect:
disco.CallMeMaybe{MyNumber: []…}
😜
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