Lua, Sockets

https://ilovelua.wordpress.com/%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%87%D0%B0-%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D1%85-%D0%BF%D0%BE-%D1%81%D0%B5%D1%82%D0%B8-%D1%81-luasocket/

https://stackoverflow.com/questions/42783263/lua-tcp-ip-simple-client-server-connection

http://w3.impa.br/~diego/software/luasocket/introduction.html

https://github.com/diegonehab/luasocket/tree/master/samples

https://www.lua.org/pil/9.4.html

https://coronalabs.com/blog/2014/09/23/tutorial-local-multiplayer-with-udptcp/

https://realtimelogic.com/ba/doc/en/lua/SockLib.html

http://lua-users.org/lists/lua-l/2011-03/msg00184.html

Video
https://www.youtube.com/watch?v=qVWOaRYpli0

https://www.youtube.com/watch?v=JtuwmPC0PdE

https://www.youtube.com/watch?v=jREbAopWqKU