Go does not forces you to do any of that: https://github.com/panjf2000/gnet https://github.com/panjf2000/gnet ( and as you can see it's as fast as the fastest C

Go does not forces you to do any of that: https://github.com/panjf2000/gnet https://github.com/panjf2000/gnet ( and as you can see it's as fast as the fastest C++ lib ) Go provides go routines as a building block, it's up to you to use that or use something else ( reactor pattern, epoll ect ... )