The existence of the request itself (for the handshake) is most of the cost. If a client is on the other side of the world, hundreds of ms. Otherwise if you hav

The existence of the request itself (for the handshake) is most of the cost. If a client is on the other side of the world, hundreds of ms. Otherwise if you have servers everywhere, still probably 50-70ms for the handshake. Edit: in my experience.