There are always multiple ways to achieve the same outcome. Here is an excellent networking guide http://cedric-neukirchen.net/2017/02/14/multiplayer-network-compendium/ which will also answer your second question
There are always multiple ways to achieve the same outcome. Here is an excellent networking guide http://cedric-neukirchen.net/2017/02/14/multiplayer-network-compendium/ which will also answer your second question