Game networking is about sending and optimizing that is what needs to be updated from player or server side network packets, making a centralized authority to avoid cheating and hosting a game. Choosing a right network model can be complicated if you are not aware of the network basics.The simplest use of networking would be to store user names and game scores on a central network server. Networking APIs are needed in multi-player games that use the infrastructure.client-server or internet peer-to-peer.model and also by ad hoc (local peer-to-peer) games.