Servers
Realms is a realtime game and requires a constant server connection from the mobile client in order to play. There are two main servers which the game communicates with.
World Server
The World Server's role is to handle authentication and assigned an available game server to a player to connect to. Other systems such as bug reports and support requests are handled via the world server.
Game Server
The Game Server's role is to handle the core gameplay and regular communication between the game client and the greater game world.
History
Previously the World Server and the Game Server shared the same responsibilities. Since version 0.2.0 the split between the two started and the TCP game server took responsibilities for gameplay and the HTTP world server continued authentication responsibilities and bug reports.