Yes, the state is stored in memory, with async tasks and everything. There is a mechanism so that before a server shuts down, the state for each client will be

Yes, the state is stored in memory, with async tasks and everything. There is a mechanism so that before a server shuts down, the state for each client will be serialized, compressed, encrypted and sent to the client, so they can send the state to the next server when they reconnect and resume the session.