1. Philip A. Bernstein, Sergey Bykov, Alan Geller, Gabriel Kliot, Jorgen Thelin

2. Motivation:

3. Unpredictability Load Balancing High Availability Data Consistency Fault Tolerance Performance Scalable Reliability Latency

5. Traditional 3-tier architecture Could make consistency issues

6. Orleans 3-tier architecture

7. *The actor model was introduced in 1973

26. Presence & Matchmaking Challenges & Unlockables Skill & Ranking Cheat Detection Game History Profile User Generated Content Content Management Service

29. Front DoorCompute Worker Roles Azure Storage Search HDInsight Hadoop Visualization Azure Load-Balancer

30. Front DoorCompute Worker Roles Azure Storage Search HDInsight Hadoop Visualization Azure Load-Balancer

33. public class Presenceactor : actorBase, IPresenceactor { public Task Heartbeat(byte[] data) { HeartbeatData heartbeatData = Heartbeat.Decrypt(data); IGameactor game = GameactorFactory.Getactor(heartbeatData.Game); return game.UpdateGameStatus(heartbeatData.Status); }

34. Test Lab Numbers

37. Virtual Machines Physical Machines What’s a Server?