1. Building Scalable Cloud Applications David Aiken Windows Azure Technical Specialist Microsoft Corporation

3. Scale out

4. Web Server Capability: 1000 requests/sec Web Server Capability: 1000 requests/sec Load Balancer State

5. Scaling Out with Windows Azure demo

6. Web Server Capability: 1000 requests/sec Web Server Capability: 1000 requests/sec Load Balancer State

9. Scale out Decouple tasks

10. Web Role

11. Q Worker RoleWeb Role

12. Scaling Out with Worker Roles demo

13. Q Worker RoleWeb Role

14. 1 Instance5 Instance5 Instance Worker Max User Load 600 Test/Sec 1.6913.915.2 Tests Failed 37100 Avg. Test Time (sec) 90.921.119.5 Pages/Sec 5.4343.547.2 Avg. Page Time (sec) 34.31.611.06 Requests/Sec 33.8246262 Requests Failed 53800 Avg. Response Time (sec) 5.570.320.22

15. 1 2 Scale out Decouple tasks Cache static content

18. Scaling Out with the CDN demo

19. Scale out Decouple tasks Cache static content Scale across data centers

22. Scaling Out with Traffic Manager demo

23. Scale out – Tell us how many, we do the rest! Use Workers and Queues to decouple expensive tasks Use the CDN to cache static content Use Traffic Manager to scale out across datacenters Use Data Sync to synchronize data between datacenters

24. © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.