1. pTHINC Better web browsing on your mobile device Joeng Kim Ricardo Baratto Jason Nieh Columbia University, USA

2. Outline Mobile Web Browsers Problem Alternative: Thin Clients Usability Visual Comparison Measurements Conclusion

3. Mobile Web Browser

5. VIDEO FLASH IMAGE

6. Issues with Mobile Browsers High quality pages mean.. –More Data Download –More Client Processing –Compatibility Issues Application, Platform, Browsers, Standards –Requirement Issues Flash, Java Applets, Javascript, Plug-in –Resize Issues –Language support

7. Alternative: Thin Clients

8. Thin Client Leverage Server –High speed connection –More resource –Persistence Allows –Heterogeneous display –Stateless client

9. Thin clients vs Web rewrite applications for the web client browser and helper applications preserve software investments no client applications

10. Thin Clients

11. pTHINC applications window system device driver framebuffer raw pixels high-level requests

12. virtual device driver pTHINC applications window system display updates input events

13. pTHINC Fast and Lightweight Leverage and Virtualize display Video support

14. pTHINC protocol copy solid fill pixmap fill bitmap RAW

15. Usability Enhancements

16. pTHINC Usage

17. Visual Comparison

20. Measurements

21. Test run on basic Web benchmarks Variable conditions –PDA: Dell Axim x5, x51v

22. Web Latency Latency measurement based on average page load time

23. Video Results Quality based on amount of data transferred

24. Conclusion Mobile Web Browsers can be improved pTHINC: potential alternative –Increased visual performance –Better usability –Helper functions such as video

25. more info network computing laboratory http://www.ncl.cs.columbia.edu