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lightweight SOA with web widgets

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Presented at Australian Architecture Forum 2008:
http://www.architectureforum.net.au/Pages/Agenda.aspx

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Presentation Transcript

  1. Slide 1: lightweight SOA with web widgets Phillip Calçado http://fragmental.tw
  2. Slide 2: SOAP/WS-* vs. REST
  3. Slide 3: X SOAP/WS-* vs. REST
  4. Slide 5: 15 tv channels 8 radio stations 19 magazines & newspapers 500+ web sites
  5. Slide 7: 800 videos 900,000 visits every day
  6. Slide 8: previous architecture
  7. Slide 9: pretty picture Corporate Database video.globo.com Media Encoder xyz.globo.com Media Encoder Media Encoder Media Encoder Media Encoder Internet Movie Sound Picture
  8. Slide 10: real world Media Encoder SQL Corporate xyz.globo.com Database SQL SQL SOAP SQL SQL HTML video.globo.com SOAP HTML Internet Media Transfer Protocol
  9. Slide 11: two main problems
  10. Slide 12: 1) audio and video production 2) integration with other sites
  11. Slide 13: 1) audio and video production
  12. Slide 14: Media Encoder Corporate Database video.globo.com
  13. Slide 15: Media Encoder Corporate Database Media Encoder video.globo.com
  14. Slide 16: multiple Media Encoder Corporate instances Database Media Encoder video.globo.com managed by different companies with different interests and schedules
  15. Slide 17: Media Encoder Corporate Database v1.0 Media Encoder video.globo.com v1.1.1
  16. Slide 18: multiple Media Encoder Corporate Database versions v1.0 Media Encoder video.globo.com hard to know who is using what v1.1.1
  17. Slide 19: 2) integration with other sites
  18. Slide 20: Media Encoder Corporate xyz.globo.com Database video.globo.com
  19. Slide 21: main Corporate integration Database point
  20. Slide 22: xyz.globo.com Corporate Table C Table B xyz.globo.com DatabaseTable D Table A xyz.globo.com xyz.globo.com video.globo.com
  21. Slide 23: X xyz.globo.com Corporate Table C Table B xyz.globo.com DatabaseTable D Table A xyz.globo.com xyz.globo.com video.globo.com
  22. Slide 24: xyz.globo.com Corporate View C Table B xyz.globo.com DatabaseTable D Table A xyz.globo.com xyz.globo.com video.globo.com
  23. Slide 25: xyz.globo.com Corporate View C View B xyz.globo.com Table E Table F Database View D View A xyz.globo.com xyz.globo.com video.globo.com
  24. Slide 26: no contracts xyz.globo.com Corporate View C View B xyz.globo.com Table E Table F Database View D View A xyz.globo.com just get what you want xyz.globo.com from my tables video.globo.com
  25. Slide 27: Corporate Database Ratings Ratings Video Show Video Show xyz.globo.com video.globo.com Internet
  26. Slide 28: Corporate Database Ratings Ratings Video Show Video Show same logic xyz.globo.com video.globo.com Internet
  27. Slide 29: 40% code Corporate Database duplication Ratings Ratings Video Show Video Show same logic xyz.globo.com video.globo.com among different systems developed by different people Internet
  28. Slide 30: the new architecture
  29. Slide 31: pretty picture Corporate Database video.globo.com Media Encoder xyz.globo.com Media Encoder Media Encoder Media Encoder Media Encoder Internet Movie Sound Picture
  30. Slide 32: pretty picture Media Services video.globo.com Media Encoder xyz.globo.com Media Encoder Media Encoder Media Encoder Media Encoder Internet Movie Sound Picture
  31. Slide 33: real world Media Encoder HTTP Media xyz.globo.com Services HTTP HTTP SOAP HTML video.globo.com HTML Internet Media Transfer Protocol
  32. Slide 34: 1) audio and video production
  33. Slide 35: multiple multiple Media Encoder + Corporate instances versions Database v1.0 Media Encoder video.globo.com v1.1.1
  34. Slide 36: multiple multiple Media Encoder + Corporate instances versions Database v1.0 versioned Media Encoder video.globo.com services v1.1.1
  35. Slide 37: Media Encoder http://mediaservices/v1/media/135 Corporate Database v1.0 http://mediaservices/v2/media/135 Media Encoder http://mediaservices/v3/media/135 video.globo.com v1.1.1
  36. Slide 38: Media Encoder Corporate Database v1.0 Media Encoder video.globo.com v1.1.1
  37. Slide 39: HTTP Media Encoder POST media/v1.0 v1.0 Media Services Media Encoder HTTP POST media/v1.1.1 v1.1.1
  38. Slide 40: 2) integration with other sites
  39. Slide 41: no code + contracts duplication xyz.globo.com Corporate View C View B xyz.globo.com Table E Table F Database View D View A xyz.globo.com xyz.globo.com video.globo.com
  40. Slide 42: no code + contracts duplication xyz.globo.com Corporate View C View B xyz.globo.com Table E Table F Database View D View A web sites as xyz.globo.com xyz.globo.com service clientsvideo.globo.com
  41. Slide 43: Corporate Database Ratings Ratings Video Show Video Show same logic xyz.globo.com video.globo.com Internet
  42. Slide 44: Media Services Ratings logic Video Show xyz.globo.com video.globo.com Internet
  43. Slide 45: Code Duplication 40% 35% 30% 25% 20% 15% 10% 5% 0% Database Integration Web Services
  44. Slide 46: evolving
  45. Slide 47: <set> <set> <video id=\"1\"/> <video id=\"1\"/> xml <video id=\"2\"/> <video id=\"2\"/> <video id=\"3\"/> <video id=\"3\"/> </set> </set> ? xyz.globo.com video.globo.com <div> <div> <h2>video title</h2> <h2>video title</h2> html <p>description <p>description description</p> description</p> </div> </div>
  46. Slide 48: <set> <video id=\"1\"/> json/xml <video id=\"2\"/> <video id=\"3\"/> </set> JavaScript Widgets <div> <h2>video title</h2> html <p>description description</p> </div>
  47. Slide 49: real world Media xyz.globo.com Services HTTP HTTP HTML video.globo.com HTML Internet
  48. Slide 50: real world Media xyz.globo.com Services JavaScript HTTP Widgets HTML video.globo.com JavaScript Internet
  49. Slide 52: <script type=\"text/javascript\" src=\"http://video.globo.com//Wdgts/9461.html\"> </script> <script type=\"text/javascript\"> var c = new WidgetContext( {'id':'4413','type':'show'},{}); var a = new CalendarBox(c,false); a.render; </script>
  50. Slide 53: Code Duplication 40% 35% 30% 25% 20% 15% 10% 5% 0% Database Integration Web Services
  51. Slide 54: Code Duplication 40% 35% 30% 25% 20% 15% 10% 5% 0% Database Integration Web Services Widgets API
  52. Slide 57: some problems • managing Service Versioning is still hard, keep just the previous version and only if needed • URI versioning can be problematic, we made it optional and added an http header • it’s very hard to be fully RESTful, be pragmatic • strong primitives are flexible
  53. Slide 58: Thank you! Phillip Calçado http://fragmental.tw
  54. Slide 59: This work is licensed under a Creative Commons Attribution-Share Alike 2.5 Australia License http://creativecommons.org/licenses/by-sa/2.5/au/
  55. Slide 60: TV Globo and Globo.com are trademarks in Brazil and other countries. Used by permission.

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