Managing External Innovation: The Case of Platform Extensions

LIST OF FIGURES
Figure 1. Collaboration governance model by Pisano & Verganti (2008) .......................11
Figure 2. A simple software platform ecosystem............................................................13
Figure 3. Platform architecture and types of extensions..................................................18
Figure 4. Case platform timeline....................................................................................28
Figure 5. Developer community structure and developers types.....................................40
Figure 6. Eclipse platform architecture overview ...........................................................45
Figure 7. Eclipse community structure...........................................................................48
Figure 8. The Eclipse incubation process stages.............................................................50
Figure 9. IBM WebSphere Application Server v6.x architecture overview.....................52
Figure 10. WebSphere Application Server community structure ....................................53
Figure 11. Mozilla Firefox platform architecture............................................................55
Figure 12. Mozilla Firefox community structure............................................................58
Figure 13. The Mozilla Sandbox Review System...........................................................59
Figure 14. SpringSource platform architecture...............................................................61
Figure 15. SpringSource.org community structure .........................................................63
Figure 16. The SpringSource extension lifecycle ...........................................................64
Figure 17. SpringSource Enterprise community structure...............................................67
Figure 18. Apache HTTP Server architecture.................................................................69
Figure 19. Apache community structure.........................................................................72
Figure 20. Apache incubator project stages....................................................................74
Figure 21. IBM HTTP Server architecture .....................................................................76
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