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Developments in the Cloud ..........................................................................................3
Economic Impact ..............................................................................................3
Service Outages ...............................................................................................4
Cloud Acceptance .........................................................................................................5
The Changing Attitude of IT Managers Toward Cloud Computing ..............6
Public-Sector Clouds .......................................................................................7
Platform Update .............................................................................................................7
Standards in Cloud Computing ..................................................................................10
Public and Private Clouds ..........................................................................................11
Open-Source Software and the Cloud .......................................................................13
Consolidating the Clouds ...........................................................................................13
Ancillary Services ........................................................................................................15
Market Size ...................................................................................................................16
Business Models .........................................................................................................19
Drivers to the Cloud ....................................................................................................21
Why Now? ....................................................................................................................23
The Rate of Transformation ........................................................................................23
Challenges to Adoption ..............................................................................................24
Far-Reaching Impact ...................................................................................................26
PaaS Impact on SaaS Vendors ...................................................................................28
Winners and Losers ....................................................................................................28
Beneficiaries ...................................................................................................28
At Risk .............................................................................................................29
Appendix A: Cloud Computing Defined ....................................................................31
Corporate Cloud .............................................................................................31
Consumer Cloud .............................................................................................33
Blurring Lines .................................................................................................34
Not Part of Cloud Computing ........................................................................34
Appendix B: Public Vendor View ...............................................................................35
Appendix C: Private Vendor View ..............................................................................54
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