By Dale Vile Evolution of licensing models Virtualization related considerations A scenario based analysis of options Other licensing considerations Top line recommendations Comments and questions

1. Virtualization The Licensing Lottery Dale Vile Freeform Dynamics Ltd [email_address] www.freeformdynamics.com

3. Roots of modern licensing planted firmly in the past Data App Interface Data App Interface Data App Interface Data App Interface Data App Interface

4. Traditional licensing options Maintenance included? Support included? Use by third-parties? Per server Per cpu Per core Per named user Per concurrent user By number of employees Enterprise license Open source

5. More choice, or confusion? Maintenance included? Support included? Use by third-parties? Per server Per cpu Per core Per named user Per concurrent user By number of employees Enterprise license Open source Per instance Per virtual cpu By allocated resource

7. Are you happy with existing licensing models as applied to virtual systems? Source Freeform Dynamics and The Register, Oct 2007 Percentages relate to respondents offering an opinion Operating systems

8. Are you happy with existing licensing models as applied to virtual systems? Source Freeform Dynamics and The Register, Oct 2007 Percentages relate to respondents offering an opinion Other infrastructure software (middleware, DBMS, etc)

9. Are you happy with existing licensing models as applied to virtual systems? Source Freeform Dynamics and The Register, Oct 2007 Percentages relate to respondents offering an opinion Application software (ERP, CRM, etc)

10. Are you happy with existing licensing models as applied to virtual systems? Source Freeform Dynamics and The Register, Oct 2007 Percentages relate to respondents offering an opinion Middleware, DBMS, etc

11. Some common scenarios PHYSICAL SERVER Replicated single platform stack Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Business Application Business Application

12. Some common scenarios PHYSICAL SERVER PHYSICAL SERVER Replicated single platform stack Replicated OS with mixed AS/DBMS Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Business Application Business Application Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Business Application Business Application

13. Some common scenarios PHYSICAL SERVER PHYSICAL SERVER PHYSICAL SERVER Replicated single platform stack Replicated OS with mixed AS/DBMS Mixed platform stack (OS/AS/DBMS) Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Business Application Business Application Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Hypervisor Operating System Operating System App Server or DBMS App Server or DBMS Business Application Business Application Business Application Business Application

14. Dynamic virtualization CHANGING DEMAND

15. Scenario & licensing matrix * Licensing models and tools to implement these approaches are currently rare or not available Licensed by Replicated single platform stack Applications and mixed platform stacks Dynamic execution environment Physical server OK Check Beware Physical CPU or core OK OK Check Fractional CPU or core OK OK Check Installed instance Beware Check Beware Concurrent instance* Beware Check Check Named user Check Check Check Concurrent user Check Check Check Average utilisation* OK OK OK Metering approach* OK OK OK