Apache CloudStack

CloudStack is well suited if you want to keep the costs low and still need a reliable and robust tool to cloud virtualization orchestration. The end user interface is friendly so users can find and use functionalities quickly. Also, the newer version allows you to integrate CloudStack with external authentication using SAML for single sign-on. It can be less appropriate for an administrator that does not want to do a lot of interventions using a command line or that does not use the Linux operating system.

Incentivized

• New functionalities
• Fixing bugs
• Private and public clouds

• Maintenance tools
• Less command line interventions
• Server logs not so friendly
• Upgrades are not so straightforward
• The graphical interface performance in big environments can get a little bit slow

Incentivized

The University, my first large implementation, had a big issue with 149 small data centers spread on São Paulo State, this data centers costs to university were very high, the consolidation idea in two data centers were awesome, but were worried with the management, so we adopted ACS to management of all 576 physical hosts. Now a days the university is delivering IaaS for all staff, students, teachers and researchers, they are using these resources to delivery services to their clients and have a great results in research area

• Minimal impact at migration from the earlier solution used (Citrix CloudPortal), once both solutions have a common kernel.
• Reduction to 0 with payment of software license.