Univention’s managing director Peter Ganten takes the new Active Directory Service by Amazon Web Services, which was launched last month, as an opportunity to talk about the problems companies can have by using big cloud service providers and continues with the advantages of using open source technology for the cloud which are: no vendor lock-ins, larger number of available software, high flexibility to change providers etc.
The article can be found at: http://blog.univention.com/open-source-cloud-services/