This presentation focuses on the benefits of DTGOV services and cloud computing. It discusses how cloud computing helps DTGOV and explores different cloud models such as IaaS, PaaS, and SaaS. The presentation also covers the implementation of IaaS, the advantages of a cloud-based approach for Office 365, the differences between cloud and on-premise approaches, and the appropriate model for Sharepoint 2010. Additionally, it provides insights into the advantages and disadvantages of PaaS. References are included for further reading.