Azure

Options for Building Active Directory in the Cloud with Windows Azure

http://blogs.technet.com/b/keithmayer/archive/2013/01/06/options-for-building-active-directory-in-the-cloud-with-windows-azure.aspx

Step-by-Step Guide for AAD Connect Custom installation + Federation with AD FS

http://blogs.msdn.com/b/vilath/archive/2015/06/24/step-by-step-guide-for-aad-connect-custom-installation-federation-with-ad-fs.aspx

Integrating your on-premises identities with Azure Active Directory

https://azure.microsoft.com/en-us/documentation/articles/active-directory-aadconnect/

Step-by-Step: Build a FREE SharePoint 2013 Dev/Test Lab in the Cloud with Windows Azure Infrastructure Services

http://blogs.technet.com/b/keithmayer/archive/2013/01/07/step-by-step-build-a-free-sharepoint-2013-lab-in-the-cloud-with-windows-azure-31-days-of-servers-in-the-cloud-part-7-of-31.aspx

Cheers!!!