http://weblogs.asp.net/scottgu/archive/2013/04/26/windows-azure-improvements-to-virtual-networks-virtual-machines-cloud-services-and-a-new-ruby-sdk.aspx

http://channel9.msdn.com/Series/Windows-Azure-Virtual-Machines-and-Networking-Tutorials

http://fabriccontroller.net/blog/posts/reference-implementation-for-windows-azure-virtual-networks-software-based-site-to-site-vpn/