Microsoft announced the Micrsoft Azure Stack (MAS) last year at Ignite. It is the newest solution for building an on-premise Cloud environment.
A lot of information about this solution can be expected on this blog. Do you want to try the new Stack yourself as soon as it will become available in public beta? Watch the video of Jeffrey Snover and start saving for the hardware you will need for this.
More information can be found at this link http://blogs.technet.com/b/server-cloud/archive/2015/12/21/microsoft-azure-stack-hardware-requirements.aspx