A new Test Lab Guide (TLG) stack for Microsoft Office Server hybrid solutions
For a "try before you buy" experience when you evaluate Microsoft Office Server (Exchange/Lync/SharePoint) solutions that include Office 365, Microsoft is developing and publishing a new Test Lab Guide (TLG) stack that you can use to build out and demonstrate Office Server hybrid configurations and solutions. Hybrid is the concurrent use of on-premises Office servers and their counterparts in Office 365. Examples include SharePoint Server 2013 with SharePoint Online in Office 365 and Exchange Online combined with on-premises Lync Server 2013.
Read more at source: http://blogs.technet.com/b/solutions_advisory_board/archive/2014/01/09/a-new-test-lab-guide-tlg-stack-for-microsoft-office-server-hybrid-solutions.aspx