managed navigation
Building global navigation in SharePoint 2013
One of the new capabilities of SharePoint 2013 is Managed Navigation which is a perfect candidate for build cross-Site Collection navigation. Unfortunately, by default, Managed Navigation is limited to one single Site Collection. Find out how to overcome this limitation and use Managed Navigation to build consistent cross-Site Collection navigations.
Inconvenient creating Publishing Pages in sites with Managed Navigation
Managed Navigation is the answer