2nd Level Cache - how to share between applications

Is there another way beside MSMQ to share 2nd Level Cache between two applications hosted on the same web server?
In my scenario there are two virtual directories located in the same application Domain:

mydomain.com is the root folder and the virtual directories are mydomain.com/ApplicationA (for WebForms) and mydomain.com/ApplicationB (for MVC).

Both virtual directories share the same HttpContext and have the same application pool. MSMQ can not be used due to the shared hosting environment.
How to synchronize the 2nd Level Cache between both applications if data changed in one of the application?