Ring uses its own session store.
However, if you are using a Servlet container, Ring will populate the request map with the various Servlet objects. In this case, the :servlet-request
key refers to the HttpServletRequest
object.
It's worth noting that Ring is an abstraction over HTTP, and doesn't necessarily rely on the Servlet specification. So as long as you use a Servlet container underneath, you should be able to use your Servlet sessions