spring security session-registry

session-registry-alias. It can also be useful to have a reference to the internal session registry for use in your own beans or an admin interface. You can expose the internal bean using the session-registry-alias attribute, giving it a name that you can use elsewhere in your configuration.

session-registry-ref. The user can supply their own SessionRegistry implementation using the session-registry-ref attribute. The other concurrent session control beans will be wired up to use it.