Provide tutorial on clustering WoOF.
Will be for running behind a load balancer (as distributed load balancing will be next step from this)
Need to therefore provide a default implementation of HttpSessionStore to store/retrieve sessions within a relational database.
Can also use NoSQL store but leaving this until clearer standards around this to not have to maintain various versions. Plus is something worthy of an Assist Item. For now, expect a database to be more commonly available than NoSQL datastore.