A web 2.0 API for the Markets Engine for third party applications to consume market data. The packaged .WAR could be deployed in any J2EE Compliant Application Server. The Ideal Choice is JBoss AS7. EJBs fetch persisted data for the JAX-ws/RPC calls.  The decisiion engine in JBossDrools for Decision Making use business logic from the EJBs for rule validation.