Acknowledgements. Major professorDr. John MillerCommittee:Dr. Robert RobinsonDr. Dan Everett.... Overview. Problem: interoperability in federated simulationsCurrent solution: HLAProposed solution: Jini and XMLPrototype implementation: JSIMConclusionsFuture work. Problem. Reuse of and runtime interoperability b/w simulation components (federates) developed without prior knowledge of each other are the key issues facing federated simulation systems..