1. - 1 - Jini in the Enterprise O'Reilly Conference on Java Scott Oaks Sun Microsystems (scott.oaks@sun.com)scott.oaks@sun.com

2. - 2 - Agenda Canonical Jini Jini Basics Using Jini in the enterprise

3. - 3 - Canonical Jini Jini Network

4. - 4 - Another look Print Service Print Client Print Service Service Network Paycheck Svc

5. - 5 - Just another service-based network That adapts to service changes dynamically That can handle network failures gracefully That can substitute service implementations transparently dynamically automatically

6. - 6 - Jini Basics Jini provides A collection of services for Lookup and discovery of services Transactions Data sourcing Jini helper services A set of APIs for distributed programming

7. - 7 - The Jini Lookup Service Holds all service registrations on the (local) network Actively manages those registrations Services place objects into the lookup service Clients download objects from the lookup service

8. - 8 - The Jini Lookup Service JL S Jini Network Payroll Svc. Payroll Client

9. - 9 - Lookup in the Enterprise Default lookup is limited to a multicast radius 1.1 Discovery services can extend this to the enterprise

10. - 10 - Lookup Integration Any serializable object can be stored in the lookup service Corba Objects RMI Remote Objects EJBs (of course...) Proprietary

11. - 11 - Jini APIs Leasing APIs A login application A chargeback application... Remote Events A billing application A management application...

12. - 12 - Java Spaces The data source for distributed applications (enterprise and otherwise) JavaSpace Employee Manager Controller

13. - 13 - Why Jini in the Enterprise Dynamic maintenance of services Supports any service Useful APIs Encourage good programming practices