Finally, Windows NT is an operating system for networked computers, and Jini and NT are decidedly different. It is also different from Millennium, Microsoft's quiet project to develop a distributed operating system. An excellent overview of Jini by Rawn Shah can be found in the August edition of JavaWorld. The system is fully object-based. Jini's basic control structures are simple.
All services are available through a simple lease facility.
Jini includes the standard Java security constructs. Given the distributed nature of the environment, this is very important, because security is in effect where the object is executed. Within Jini, groups of basic information such as security policies are accessible. Those groups can be aggregated almost indefinitely into large networks. Jini supports the Java programming model.