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Jini is a networking protocol from Sun that sits on top of Java. It allows devices to interact together without having to worry about drivers, different operating systems or complicated cabling. Devices connect to a network and offer services to other devices. A huge range of devices have the potential to be connected to networks using Jini; anything from computers and printers to televisions and airconditioners. The idea is to allow devices to interact simply with each other, e.g. your repairservice network can connect directly to your broken refrigerator via the telephone to diagnose the fault. JavaSpaces is a related technology, built to show a practical application of Jini. A JavaSpace is a really simple interface which allows remote systems to collaborate via what is essentially a notice board. Java programs place objects, examine objects, or take objects away from this board. They can also ask to be notified when the object they`re looking for appears on the board. As an example, a wordprocessor application could place a fax job on the notice board, which a fax application would find and perform as and when it was free. The two applications don`t need to know anything about each other`s location, only what objects they handle. Professional Jini Programming presents in one single volume everything that an advanced Java programmer will need to start designing and programming with Jini or JavaSpaces technology. "Jini means much more than your refrigerator talking to your toaster", and this book sends the message loud and clear. The book will show exactly how you can use Jini to create software services in a highly scalable and robust environment, enabling the functionality to be delivered despite network or service disruption anywhere in the network. Whether you are simply curious about Jini connection technology, or actually need to implement it today and want to learn from the experiences of current Jini developers and successful deployments, this is the book for you.
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