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Interactive TV Standards by Anthony Smith-Chaigneau, Steven Morris

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14 Communicating with Other Xlets

MHP and OCAP applications cannot communicate with each other using methods that may be available on other platforms. Here, we look at the rationale behind that, and see how applications can communicate with each other. We will also discuss the techniques needed by middleware developers to allow applications to communicate securely and efficiently.

There are times when you may want an Xlet to communicate with other Xlets running on the receiver. This allows a developer to craft a set of Xlets in such a way that some common functions can be implemented in a client-server model, which may be more efficient in some cases. At first sight, this seems quite easy. After all, we can use static methods and static fields ...

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