Overview of the DSI

This section gives an overview of the DSI by examining the architecture of a typical DSI application: a protocol adapter. Consider a scenario in which a company has already implemented an infrastructure for making remote method calls. The old protocol is called LEGACY protocol, and legacy servers that use the LEGACY protocol are widely deployed within the company’s intranet. The company would now like to build a CORBA subsystem that can talk to the old legacy servers.

Evidently, it would be far too difficult and costly to re-engineer all legacy servers to communicate directly with CORBA clients using IIOP. The most effective solution is to build a LEGACY adapter that dynamically translates CORBA invocations to LEGACY invocations. ...

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