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After understanding which Server you will use, Tango must be installed on your machine. This involves installing a Netscape plug-in and also a C++ audio-video conferencing system Buena Vista
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Then each time you wish to load Tango, one must download the "control application" (CA)which is a Java Applet.
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This involves selecting a particular Web Server and clients setup with different Web Servers can collaborate using the same Java Server
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Each downloaded client has a (possibly different) configuration file specifying where each Tango application is to be loaded from. This allows one to use mirror sites to improve performance
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In simplest case, everybody chooses the same Web Server
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Collaboration involves two or more clients sharing information and this covers both the teacher-students interaction in education; commander-firefighters interaction in a crisis; and the linkage of researchers in a distributed scientific collaboratory.
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