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Evaluating an instant messaging protocol for digital whiteboard applications

Evaluating an instant messaging protocol for digital whiteboard applications,Lutz Gericke,Christoph Meinel

Evaluating an instant messaging protocol for digital whiteboard applications  
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Many whiteboard applications have been devel- oped during the recent years. In distributed settings, where whiteboards have to be synchronized, proprietary protocols are often used for communication. Using reliable and well- known open standards can ease integration with existing systems. After evaluating existing instant messaging protocols, we look at applying those well-established standards for the problem domain of distributed whiteboards. The presented system does not only support synchronous working modes, but also asynchronous, by consequently capturing and analyzing communication data. The presented approach goes beyond existing systems in unifying those two working modes into one system. Evaluation of this in-situ capturing shows only little influence on the system's per- formance and therefore being an approach generally applicable to other problem domains. Index Terms— digital whiteboard, XMPP, instant messaging protocol, performance evaluation
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