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The quality of Internet access for mobile users may suffer from highly variable communication characteristics (packet loss, delay, throughput) and from temporary disconnec-tions. The former occur as a result of changing radio properties , handovers, or variable system load, the latter whenever wireless coverage is insufficient. While quite some research has(More)
Existing reliable multicast transport protocols have focused on achieving reliability from the point of view of senders of messages. Many applications in the area of synchronous groupware do not need this strong property, but can nonetheless benefit from a reliable multicast protocol. For use with the X window sharing tool Xy, we hav e implemented the(More)
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