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Uploaded byRafael Scudelari
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[13] Nup 07 5
1. Sliding window mechanisms are used in continuous ARQ protocols to increase efficiency by allowing multiple outstanding packets. 2. The window size determines the number of packets that can be sent without waiting for an acknowledgment. The lower window edge is the oldest unacknowledged packet while the upper edge is the next packet that can be sent. 3. Performance depends on factors like window size, propagation delay, and serialization time. With acknowledgments sent at the end of the window, the total delay is the window size times the serialization time plus the propagation time for acknowledgments.
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