Consider an error-free 64 kbps satellite channel used to send 512 Byte data frames in one direction, with very short acknowledgment coming back the other way. The earth-satellite propagation delay is 270 msec. What is the efficiency if stop and wait flow control is used? What will be efficiency if the window size changed to 7? What is the optimal window size to maximize the channel efficiency?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Consider an error-free 64 kbps satellite channel used to send 512 Byte data frames in one direction, with very short acknowledgment coming back the other way. The earth-satellite propagation delay is 270 msec. What is the efficiency if stop and wait flow control is used? What will be efficiency if the window size changed to 7? What is the optimal window size to maximize the channel efficiency?
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