Suppose that when a TCP segment is sent more than once, we take SampleRTT to be the
Question:
Suppose that when a TCP segment is sent more than once, we take SampleRTT to be the time between the original transmission and the ACK, as in Figure 5.10(a). Show that if a connection with a one-packet window loses every other packet (i.e., each packet is transmitted twice), then EstimatedRTT increases to infinity. Assume TimeOut =
EstimatedRTT; both algorithms presented in the text always set TimeOut even larger. Hint: EstimatedRTT = EstimatedRTT+β×(SampleRTT−
EstimatedRTT).
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Computer Networks A Systems Approach
ISBN: 9780128182000
6th Edition
Authors: Larry L. Peterson, Bruce S. Davie
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