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[30%) Question 8 (1) Explain in detail how the Jacobson algorithm is used in order to calculate the RTO (Retransmission Time-Out) for a TCP connection. Your answer should include all relevant key equations. (11) The current estimate of the RTT (round-trip time) is RTT, = 5.0 ms and the initial value of the mean deviation (dispersion) Do = 0.7 ms. The further measurements resulted in the following values for RTT: M = 3.8 ms; M = 3.8 ms; M3 = 3.8 ms; M4 [70%) 5 = 2.3 ms; M; = 2.3 ms; Ms = 5.0 ms; M = 7.0 ms. Using the Jacobson algorithm cal- culate the RTO corresponding to each measurement (assume the smoothing factor a = 0.875). Explain the impact of the value of the parameter a on evaluation of the RTT