Question

Find the optimum with random bit errors by taking the derivative and setting it to zero for the following protocols: (a) Stop-and-Wait ARQ (b) Go-Back-N ARQ (c) Selective Repeat ARQ (d) Find the optimum frame length for a 1 Mbps channel with 10 ms reaction time, 25-byte frame length ny that maximizes transmission efficiency for a channel overhead, 25-byte ACK frame, and p 104, 10-5, and 10-6.

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