Q4. (2 marks)
Suppose that Selective Repeat ARQ is modified so that ACK messages contain a list of the next m frames that it expects to receive.
Solutions follow questions:
a. How does the protocol need to be modified to accommodate this change?
b. What is the effect of the change on protocol performance?
Q5. (2 marks)
Consider the 7-bit generator, G=10011,, and suppose that D has the value 1001010101.What is the value of R? Show your all steps to have result.
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