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Author(s) Olivier Bonaventure
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Alternating Bit Protocol

Alternating Bit Protocol in the presence of losses.
Consider the utilisation of the Alternating Bit Protocol to transfer 15000 bytes of data. Both hosts are connected via a 1 Gbps link and there is a one-way delay of msec between the two hosts. The sender sends data frames that are 12000 bits long. Assuming that the retransmission timer is set to msec, how long does it take to transfer the 15000 bytes if the third data frame is lost? Express your answer in milliseconds.