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Consider a network connecting two systems located 2000 kilometers apart. The bandwidth of the network
is 64 Mbps. The propagation speed of the media is 2/3 of the speed of light in vacuum. It is needed to
design selective repeat sliding window protocol for this network. The average packet size is of 16 Kb. The
network is to be used to its full capacity.

Assume that processing delays at nodes are negligible. Then, the minimum size in bits of the sequence
number field has to be

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