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Problem 9 : 6 Points (why?) Most IP datagram reassembly algorithms have a timer to avoid having a lost fragment tie up reassembly buffers forever.
Problem 9 : 6 Points (why?) Most IP datagram reassembly algorithms have a timer to avoid having a lost fragment tie up reassembly buffers forever. Suppose that a datagram is fragmented into six fragments. The first three fragments arrive, then the sixth and fifth ones arrive, but the fourth one is delayed. Eventually, the timer goes off and the five fragments in the receiver's memory are discarded. A little later, the fourth fragment stumbles in. What should be done with it?
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