Engineering, 30.10.2019 20:31 lilmsnyah

Ip fragmentation allows oversized ip packets to be split to fit on a smaller network. they are re-assembled on the destination machine. as the packet fragments can overlap, we need to decide data acceptance policy for overlapping segments. in our operating system zumba, if we find that the current fragment’s fp-> offset to be inside the end (prev-> end) of a previous fragment (prev), then we align it such that old data is not replaced. the current segment can only start writing (decided by ptr) at the end of the previous segment. this is ensured by the following c code segment.

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Ip fragmentation allows oversized ip packets to be split to fit on a smaller network. they are re-as...

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