Packet segmentation

Dividing a data packet into smaller units (frames)

In data communications networks, packet segmentation is the process of dividing a data packet into smaller units for transmission over the network. Packet segmentation happens at layer four of the OSI model; the transport layer. Segmentation may be required when:The data packet is larger than the maximum transmission unit supported by the network The network is unreliable and it is desirable to divide the information into smaller segments to maximize the probability that each one of them can be delivered correctly to the destination

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