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What are the differences between segmentation and fragmentation ?

At the sender side  at transport layer

first each message is divided into segments and then we add transport header to each segment

then each segment is sent to network layer and network adds its header to each segment

and we call each segment as packet when network header is added to it

then in network layer each packet is divided into multiple fragments

and then each fragment is given an additional info in its header and is forwarded one by one to data link layer.

Is this the process ? please explain.
asked in Computer Networks by Active (4.9k points)
edited by | 20 views

1 Answer

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segmentation occurs at transport layer and fragmentation occurs at network layer due to MTU(maximum transmittable unit) of routers and destination.

Your process seems correct.
answered by Active (3.9k points)

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