[e2e] TCP fragmentation and reassembly

Erwin Davis erwin.davis at gmail.com
Mon Dec 5 14:45:48 PST 2005


Packet from application layer may be framed in TCP layer based on MSS
(maximum segment size, not MTU in IP layer) negotiated between two TCP
layers of the end parties. My question is if the TCP layer in receiving side
will reassemble the TCP fragments before it forward the packet to the
application layer. If yes, then how the TCP layer in receiving side knows
how many TCP fragments are made up for this one application packet. If not,
will it require the intelligence from the application layer for the
application packet reassembly. Thanks for your help,

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