Overview of TCP
n TCP in the main Internet transport protocol.  The UDP plays a
supporting role (mostly house keeping functions)
n The TCP performs the following functions:
Divides the data into segments (21 to 64,000 bytes)
The sending TCP stamps the segments with sequence numbers
The receiving TCP acknowledges the segments
The receiving TCP controls the flow of segments
The TCP can flag data segments with different priorities (e.g. urgent,
externally urgent/to be pushed ..)
TCP performs error correction
n The header of the TCP segment has several other fields and options