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Transport Layer - Coggle Diagram
Transport Layer
purpose
provides logical communication
app don't need to care about how to communicate
sender
chops PDU into
segments
/fragment data
receiver
pass
segment
to the right process/
port
put together
segments
/fragment data
major types
TCP
features
congestion control
flow control
reliability
larger overhead data
20 byte
segment
contains
source port
destination port
sequence number
ACK number
UDP
features
lesser overhead data
8 byte
faster
connectionless
no handshaking
segment
contains
source port
destination port
length
checksum (error detection)
application data / payload
port
well-known port
0 - 1023