The TCP and UDP operates in the transport layer of the OSI model.
They work on the top of the IP protocol working in the Network layer.
TCP header size-20 bytes
UDP header size-8 bytes
assigned port numbers-0- 1023
registered port numbers-1024-65535
dynamic port numbers- 49152-65535
Nagle's algorithem is used to send several small buffered packets as a single packet.
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