Basic HTML version of Foils prepared Dec. 6 98

Foil 6 TCP / IP (4)

From Introduction to Network Protocols Lectures at Xi'an Jaotong University -- Sept 1998. by Roman Markowski
TCP / IP protocol stack
  • Application (telnet, NFS, SNMP)
  • Transport (TCP / UDP)
  • Network (IP)
  • Physical
TCP (stream --> segment --> datagram --> frame)
  • reliable, connection-oriented, byte-stream protocol
UDP (message--> packet --> datagram --> frame)
  • unreliable, connection-less datagram protocol
IP - connection-less protocol: when the datagrams are sent, the network does not know that there is any connection between them

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