CITS3002 Computer Networks  
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The TCP/IP Protocol Dependencies

The many Internet protocols naturally depend on each other, that is they demand the services provided by other protocols.

For example, the file-transfer protocol (FTP) demands that it operates over a reliable stream protocol (TCP), delivered to a host on a network (IP) which provides flow control (ICMP).

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CITS3002 Computer Networks, Lecture 7, The TCP/IP protocol suite, p18, 17th April 2024.