Tuesday, September 17, 2019

Week 3 CST 311: Intro to Computer Networks

This week, we learned about multiplexing and demultiplexing, UDP, TCP segment structure, reliable data transfer, and TCP flow control.

Muliplexing is when data is used at multiple sockets and the transport header is added. Demultiplexing is located at the receiver and the header from the multiplexer is used to deliver the segments to its socket. UDP is connectionless transport although it is unordered and unreliable. The TCP segment structure contains a source/dest port number, other header fields, then the application data. Reliable data transfer is important in the application, transport, and link layers.
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