Introduction to Data Communications (S1, 2013)

Data Link Control Protocols

Lecture Notes

• Presentation: PDF
• Stop and Wait Flow Control calculator - set parameter values for links, devices and traffic, and automatically calculate the throughput and efficiency of stop-and-wait flow control
• Sliding Window Flow Control - two examples of sliding window flow control with different maximum window sizes, W
• Sliding Window Examples - example questions on sliding windows. See the notes for the answers.
• Flow Control Examples - example questions (with answers) on flow control efficiency.

Readings

• Stallings: chapter 7
• Forouzan: chapter 11
• Kurose: none

Links

• Stop and Wait Animation from Forouzan
• Sliding Window Animation from Forouzan
• Packet loss animation from Forouzan
• Flow Control Applet Demo from Kurose
• Go-Back-N Applet Demo from Kurose
• Selective-Repeat Applet Demo from Kurose
• ARQ Protocol Simulator, Java applet that demonstrates Stop-and-Wait, Go-Back-N and Selective-Repeat ARQ in the presence of errors

Videos

• This year: CS15, IT16, CS/IT16, CS/IT18,
• Last year: CS1, CS2, CS3, CS4, IT1, IT2

Notes

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