Week 11: Congestion Avoidance & QoS

Monday, April 13: Congestion avoidance

Read P&D 6.4 (pp. 486 - 499)

Briefly answer the following questions. Send your answers in the body of an email to me (davisjan@cs.grinnell.edu) by 11 a.m. Please use "CSC-364 04-13" as the subject line of your email. For problems, write a one-line answer. You need not present your entire approach.

1. P&D exercise 6.33
2. P&D exercise 6.39
3. P&D exercise 6.41
4. What is the most important thing that you learned from the reading?
5. What's a question you still have about the reading? Where would you like us to focus our time in class?
6. About how long did you spend on the reading and problems?

Tuesday, April 14, 5:30 p.m.: Abstract due

Submit an abstract on one of the following:

• Jacobson & Karels (1988), Congestion avoidance and control
• Floyd & Jacobson (1993), Random Early Detection gateways for Congestion Avoidance
• Floyd et al (2008), RFC 5348: TCP Friendly Rate Control (TFRC): Protocol Specification

Wednesday, April 15: Quality of Service

Read P&D 6.5 (pp. 499 - 524). Focus on the taxonomy of applications and the distinctions between IntServ and DiffServ.

Briefly answer the following questions. Send your answers in the body of an email to me (davisjan@cs.grinnell.edu) by 11 a.m. Please use "CSC-364 04-15" as the subject line of your email. For problems, write a one-line answer. You need not present your entire approach.

1. P&D exercise 6.44
2. P&D exercise 6.46
3. What is the most important thing that you learned from the reading?
4. What's a question you still have about the reading? Where would you like us to focus our time in class?
5. About how long did you spend on the reading and problems?

Friday, April 17: Observing TCP

Due: Lab 10: Implementing BLAST

Assigned: Lab 11: Observing TCP

Janet Davis (davisjan@cs.grinnell.edu)