Introduction to Networking

Homework 3


Handed out:      Th., February 19, 2003

Due back:         Mon., Mar 1, 11:59pm (by email timestamp).

Submission:      Electronic submission to the grader (not TA!) at

                        Send your write-up as an attachment with your name on it.

Word preferred so that you can input formula/symbols with superscript and subscript.  The grader will add comments and grade to your file directly.

Notes:              To be done individually.


  1. Textbook review question 4-8, also briefly explain the reasons.
  2. Textbook review question 4-9
  3. Textbook review question 4-24
  4. Textbook problem 4-1

Note that connection-oriented architecture is virtual circuit, while connectionless architecture is the datagram. Both are on the network layer.

  1. Textbook problem 4-4 (b), (d), (e)
  2. Textbook problem 4-5
  3. Textbook problem 4-6
  4. Textbook problem 4-9
  5. Textbook problem 4-12
  6. Textbook problem 4-16
  7. Textbook problem 4-19
  8. Textbook problem 4-21


I include figure 4.54 which is used in the last two questions.  You can directly add arrows/links on the graph.