CSCI 4273/5273: Network Systems

Spring 2007

Department of Computer Science, University of Colorado at Boulder


See the Moodle class Web page at

Schedule & Location: Mon, Wed 4-5:15 pm, ECCR 1B28 (CAETE classroom)
Course number: CSCI 4273/5273, Call # depends on ugrad/grad.  See also the CS Web site and look under the Courses option.
CSCI 3753 Operating Systems, and familiarity with C and UNIX.
Professor Rick Han,
Office: ECCR 1B05F
Office Hours: Tuesday 1-2 pm
and Wednesday 2:15-3:15 p.m. in ECCR 1B06 - note this is across the hall from my office.  Additional appointments as needed.
Phone: 303-492-0914

Other very useful references: 

TA: Chao-Kai Ching
TA Office/Hours: Wednesday 10 am, and Friday 3 pm, ECCS 122, and contact by email for other meetings.
TA Email:
Chao-Kai Ching

class Web site:
start at, then click the link at the top, or the Teaching/Classes button.  These will take you to the syllabus.  Once at the syllabus page, click the link at the top to go to the moodle, where assignments and lecture slides are found.  To view the CAETE videos of the class, go to the CU-Anywhere site  You will have to establish accounts at both the moodle and CU-Anywhere.  This is a class supported by CAETE for distance learning.  The CAETE Web site is located at

CSEL Accounts:
Each student should sign up for an account on the Computer Science Educational Labs (CSEL) Linux cluster.  The general CSEL site is


25% Final exam
15% Midterm exam
45% Programming assignments
15% Problem sets/homework

Plagiarism policy.

All programming assignments and homeworks are due by start of class on their respective due dates, unless otherwise noted.  Programming assignments and homeworks must be submitted by uploading them to the moodle class Web page, unless otherwise noted.   The late policy for programming assignments is as follows: 10% off if submitted within 24 hours of the due date; 20% off if submitted 24-48 hours after the due date; no credit if submitted two days or more after the due date.  Late homeworks will not be accepted, unless otherwise noted by the instructor.  Extensions will not be granted except at the instructor's discretion in documented cases of extreme hardship.

Grading for graduate students in 5273 will be evaluated separately from grading for undergraduate students in 4273.  As the occasion warrants, certain assignments may have a higher degree of difficulty for graduate students.

All programming assignments must be written in C and compiled for execution on the Linux operating system in the CSEL Linux cluster, unless otherwise noted.


Problem sets and programming assignments will be posted on the moodle class Web page.

Disability Policy

Religious Observances Policy

Discrimination and Sexual Harassment Policy

Classroom Behavior Policy