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CS 656Computer Networks

Units
0.50
Level
Graduate
Faculty
Mathematics
Subject
Computer Science

When it runs

  1. F24
  2. W25
  3. S25
  4. F25
  5. W26
  6. S26
  7. F26
  8. W27
  9. S27

Ran in 7 of the last 7 terms. Winter 2027: scheduled, 2 lecture sections. Spring 2027: schedule not out yet.

An introduction to network architectures and protocols, placing emphasis on protocols used in the Internet. Specific topics include application layer protocols, network programming, transport protocols, routing, multicast, data link layer issues, multimedia networking, network security, and network management.

Prerequisites

None listed.

Antirequisites

  • Not completed nor concurrently enrolled in any of the following:
    • CS755 - System and Network Architectures and Implementation (0.50)

Leads to

No course lists it as a requisite.

Fall 2026 sections

Enrolment from UW Open Data, which can trail Quest by up to two days. Instructors and rooms: Schedule of Classes.
SectionClassEnrolledMeets
LEC 00160864 / 5MW 16:00–17:20
TST 10166904 / 5Nov 3 19:00–20:50

Winter 2027 sections

Enrolment from UW Open Data, which can trail Quest by up to two days. Instructors and rooms: Schedule of Classes.
SectionClassEnrolledMeets
LEC 00155600 / 8MW 14:30–15:50
LEC 00258940 / 8MW 10:00–11:20
TST 10161160 / 16Mar 5 18:30–20:00

Discussed on r/uwaterloo

3 posts and comments in 3 threads mention CS 656, March 2017 to December 2024. Quoted word for word, newest first; each reply sits under the post and the comment that started its branch. Search r/uwaterloo for newer posts.

Fall 2020

CS456 Rant 14 points, 21 comments

“Hello all, if you are in CS456 currently for Fall 2020, I want to see how many of you are having difficulty with this course. …”

u/mymnix: “Could you explain the situation for CS456 online at the moment? As a CS student who may take this course in the future, this post has me concerned...”

u/7minsoverdue: “… I did take this class as a grad student (cs656) last year as well, taught by Prof Lesley Istead. The slides used this term were almost exactly the same as the ones used when I was taking it so I would assume that they are conventional ones for this course. …”

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Fall 2017

Any way to disable UWCourseLinker from posting? 16 points, 26 comments

“posting a reply to my comment I find the bot annoying.”

u/Jackhofmann: “PSYCH 483 PSYCH 484 PSYCH 485 PSYCH 486 PSYCH 490R PSYCH 499A PSYCH 499B PSYCH 499C PSYCH 621 PSYCH 630 PSYCH 677A PSYCH 704A PSYCH 704B PSYCH 707 PSYCH 710 PSYCH 714 PSYCH 717 PSYCH 720A PSYCH 721A …”

u/Jackhofmann: “… 432 CS 445 CS 456 CS 458 CS 466 CS 486 CS 488 CS 489 CS 499R CS 499T CS 600 CS 638 CS 645 CS 656 CS 658 CS 666 CS 686 CS 688 CS 697 CS 698 CS 745 CS 766 CS 768 CS 770 CS 798 CS 846 CS 848 CS 854 CS 858 CS 886 CS 898 CT 601 CT 603 CT 606A CT 606B DAC 202 DAC 204 DAC 305 DAC 308 …”

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Winter 2017

Check it elsewhere for Fall 2026

Calendar versions

Graduate Calendar

Older Graduate Calendars

In 42 terms, Fall 2006 to Winter 2024