_Schedule
Course info
Course basics
| Lectures | Mondays, Wednesday, & Fridays 1:30 p.m.–2:20 p.m. in Gates B1 |
| Lab sessions | Wednesdays, 7:30 p.m.–10 p.m. in STLC 114 |
| Exams | - Midterm: in class (replacing week 6 lab session): Wednesday, October 29, 7:30–9 p.m. (location Hewlett 200) - Final: Wednesday, December 10, 3:30 p.m.–5:00 p.m. (location Cemex Auditorium) |
| Optional course texts | - Kaashoek & Saltzer, “Principles of Computer System Design,” Chapters 7–8 (Networks & Fault Tolerance) - Kurose & Ross, “Computer Networking: A Top-Down Approach” - Peterson & Davie, “Computer Networks: A Systems Approach” |
| Practice exams | -  Midterm (2021 Fall) Midterm Answer (2021 Fall)- Midterm (2023 Spring) Midterm Answer (2023 Spring)- Final (2021 Fall) Final Answer (2021 Fall)- Final (2023 Spring) Final Answer (2023 Spring) |
| Contact | To contact the course staff, please use Ed, the lab sessions, or office hours. You can also email the instructor—I’m here to help but also often behind on email! |
| Accommodations for Disabilities | Please use the submission form to submit OAE letters. Please don’t send these via email or Ed. |
| Syllabus/logistics | Syllabus/logistics handout |
| Ed | CS144 on Ed. Please make public posts when possible so answers can benefit anybody. Please don’t post source code to lab solutions. |
| Gradescope | We use Gradescope for assignment submission and grading. The Gradescope entry code is 3X8XE2. |
| Office Hours | CS144 Office Hours Queue. Please use the class calendar at the bottom of the page for the OH schedule. |
| Lecture videos (current year and archived 2024) | Canvas Panopto Course Videos |
| Honor Code Discussion | In-class discussion of permissible collaboration |
Lab Assignment
FAQ Answers to common questions about lab assignment.
Checkpoint 0: networking warmup
Out: September 22, due September 28, 11:59 p.m.
Checkpoint 1: stitching substrings into a byte stream
Out: September 24, due October 5, 11:59 p.m.
Checkpoint 2: the TCP receiver
Out: October 4, due October 12, 11:59 p.m.
Out: October 12, due October 19, 11:59 p.m.
Checkpoint 4: measuring the real world
Out: October 12, due October 26, 11:59 p.m.
Checkpoint 5: down the stack (the network interface)
Out: November 2, due November 9, 11:59 p.m.
Checkpoint 6: building an IP router
Out: November 3, due November 16, 11:59 p.m.
Checkpoint 7: making an Internet + something creative!
Out: November 17, due December 5, 11:59 p.m.
Lecture Notes
Week 1 (Sept. 22–28)
Mon
Course intro Stuff you should know about CS144
Wed
Datagrams, encapsulation, and multiplexing
Fri
Reliability from unreliability Slides Lecture notes
Week 2 (Sept. 29–Oct. 3)
Mon
Reliability II
Wed
TCP I Slides Lecture notes
Week 3 (Oct. 6–Oct. 9)
Mon
TCP III & Packet Switching I Slides Lecture notes
Week 4 (Oct. 13–Oct. 17)
Mon
Why Congestion Control? Slides Lecture notes
Wed
What Congestion Control? Slides Lecture notes
Fri
How Congestion Control Slides
Week 5 (Oct. 20–Oct. 24)
Wed/Fri
Routing Slides
Week 6 (Oct. 27–Oct. 31)
Fri
The eras tour of home networking Lecture notes
Week 7 (Nov. 3–Nov. 7)
Fri
The eras tour of home networking II Lecture notes
Week 8 (Nov. 10–Nov. 14)
Mon
Elastic Buffers Lecture notes