CSE473S: Introduction to Computer Networks (Spring 2025)

Learning Outcomes: (What will you learn?)

• What messages are exchanged in popular networking applications, such as the web, email, file transfer, etc?
• How do names like www.google.com get translated to IP addresses such as 74.125.73.104?
• What is done to avoid congestion under overload?
• How is the path on the Internet determined?
• What happens if bits in a packet get corrupted?
• How do Wi-Fi, Bluetooth, and Ethernet work?
• What is done to handle audio/video on the Internet?
• How can we guarantee security on the Internet?

Textbook: J. F. Kurose and K. W. Ross, "Computer Networks: A Top-Down Approach," 8th Edition, Pearson, 2021, ISBN: 9780136681557

Instructor: Prof. Raj Jain, jain@wustl.edu, Office: McKelvey 2038, Office Hours: By appointment

Location: The class meets on Mondays and Wednesdays from 1:00 to 2:20 PM.

Teaching Assistants Office Hours: TBD

Instruction Type: Online Hybrid Course (OLH).
The class has been flipped, so you must watch the video before the class. The class time is used to answer questions logged on the question form or any other questions on the topic. All Q&A sessions will be held via Zoom. See Canvas for the Zoom link. All exams will be in person. See the modules below in the tentative schedule for links to videos.

All questions about the homeworks and exam grading should be directed to TAs.

Audio/Video recordings of lectures from the previous offering of this course are available online: Spring 2024, Spring 2023, Spring 2022, Spring 2021, Spring 2020, Spring 2019, Fall 2016, Fall 2011, Fall 2010, Fall 2009, Fall 2005.

Tentative Schedule (Subject to Change)