Princeton University · COS 461

Computer Networks

计算机网络

End-to-end design and implementation of computer networks and the Internet, supported by programming assignments and team projects.

Subject：Computer Networks

Level：Advanced Undergraduate

Suggested stage：Years 3–4 (inferred)

Public-material edition：2025

Language：English

Videos：Not verified

Assignments / solutions：Available / Not verified

Prerequisites

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All official course content

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28 direct tasks

▶Lectures, video & readingCourse content in the official sequence25

Lecture 1: Introduction Lecture 2: Fundamental Network Concepts Lecture 3: Routing Foundations Lecture 4: Network Foundations Practice Lecture 5: Ethernet and Switching Lecture 6: Link-Layer Practice Lecture 7: Routing Project and Internet Protocol Lecture 8: IP and Forwarding Lecture 9: Internet Routing I Lecture 10: Internet Routing II Lecture 11: Routing Project Workshop Lecture 12: Routing Policies Lecture 13: Routing Hackathon I Lecture 14: Routing Hackathon II Lecture 15: BGP Challenges and Solutions Lecture 16: Reliable Transport Foundations Lecture 17: Internet Congestion Control I Lecture 18: Internet Congestion Control II Lecture 19: Applications: DNS Lecture 20: Applications: HTTP and Video Lecture 21: Wireless Networks Lecture 22: Network Security Lecture 23: Datacenter Networks Lecture 24: Machine Learning for Networks Lecture 25: Course Recap

◆Labs & projectsCourse projects, labs and milestones2

Project 1: Internet Routing Project 2: Reliable Communication

◇Exams & quizzesOfficial quizzes, exams and review material1

Final exam

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Course description, outcomes, assignments, and projectsPrinceton University Department of Computer Science ↗

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Princeton University Department of Computer Science · verified 2026-07-31

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