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CS 168 Spring 2025

For questions about Spring 2025, please see our SP25 FAQs page.

Announcements

Pre-Semester Announcements

Jan 10

• The final exam date on this website is confirmed. Everything else is subject to change.
• If you have any questions, please email cs168@berkeley.edu.

Past announcements

Calendar

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Wk.	Date	Lecture (Playlist, Zoom)	Readings	Discussion	Homework	Project
1	Wed Jan 22	1. Intro 1: Layers  / Logistics Slides	Intro, Layers, Headers	No discussion		Project 1A (Traceroute) (due Tue Feb 4)
2	Mon Jan 27	2. Intro 2: Design Principles	Architecture, Design	1. Intro I
	Wed Jan 29	3. Intro 3: Links	Links, Multiplexing
3	Mon Feb 03	4. Routing 1: Principles	Intro, Model, States	2. Intro II	HW1: Architecture (due Mon Feb 24)
	Wed Feb 05	5. Routing 2: Distance-Vector	Distance-Vector			Project 1B (Traceroute) (due Fri Feb 14)
4	Mon Feb 10	6. Routing 3: Link-State, Addressing	Link-State, Addressing	3. Ethernet
	Wed Feb 12	7. Routing 4: Routers	Routers
5	Mon Feb 17	No Lecture (Presidents’ Day)		4. Routing I	HW2: Routing (due Mon Mar 17)	Project 2 (Routing) (due Fri Feb 28)
	Wed Feb 19	8. Routing 5: BGP I	Model, Design
6	Mon Feb 24	9. Routing 6: BGP II	Implementation, IP Header	5. Routing II
	Wed Feb 26	10. Transport 1: TCP I	Principles
7	Mon Mar 03	11. Transport 2: TCP II	Design, Implementation	6. BGP	HW3: Transport (due Mon Mar 31)
	Wed Mar 05	12. Transport 3: Congestion Control I	Principles, Design, Implementation
8	Mon Mar 10	13. Transport 4: Congestion Control II	Throughput, Issues, Router-Assisted	7. No Discussion (Midterm)
	Wed Mar 12	14. Applications 1: DNS	DNS			Project 3A (Transport) (due Fri Mar 21)
9	Mon Mar 17	15. Applications 2: HTTP	HTTP	8. TCP
	Wed Mar 19	16. End-to-End 1: Ethernet, STP	End-to-End
10	Mon Mar 24	No Lecture (Spring Break)		9. No Discussion (Spring Break)
	Wed Mar 26	No Lecture (Spring Break)
11	Mon Mar 31	17. End-to-End 2: ARP, DHCP, NAT, TLS	ARP, DHCP, NAT, TLS	10. Congestion Control		Project 3B (Transport) (due Tue Apr 8)
	Wed Apr 02	18. Datacenters 1: Topology	Topology, Congestion
12	Mon Apr 07	19. Datacenters 2: Routing	Routing, Addressing, Virtualization	11. DNS, HTTP	HW4: Applications, End-to-End (due Mon Apr 14)
	Wed Apr 09	20. Datacenters 3: SDN	SDN
13	Mon Apr 14	21. Datacenters 4: Host Networking	Host Networking	12. End-to-End	HW5: Datacenters (due Mon Apr 21)
	Wed Apr 16	22. Beyond Client-Server 1: Multicast	None
14	Mon Apr 21	23. Beyond Client-Server 2: Collectives	None	13. Datacenters	HW6: Special Topics (due Mon Apr 28)
	Wed Apr 23	24. Special Topics 1: Wireless	Wireless
15	Mon Apr 28	25. Special Topics 2: Cellular	Cellular	14. Special Topics
	Wed Apr 30	26. Guest lecture	None
16	Sat May 17	Final Exam: (3–6pm)