COS-461, Spring 2009: Computer Networks

Latest Announcements

5/28: Final grades available on SCORE and exams in room 210. Have a great summer!
5/13: Final will be comprehensive and two hours long (1:30-3:30pm) on May 21st. Practice exams are posted.

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This course studies computer networks and the services built on top of them. Topics include packet-switch and multi-access networks, routing and flow control, congestion control and quality-of-service, Internet protocols (IP, TCP, BGP), the client-server model and RPC, elements of distributed systems (naming, security, caching) and the design of network services (multimedia, peer-to-peer networks, file and web servers, content distribution networks).

Prerequisite: COS 217. Although not required, taking either COS 318 or 333 before COS 461 is helpful for the programming assignments.



RoleNameEmail ( Hours
Lecturer Mike Freedman 208 Mon and Wed, 2:50-3:30pm
TA Wyatt Lloyd 003 Mon 3-4pm, Tue 4-5pm
TA Jeff Terrace 001B Wed 3-4pm, Fri 1:30-2:30pm

For questions about the course, please email us at cos461-staff (at)


Last updated: Thu May 28 11:54:12 -0400 2009