Videos

YouTube channel

Here is a link to about 80 hours of indexed lecture videos of me teaching from my book Mathematical Foundations of Computer Networking.
Here is a link to 24 lectures (about 30 hours) from my course CS 436 at the University of Waterloo: “Distributed Computer Systems.” The course was designed for students with very little computer science background, so makes almost no assumptions about background knowledge. Most of the lectures are about networking, with a little on distributed systems at the end.

My public lecture in April 2025 on Is there hope for the climate.
Here is a link to my presentation “Hints on doing research.”
Video of my presentation on carbon credits in the EEG seminar series
My presentation on carbon credits in the NGN seminar series, April 2022.
Blockchains and Energy Tutorial at ACM eEnergy, June 2020. Video
Testimony in the US Senate Judiciary Committee about the cost of text messaging, June 2009. My testimony starts 18 minutes into the proceedings.
How the Internet can Green the Grid, Google Waterloo on April 13, 2010, Video
Solar + Storage + IoT + LED = $30 trillion, WISE Public Lecture, February 13, 2017. Video
Interview on CBC Radio’s The House, December 2017.