Video presentation: Computer Networks and the Internet.
5.2 Routing algorithms: distance vector routing. BellmanFord distancevector routing algorithm. An elegant, distributed routing algorithm!

Computer networks class.
Jim Kurose
Textbook reading: Section 5.2, Computer Networking: a TopDown Approach (8th edition), J.F. Kurose, K.W. Ross, Pearson, 2020.
See http://gaia.cs.umass.edu/kurose_ross for more open student resources.