Video presentation: Transport layer: Evolution of Transport-layer Functionality. (includes HTTP/3, QUIC).

Computer networks class.
Jim Kurose
Textbook reading: Section 3.8, Computer Networking: a Top-Down Approach (8th edition), J.F. Kurose, K.W. Ross, Pearson, 2020.
See http://gaia.cs.umass.edu/kurose_ross for more open student resources.