Université Catholique de Louvain: Olivier Bonaventure's "Computer Networking: Principles, Protocols, and Practice"

Read the beginning of section 4.3.3, "TCP Reliable Data Transfer," on pages 97-98. Stop when you get to "Segment Transmission Strategies."

Click https://s3.amazonaws.com/saylordotorg-resources/wwwresources/site/wp-content/uploads/2012/02/Computer-Networking-Principles-Bonaventure-1-30-31-OTC1.pdf link to open resource.