 TCP uses a congestion window in the sender side to do congestion avoidance. TCP slow start is an algorithm which balances the speed of a network connection. Furthermore, what is the best TCP congestion control? In addition, TCP Vegas uses additive increases in the congestion window. Revisiting TCP Congestion Control Throughput Models & Fairness Properties At Scale Adithya Abraham Philip, Ranysha Ware, Rukshani Athapathu, Justine Sherry, Vyas Sekar Carnegie Mellon University United States of America Abstract Much of our understanding of congestion control algorithm (CCA) throughput and fairness is derived from models and mea- Revisiting TCP Congestion Control Throughput Models & Fairness Properties At Scale Adithya Abraham Philip, Ranysha Ware, Rukshani Athapathu, Justine Sherry, Vyas Sekar Carnegie Mellon University United States of America Abstract Much of our understanding of congestion control algorithm (CCA) throughput and fairness is derived from models and mea- Transmission Control Protocol (TCP) uses a network congestion-avoidance algorithm that includes various aspects of an additive increase/multiplicative decrease (AIMD) scheme, along with other schemes including slow start and congestion window, to achieve congestion avoidance. 