History of TCP Congestion Control


3 major versions of TCP congestion control
TCP congestion control scheme has been deployed with BSD Unix.

Tahoe 
Implemented in 4.3BSD Tahoe, Net/1 (around 1988) 
Slow Start and Congestion Avoidance
Fast Retransmit

Reno
implemented in 4.3BSD Reno, Net/2 (around 1990)
Fast Recovery after Fast Retransmit

NewReno	
no reference implementation (around 1996)	 
New Fast Recovery Algorithm