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Dr.Jun Takei #07 02/27/2007

Recent History of TCP

• TCP has been improved over the years
  
  
  • More robust estimates of round-trip time
    
    
  • Faster recovery from packet loss
    
    
  • Congestion avoidance and improvements
    
    
• TCP Reno
  
  
  • Developed by Van Jacobsen in 1990
    
    
  • Improvement to TCP Tahoe (1988)
    
    
  • Added fast recovery and fast retransmit
    
    
• TCP Vegas
  
  
  • Developed by Brakmo and Peterson in 1995
    
    
  • New congestion avoidance algorithm