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TCP
             Reno, NewReno, SACK


12 September 2008   NUS CS5229, Semester 1,   1
                           2008/09
TCP Reno


12 September 2008     NUS CS5229, Semester 1,   3
                             2008/09
new ack:
 if (cwnd  sstresh)
    cwnd += 1
 else
    cwnd += 1/cwnd
12 September 2008   NUS CS5229, Semester 1,   4
                           2008/09
timeout:
 retransmit 1st unacked
 ssthresh = cwnd/2
 cwnd = 1

12 September 2008   NUS CS5229, Semester 1,   5
                           2008/09
3rd dup ack:
 retransmit 1st unacked
 ssthresh = cwnd/2
 cwnd = cwnd/2 + 3

12 September 2008   NUS CS5229, Semester 1,   6
                           2008/09
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC
CS5229 Lecture 5: TCP and TRFC

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CS5229 Lecture 5: TCP and TRFC

  • 1. TCP Reno, NewReno, SACK 12 September 2008 NUS CS5229, Semester 1, 1 2008/09
  • 2. TCP Reno 12 September 2008 NUS CS5229, Semester 1, 3 2008/09
  • 3. new ack: if (cwnd sstresh) cwnd += 1 else cwnd += 1/cwnd 12 September 2008 NUS CS5229, Semester 1, 4 2008/09
  • 4. timeout: retransmit 1st unacked ssthresh = cwnd/2 cwnd = 1 12 September 2008 NUS CS5229, Semester 1, 5 2008/09
  • 5. 3rd dup ack: retransmit 1st unacked ssthresh = cwnd/2 cwnd = cwnd/2 + 3 12 September 2008 NUS CS5229, Semester 1, 6 2008/09