consider the evolution of the congestion window of the tcp tahoe protocol (slow

Question

consider the evolution of the congestion window of the tcp tahoe protocol (slow start-congestion avoidance -fast recovery). initially the congestion window(cwnd) is 1MSS and the slow start threshold(ssthresh) value is 32.

a) number of transmission rounds will it take reach the ssthresh value is: ______

b)suppose a packet loss is detected at transmission round 15. The values of cwnd just before and after the packet loss detection are : _______ and __________

c) the new value of ssthresh after packet loss detection is :__________

Explanation / Answer

a) The number of transmission rounds will it take to reach the ssthresh value is :32

b) When a packet loss is detected at transmission round 15.The value of cwnd just before and after the packet loss detection are : 31 MSS and 32+3=35

c) The new value of ssthresh after packet loss detection is: 32/2=16

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