The congestion window is a number that directs the size of the sliding window to be used TCP keeps track of the congestion window w at a host by constantly updating it, and the 1The symbol 2(f(n)) means "at least cf(n)", where c >0 is a constant independent of n precise rules are as follows: 1) Every time a positive acknowledgment comes in, w w+ and 2) every time a lost packet is detected, w. Let p be the probability that a packet is lost. 1. [5 pts] What is the expected change of the congestion window? 2. [5 pts] Given p, what congestion window will keep the expected change equal to 0