INITIAL=4MSS
THRESHOLD ,TH=16MSS
TIMEOUT TO=5TH TRANSMISSION
8TH TRANSMISSION , SIZE OF WINDOW =?????????????
4MSS
8 MSS
16 MSS--------TH
17MSS
18 MSS----TO
NEW TH=16 MSS/2=8 MSS ,CONTINUE
4 MSS
8 MSS ------ TH
9 MSS------- 8TH TRANSMISSION WINDOW SIZE ::::::::::::::::::::::::::: ANS