#include <stdio.h>
int main()
{
int windowsize,sent=0,ack,i;
printf("enter window size\n");
scanf("%d",&windowsize);
while(1)
{
for( i = 0; i < windowsize; i++)
{
printf("Frame %d has been transmitted.\n",sent);
sent++;
if(sent == windowsize)
break;
}
printf("\nPlease enter the last Acknowledgement received.\n");
scanf("%d",&ack);
if(ack == windowsize)
break;
else
sent = ack;
}
return 0;
}
output:-
enter window size
8
Frame 0 has been transmitted.
Frame 1 has been transmitted.
Frame 2 has been transmitted.
Frame 3 has been transmitted.
Frame 4 has been transmitted.
Frame 5 has been transmitted.
Frame 6 has been transmitted.
Frame 7 has been transmitted.
Please enter the last Acknowledgement received.
2
Frame 2 has been transmitted.
Frame 3 has been transmitted.
Frame 4 has been transmitted.
Frame 5 has been transmitted.
Frame 6 has been transmitted.
Frame 7 has been transmitted.
Please enter the last Acknowledgement received.
8
