Activity 2 - Sliding Windows

The sliding windows protocol is critical to understand. It is the basis for many protocols not only at the link layer but above.

Using the Fi and RRi notation below illustrate the transfer of 14 data packets with a window size of 4.

A small example (window size of 2 where F is a frame and RR is an acknowledgement a packets received):

----F0----->

----F1----->

<---RR2-----

----F2--->