> My answer: > I would argue that it is only meaningful to have the same window size between the sender and receiver. If the receiver's window is smaller, then they would not be able to accept all the frames sent by the sender (if the sender sends the max number of frames that it can in one transmission).

> If the receiver's window is larger than the sender's, then the receiver's window would never be full and so it's not meaningful to have different window sizes.