You are to a file composed of 6 packets, P1 to P6, from A to B using SAW, GBN, and SR protocols with a window size of 3, with packet time is 1 ms, RTT is 10 ms, and timeout is 15 ms. Draw a timing diagram showing events (transmission, reception, retransmission, etc) for the following scenarios: 1) All packets and Acknowledgements are sent and received successfully 2) Packet number 3 is lost and transmitted successfully upon retransmission 3) Packets 2 and 3 and Acknowledgements 4 are lost and transmitted successfully upon retransmission