3. TCP Connection Management (25 points total. Approx. 20 minutes) The following figure shows the control messages sent among the client and the server under normal operations using the three-way handshake protoo. (Note in SYNACK (y, x) and ACK (x, y), the first number is the sequence number of the message, the second number is the acknowledgment number, i.e., the sequence number of the message being acknowledged.) Server Client SYN(X) connection established ACK(x.y established Figure 1: TCP 3-way handshake