TCP Connection Management (cont.)

Step 3: client receives FIN, replies with ACK.

• Enters “timed wait” - will respond with ACK to received FINs

Step 4: server, receives ACK. Connection closed.

Note: with small modification, can handly simultaneous FINs.

client

FIN

server

ACK

ACK

FIN

closing

closing

closed

timed wait

closed

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