traffic test

apache benchmark

ab -n 10000 -c 100 -k -t 60 http://3.238.182.73/

TCP connection Lifecycle

Connection Establishment

• SYN : client sends a SYN
• SYN-ACK : Server responds with a SYN-ACK
• ACK : Client sends a final ACK
• State : Connection ESTABLISHED

Data Transfer

Connection Termination

• FIN : One side sends a FIN
• ACK : The other side acknowledges the FIN
• ACK : The first side acknowledges the second FIN
• STATE : The connection enters the TIME_WAIT state on the actively closing side

Keep-Alive

HTTP Keep-Alive (Application Layer)

• keeps TCP connection established state and waits for a new request from the client

TCP Keep-Alive (Transport Layer)