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TCP/IPTCP/IP

-

3

-

way handshake

.

3

way

handshake

To establish a connection, TCP uses a three-way

handshake.

1. The active open is performed by sending a

S

S

YN to the server.

2. In response, the server replies with a SYN-

ACK.

3. Finally the client sends an ACK back to the

3.

Finally

the

client

sends

an

ACK

back

to

the

server.

14 | page

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