TCP Three-way Handshake

Source: Internet
Author: User

Initialize TCP variables:

Sequence numbers

Buffers,flow Control Info


Client: Connection Initiator

Socket clientsocket = new socket ("hostname", "portnumber");


Server: Contacted by client

Socket connectionsocket = welcomescoket.accept ();


Three-way Handshake:

Step1: Client sends TCP SYN segment to server

Specifies initial Seqnum = x

No data

STEP2: server receives SYN replies with syn/ack segment

Server allocates buffers

Specifies server initial SEQ =y

Acknowledgement = X+1

step3: Client receives Syn/ack replies with ACKsegment. Which my contain data

acknowledgement = y+1


Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

TCP Three-way Handshake

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