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CHAPTER 5.1 - Coggle Diagram
CHAPTER 5.1
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TCP three-way handshake analysis
- establishes that the destination device is present on the network
- verifies that the destination device has an active and is accepting request on the destination port number
TCP(order delivery)
- sequence numbers are assigned in the header of each packet
- represent the first data byte of the TCP segment
TCP flow chart(congestion avoidance)
- congestion causes retransmission of lost TCP segment
- retransmission of segment can make the congestion worse
UDP Low Overhead Versus Reliability
- UDP not connetion-oriented
- no retransmission, sequencing, and flow control
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