Comp 343-001 Week 8 notes

July 8, 2026

DNS note: 10¹² requests/day. That's over 100 million per second.

5-year sentence for IPv4 address theft

• End-to-end principle (done)
• TCP header
• Connection establishment
• TCP simplex talk (done partly)
• the TCP state diagram

• Old Duplicates
• Timewait
• Threeway handshake revisited
• Anomalies
• Misc TCP features: Faster Open, Path MTU Discovery, Delayed ACKs, Nagle Algorithm, Flow Control, SWS
• Timeout and Retransmission
• Timers
• TCP alternatives
• QUIC

    Mininet demo of 3WHS