The TCP 3-Way Handshake is the ritual that every TCP connection performs before any real data flows. It’s a tiny three-step conversation — SYN, SYN-ACK, ACK — but it’s the reason the internet feels reliable, ordered, and predictable.This handshake lets a client and server agree on sequence numbers, confirm each other’s presence, and prepare a clean channel for communication. Without it, TCP wouldn’t be connection-oriented; it would be chaos in packet form.In this episode, we explore:• What SYN, ACK, SYN-ACK, and FIN actually do• How the handshake establishes sequence numbers• Why TCP needs a negotiation phase before data transfer• The exact steps of the 3-way handshake• A real-world example showing the packet exchange• How connections are gracefully terminated• Why this handshake makes TCP reliable while UDP stays connectionless🌐 Reserve your permanent digital ad space: AdParcel.io📗 Learn software testing in 1 day: TestingIn1Day.com💻 Connect with tech founders: StartupMafia.net

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