---
title: "Discussion on \"How TCP Works: The 3-Way Handshake and Reliable Communication\" | Hashnode"
description: "Discussion on \"How TCP Works: The 3-Way Handshake and Reliable Communication\". Learn how TCP works in simple terms : the 3-way handshake, sequence numbers, ACKs, retransmission, & how connections close. A beginner-friendly guide."
url: "https://hashnode.com/posts/how-tcp-works-3-way-handshake/6ad7747fe9c0681a8c7d4b49"
---

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Discussion

# [How TCP Works: The 3-Way Handshake and Reliable Communication](https://hardikdotdev.hashnode.dev/how-tcp-works-3-way-handshake?utm_source=hashnode&utm_medium=feed)

Learn how TCP works in simple terms : the 3-way handshake, sequence numbers, ACKs, retransmission, & how connections close. A beginner-friendly guide.

Oct 20 · 4 min read · hardikdotdev.hashnode.dev  
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-   [#tcp](https://hashnode.com/tag/tcp)
-   [#chaicode](https://hashnode.com/tag/chaicode)
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-   [#beginners-guide](https://hashnode.com/tag/beginners-guide)
-   [#networking-for-beginners](https://hashnode.com/tag/networking-for-beginners)
-   [#3-way-handshake](https://hashnode.com/tag/3-way-handshake)

## Written by

[Hardik Babla](https://hashnode.com/@hardikbabla)

@hardikbabla · dehradun, india

  
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Btech CSE l Learning Full-Stack @ ChaiCode l Learning in Public 🚀

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