Network

Understanding Wi-Fi (Wireless Fidelity)

In the wired world, we're talking about IEEE 802.3. But the moment we cut the cable, we move into IEEE 802.11 — the world of wireless communication: Wi-Fi, Bluetooth, and friends.

02 May 2025 361 views

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Network

Understand Spanning Tree Protocol (STP)

Understand everything about Spanning Tree Protocol (STP): how the network avoids loops, how to find the Root Bridge, calculate which ports to block, and why RSTP is a thousand times better.

26 Apr 2025 368 views

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Network

QUIC: The Future Network Protocol, Already Here Today

QUIC (Quick UDP Internet Connections) is a modern network protocol that redefines how data is transmitted over the internet. It is designed to overcome the limitations of TCP and UDP, while integrating security and multiplexing features that were previously handled separately by protocols like TCP and TLS. In this article, we’ll take a deep dive into how QUIC works, its integration with HTTP/3, its place in the OSI model, and how it’s already deployed on sites like hwiki.xyz.

17 Apr 2025 367 views

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Network

NAT: Network Address Translation

Understand how NAT (Network Address Translation) works with clear diagrams and Cisco configuration examples. Learn static and dynamic NAT in simple terms.

16 Apr 2025 336 views

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