Understanding Computer Networking: Key Concepts Explained
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Understanding Computer Networking: Key Concepts Explained

Published by When Notes Fly · View original ↗

A comprehensive guide to networking, covering OSI layers, IP addressing, DNS, and how data travels from browser to server.

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  1. 12 July 2026 · corrected by Melik Can Sariyer

    2 corrections applied: RFC 768 (UDP specification) was authored by Jon Postel, not David Reed. | The end-to-end principle was introduced by Saltzer, Reed, and Clark in their 1981 paper, not a 1988 paper.

    Before

    RFC 768 (1980) by David Reed, sends packets with no connection setup, no acknowledgment ... described this as the "end-to-end principle" in a 1988 paper

    After

    RFC 768 (1980) by Jon Postel, sends packets with no connection setup, no acknowledgment ... described this as the "end-to-end principle" in a 1981 paper

    Why: Two corrections: RFC 768 (the UDP specification) was authored by Jon Postel, not David Reed. Separately, Saltzer, Reed, and Clark introduced the end-to-end principle in their 1981 paper, not a 1988 paper.

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Melik Can SariyerExpert Contributor