# N4N028: The Wide World of WANs

An episode of [N Is For Networking](https://invisiblenetwork.ai/podcast/1772772350), 29 May 2025, 1 h 01 min.

Audio: https://feeds.packetpushers.net/link/24045/17040516/N4N028.mp3

We wanted to do an episode on SD-WAN, but realized we needed to set the stage for how wide-area networking developed. That’s why today’s episode is a history lesson of the Wide Area Network (WAN). We talk about how WANs emerged, public and private WANs, how WANs connect to LANs and data centers, the care... Read more »

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