Yes I used one of his diagrams in the previous post: The Internet Was Designed With a Narrow Waist https://www.oilshell.org/blog/2022/02/diagrams.html https:/

Yes I used one of his diagrams in the previous post: The Internet Was Designed With a Narrow Waist https://www.oilshell.org/blog/2022/02/diagrams.html https://www.oilshell.org/blog/2022/02/diagrams.html Through writing that I also found that the "narrow waist" idea and metaphor comes from Postel himself (see the appendix). This doesn't seem to be widely acknowledged, and others cite various non-Postel RFCs, but it's fairly clear in Jacobsen's telling (and he was there)