Earlier quoted context omitted.
>How did IPv4 and NAT play any role in the dominance of Facebook, Airbnb et cetera? Very directly, I would say, by making the barrier to running your own low-traffic website too high. Modern social media is all about hosting content - microblogs, photos, etc. Geocities was an early workaround to an inability to host things, and it's worth remembering that MySpace was originally positioned as a kind of evolution of th…
The barrier is from the tools, not NAT. Maintaining your own server is prohibitively difficult for pretty much anyone besides niche technology enthusiasts or IT professionals. > Were it not for NAT, I would have expected an explosion in tiny self-hosted personal sites around the time that dialup was replaced by always-on cable connections NAT never stopped you from port forwarding 80 to your local server and many peo…
Consider this: the application protocols that arose in the early days of the Internet were decentralized/federated systems such as NNTP, SMTP, IRC. But application-level protocols that are developed with a P2P or federated architecture today are niche rather than mainstream (like BitTorrent), or dead because a major company killed their adoption (like XMPP).
The canary was the loss of old-school active-mode FTP, broken by middleboxes impeding connections. Plenty of people saw this coming.