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    You can certainly label things as you see fit, but HTTP was developed without regard to the OSI model, and it doesn't conform to the specifications. The same is true about VPNs -- the OSI standards never anticipated them. So any resemblance is, as they say, completely coincidental. Commented Feb 19, 2017 at 15:25
  • @RonTrunk - IP wasn't designed to the OSI model, but it fits pretty neatly in layer 3. OSI has a model, and it has detailed specifications of lots of services. HTTP doesn't match any of the OSI service specifications, not even close. But I would assert that it does handle issues that are addressed in the OSI application and presentation model layers. Now, I don't know whether that assertion is very helpful, but it's valid. Commented Dec 18, 2020 at 3:03