Under: 7.1.2. Poorly understood terminology
>This is what happened with “session”. When OSI named this layer, it had nothing to do with sessions in general, but with very specific issues connecting a terminal to a mainframe.
[...]
What we think of as sessions (as in HTTP) are actually called associations in OSI, and is assigned to the Application Layer #7.
Under: 7.1.2. Poorly understood terminology >This is what happened with “session”. When OSI named this layer, it had nothing to do with sessions in general, but with very specific issues connecting a terminal to a mainframe. [...] What we think of as sessions (as in HTTP) are actually called associations in OSI, and is assigned to the Application Layer #7.