However, because TCP doesn’t respect the OSI model, we have to sort of carve TCP/IP out of this ... at the transport layer. Of the seven layers of the OSI Model, layers 5 and 6, the session ...

I like to think of the transport layer as the layer of the OSI Model ... layers 4-7 can be grouped together and thought of as the application layers. Because we work so much with TCP/IP nowadays ...