According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

The Open System Interconnect (OSI) network model, referred to by many as simply a stack, is in fact a well-designed, layered architecture for efficient intersystem and intrasystem communications. In ...

The reason it makes sense NOT to jump into deep packet inspection (or, as you ask, starting at L1), is that starting at an app layer you have a holistic view of *every* possible link in the chain. If ...