Engineer's perspective: TCP is at Layer 4, IP is at Layer 3, VLAN is at Layer 2—layered thinking is the first step in ...

TCP/IP, often referred to as the Internet Architecture, is a loose interpretation of the strictly layered architecture called the Open System Interconnection Model, otherwise known as the OSI Model.

The TCP/IP model is simpler than the traditional OSI model but still retains the fundamental networking concepts necessary for communication. Transmission Control Protocol (TCP): Ensuring Reliable ...