Internet Layering(Protocol Stack") Note on a point of potential confusion: these diagrams are always drawn with lower layers below higher layers Application But diagrams showing the layouts of packets 432 Transport are often the opposite, with the lower layers at the top since their headers precede those for higher layers Link PhysicalInternet Layering (“ P r otocol Stack”) 7 4 3 2 1 Note on a point of potential confusion: these diagrams are always drawn with lower layers below higher layers … But diagrams showing the layouts of packets are often the opposite, with the lower layers at the top since their headers precede those for higher layers 11 Application Transport (Inter)Network Link Physical