This is a basic network diagram. Simply described, a network diagram is a schematic or map of your current network that shows the nodes and connections. The relationships between your elements and devices can be mapped out using network diagrams, which can also be used to show alternate network topologies. Although network diagrams exist in a variety of sizes and configurations, they can generally be divided into two categories: logical network diagrams and physical network diagrams. Create your network diagram easily with EdrawMax.