What is a logical network diagram?

A logical network diagram illustrates the network architecture of a group of interconnected computers and other devices such as printers, modems, switches, routers, and even mobile devices. These electronic components form the physical network that provides local area network (LAN) and wide area network (WAN) access to users. In addition, a physical network in an area can also be connected to the Internet, providing online access to all connected devices. How these components work together is shown in the diagram.

A logical network diagram is an illustration of the network architecture for a group of interconnected computers or other devices.

The information in a logical network diagram contains details that tell users how domain names are assigned, which servers perform specific tasks, and how all network components communicate with each other, often with security and reliability in mind. Domain names and Internet Protocol (IP) addresses provide individual components with their identification. A physical network diagram shows the physical connections of network components, while a logical diagram shows how they relate to and communicate with each other.

Printers, modems, switches, routers, mobile devices, and more can all be part of a logical network diagram.

Most strong network designs require a sophisticated yet robust physical network diagram and a sensible logical network diagram. Before any physical connections are made or any software is installed, the network must have an architecture that is efficient and elegant. That’s why creating network diagrams is often done with care and a lot of thought.

Network diagrams don’t have to be complicated and can be done using simple shapes with short but descriptive notes or labels. A flow diagram works great because it shows the flow of tasks and data between network components using directional arrows. Tree diagrams can also help to show the hierarchy between network components and tasks. With the right kind of logic applied, diagrams can show different types of networks, including computer networks, artificial neural networks, and project management networks, among many others.

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In many ways, logical network diagrams are often more useful than physical network diagrams because of their ability to show how things work rather than just how things are connected. This type of diagram doesn’t just show the connections between network components, it also shows information about those components and how they work in the overall scheme of things. There are several network diagram creation software applications available on the Internet. These applications often come with pre-drawn templates and shapes and common symbols so users can simply drag and drop these components to create many different types of network diagrams.

An Ethernet cable, which can be used on a local area network (LAN).

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