Network topology diagram examples10/10/2023 ![]() These diagrams consist of nodes and lines, with different icons to make it easy to quickly see different elements on the network. Network diagrams are the schematic representations of the underlying physical or logical network topologies. For this reason, a network could technically have one underlying physical topology describing the cable connections, and a different logical topology describing how data flows between devices, which is why it’s important to clarify which type of diagram, physical or logical, you want to create and use. ![]() But in the case of logical network topology, the connections between the nodes refer to data flow, which does not necessarily follow the cabling. Each of these topologies has its advantages and disadvantages in terms of data flow, efficiency, cost, and other factors.Īs is further explained below, in the case of physical network topology, the “connections” between network elements refer to physical cables. Other possible topologies include dual-ring, which allows data to flow two directions in a circle, a tree topology with a branching structure, and a mesh topology where individual nodes are connected to multiple other nodes. In a ring topology, each node is connected only to the ones on either side, so data flows in a circle. ![]() ![]() In a bus topology, devices are arranged along a line, with data flowing in one direction. A star topology arranges nodes around a central hub. While the topic is thoroughly covered in other articles, it’s worth reiterating the basic topology types. There are a few main types of network topologies, which can apply to both physical and logical network layouts. Topologies describe the layout of elements in a network and the connections between them. The Basics of Physical and Logical Network Topologiesĭiagramming networks accurately relies on understanding the underlying topologies.
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