Logical topology

Logical topology is the arrangement of devices on a computer network and how they communicate with one another.[1] Logical topologies describe how signals act on the network.[2]

For broader coverage of this topic, see Network topology.

In contrast, a physical topology defines how nodes in a network are physically linked and includes aspects such as geographic location of nodes and physical distances between nodes. The logical topology defines how nodes in a network communicate across its physical topology. The logical topology can be considered isomorphic to the physical topology, as vice versa.

Examples

Early twisted pair Ethernet with a single hub is a logical bus topology with a physical star topology. While Token Ring is a logical ring topology with a physical star topology.

References
  1. Leonardi, E.; Mellia, M.; Marsan, M. A. (2000). "Algorithms for the Logical Topology Design in WDM All-Optical Networks". Optical Networks Magazine: 35–46.
  2. What Are Network Topologies?, retrieved 2016-09-17


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.