Network Topologies

A network topology is the arrangement of computers, cables, and other components on a network. It is a map of the physical network. The type of topology you use affects the type and capabilities of the network's hardware, its management, and possibilities for future expansion.

Topology is both physical and logical;

•     Physical topology describes how the physical components on a network are connected.
•     Logical topology describes the way network data flows through the physical components.

There are five basic topologies:

•      Bus. Computers are connected to a common, shared cable
•      Star. Computers are connected to cable segments that branch out from a central location, or hub.
•     Ring. Computers are connected to a cable that forms a loop around a central location,
•       Mesh. Computers on the network are connected to every other computer by cable.
•      Hybrid. Two or more topologies are used together.