Star Topology

Star Topology

Star Topology

Star topologies is very different from thebus topology orring topology that hard in improving its network. star topologies is better than the both of topologies earlier.

Star topology is centralized and likened topologies similiar to the star. In astar topology, all the cables from computers connected to a central location, where everything is connected to a device called hub.

Star topology is used in dense networks, while endpoint can be reached directly from a central location, the need for network expansion, and requires high reliability. This topology is the arrangement that using more cable than bus and because of all the computers and devices connected to a central point. So if there is one computer or device that is corrupt, the other will not affect the network.

How Star Network Work?

Every computer in star network to communicate with central hub that sends back messages to all computers (in a broadcast star network) or only to the destination computer (in switched star network). Hub of a broadcast star network can be active or passive. Active hub renew the electrical signal that is received and sends it to all computers connected to the hub. Hub types are often also called multiport repeater. If we use the hub has 32 ports, ifall ports filled, then the collision will often occur that would result in decreased of network performance. To avoid this we can use a switch that has the ability to define an destination data. Active hub and switch requires power to run it. Pasisive hubs, like wiring panels or punch-down block, only serves as a connection point (connection point) and did not renew the reinforcement signal or signals. Passive hubs do not requires electricity to run it.

Tobuild anetworkusingthistopologies,yourequiresa higher costthanbusorringtopologiesbecause itrequiresmorewirestoconnect eachcomputerto ahubor switch.however,this topologyis veryeasy to fixifproblems occuronthe network.Thistopologiesis usedalmostin everyoffice,school,andinternet cafe.

This article is a bit of knowledge I have. hopefully be usefulto readers. and this article originated from 4climategate.info

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