Bus topology is a specific kind of network topology in which all of the various devices in the network are connected to a single cable or line. In general, the term refers to how various devices are set up in a network. One way to think about a bus topology is that the line connected to all of the devices or nodes in the network is like an aisle along which a signal travels in order to find the node to which it is to be delivered.
Typically, the cable in the bus topology has two end terminals that dampen the signal so that it does not keep moving from one end of the network to the other. Different types of bus topology can be referred to as linear or distributed bus topology.
A linear bus topology implies that there is just one line associated with two distinct endpoints.
In a distributed bus topology, there may be more than one linear pattern connected to the network. Bus topologies are often valued for their simplicity and lower cost of implementation. However, one drawback is that if the central line is compromised, the entire network will go down. Also, it can be difficult to troubleshoot these kinds of systems, and problems like data signal loss can occur with a longer linear cable.
Toggle navigation Menu. Bus Topology Last Updated: April 8, Definition - What does Bus Topology mean? Techopedia explains Bus Topology One way to think about a bus topology is that the line connected to all of the devices or nodes in the network is like an aisle along which a signal travels in order to find the node to which it is to be delivered. Share this:. Related Terms. Related Articles. Virtual Networking: What's All the Hype?
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The original The network was in the form of a physical bus topology, as illustrated in Figure B All devices connected to the cable, and communicated over a single, shared channel on a shared electrical circuit.
Each coaxial cable segment was limited to meters due to issues of signal attenuation at the relatively high carrier frequency. Ethernet segments could connect through bridges, which function as signal repeaters. The total route length of the entire Ethernet was limited to 2.
Subsequently, the 10Base-T specification allowed workstations and peripheral devices to interconnect through a hub, with each device connecting directly to a hub port over unshielded twisted pair UTP. The physical topology is that of a star, but the logical topology is that of a bus. That is to say that, although the devices connect to the hub over circuits that emanate from the hub like the rays of a star, they interconnect through a collapsed bus housed within the hub.
A tree topology is a variation on the bus theme, with multiple branches off the trunk of the central bus.
English Wiktionary. Link to this page. MLA Style "Bus-topology. In YourDictionary. All rights reserved. Home Dictionary Definitions bus-topology. Also Mentioned In. Join YourDictionary today.Types of Network Topologies with Examples.
ComputerNetworking. There are mainly six types of Network Topologies which are explained below. Network Topology examples are also given below. Network Topology Types and Examples. The main types of topology are. Bus Topology. Ring Topology. Star Topology.
Mesh Topology. TREE Topology. Hybrid Topology. It is the simplest network topology among all topologies. In this topology, all computers and networking devices are connected to a single Backbone Cable. In the below figure you can see the diagram of Bus Topology.
In a bus topology, data can flow in one direction only. Bust topology is the most cost-effective topology than other topologies because of less cable required, and simple and easy installation, administration. Example of Bus Topology. The 10BASE-2 network is an example of bus topology which is used in earlier days.
Nowadays the bus topology is not used. In the Ring Topology, all the computers and networking devices are connected in a circular path or closed loop. The last end of the network is connected to the first end.Skip to content.
What is Bus topology? Bus Topology is the simplest of network topologies. In this type of topology, all the nodes computers as well as servers are connected to the single cable called busby the help of interface connectors.
This central cable is the backbone of the network and is known as Bus thus the name. Every workstation communicates with the other device through this Bus. A signal from the source is broadcasted and it travels to all workstations connected to bus cable. Although the message is broadcasted but only the intended recipient, whose MAC address or IP address matches, accepts it.
A terminator is added at ends of the central cable, to prevent bouncing of signals. A barrel connector can be used to extend it. Good for LAN. If the main cable i. Use of terminators is must. Newer Post Older Post Home. Anonymous October 1, at AM. Anonymous October 11, at PM. Anonymous October 16, at AM. Anonymous October 25, at PM.
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Subscribe to our mailing list. Based on a work at www. Most Famous Advertising Slogans of all times 85 times Mailed.In this type of topology, all the nodes computers as well as servers are connected to the single cable called busby the help of interface connectors. This central cable is the backbone of the network and is known as Bus thus the name.
Every workstation communicates with the other device through this Bus. A signal from the source is broadcasted and it travels to all workstations connected to bus cable.
Although the message is broadcasted but only the intended recipient, whose MAC address or IP address matches, accepts it. A terminator is added at ends of the central cable, to prevent bouncing of signals.
A barrel connector can be used to extend it. Below I have given a basic diagram of a bus topology and then have discussed advantages and disadvantages of Bus Network Topology.
Good for LAN. If the main cable i. Use of terminators is must. I write tutorials based on my work experience and other IT stuff I find interesting. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. How to factory reset Win Create a new user accoun Windows Server with No Comments Jun 30, No Comments Jan 18, No Comments May 13, Add a Comment Cancel reply Your email address will not be published.When we connect two network nodes end-to-end, it forms a point-to-point topology.
For example, if I am the network administrator of the network of my institution and while troubleshooting I connect my laptop to a wireless router, this will form a case of Point-to-point topology.
This also implies that if either node in the coupling gets down, my Point-to-point topology also gets down. In a network, when all the nodes are connected by a single physical cable and the central cable becomes the backbone of the network then, it is called as a Bus topology. For illustration, remember the old fashioned computer labs.
There, a common copper wire used to run across the lab and all the computers were tapped to the wire. So, the wire formed the backbone of the network while computers formed different nodes of the topology.
In a bus topology, when a data is sent from one to another through the central cable, the data travels in the form of a packet.
The data packet contains the address of the destination machine. Alex wants to send a message to Christina. So when a data packet is sent from Alex to Christina, that means from machine A to machine C, at first, machine B owned by Bob, checks the destination address inside the packet.
Since the packet was not meant for Bob, it is forwarded on and reaches Christina. Machine C owned by Christina matches the address of the packet with its own machine address and bingo! But there is a glitch. Now Bob, who owns the machine B, is jealous of Alex and Christina and he decides to read the message. This is called spoofing. However, we will talk about spoofing later in this series. We will talk about different kinds of more topologies one by one in the next article.
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Password recovery.The way in which devices are interconnected to form a network is called network topology. So cable lengths, distance between nodes, location of servers, etc. Failure of one node or a segment of cabling should not render the whole network useless.
Data network with bus topology has a linear transmission cableusually coaxialto which many network devices and workstations are attached along the length.
Server is at one end of the bus. When a workstation has to send data, it transmits packets with destination address in its header along the bus.
The data travels in both the directions along the bus. When the destination terminal sees the data, it copies it to the local disk. In ring topology each terminal is connected to exactly two nodesgiving the network a circular shape. Data travels in only one pre-determined direction. When a terminal has to send data, it transmits it to the neighboring node which transmits it to the next one. Before further transmission data may be amplified.
In this way, data raverses the network and reaches the destination node, which removes it from the network. If the data reaches the sender, it removes the data and resends it later. Troubleshooting is difficult as many nodes may have to be inspected before faulty one is identified.
In star topology, server is connected to each node individually. Server is also called the central node. Any exchange of data between two nodes must take place through the server.
It is the most popular topology for information and voice networks as central node can process data received from source node before sending it to the destination node.
Tree topology has a group of star networks connected to a linear bus backbone cable. It incorporates features of both star and bus topologies. Tree topology is also called hierarchical topology.