Difference between star topology ring topology and bus topology
Answers
DIFFERENCE BETWEEN STAR TOPOLOGY, RING TOPOLOGY AND BUS TOPOLOGY:
STAR TOPOLOGY:
Star topology is an arrangement of the network in which every node is connected to the central hub, switch or a central computer.
The central computer is known as a server, and the peripheral devices attached to the server are known as clients.
Coaxial cable or RJ-45 cables are used to connect the computers.
Hubs or Switches are mainly used as connection devices in a physical star topology.
Star topology is the most popular topology in network implementation.
RING TOPOLOGY:
Ring topology is like a bus topology, but with connected ends.
The node that receives the message from the previous computer will retransmit to the next node.
The data flows in one direction, i.e., it is unidirectional.
The data flows in a single loop continuously known as an endless loop.
It has no terminated ends, i.e., each node is connected to other node and having no termination point.
The data in a ring topology flow in a clockwise direction.
The most common access method of the ring topology is token passing.
Token passing: It is a network access method in which token is passed from one node to another node.
Token: It is a frame that circulates around the network.
BUS TOPOLOGY:
The bus topology is designed in such a way that all the stations are connected through a single cable known as a backbone cable.
Each node is either connected to the backbone cable by drop cable or directly connected to the backbone cable.
When a node wants to send a message over the network, it puts a message over the network. All the stations available in the network will receive the message whether it has been addressed or not.
The bus topology is mainly used in 802.3 (ethernet) and 802.4 standard networks.
The configuration of a bus topology is quite simpler as compared to other topologies.
The backbone cable is considered as a "single lane" through which the message is broadcast to all the stations.
The most common access method of the bus topologies is CSMA (Carrier Sense Multiple Access).
CSMA: It is a media access control used to control the data flow so that data integrity is maintained, i.e., the packets do not get lost. There are two alternative ways of handling the problems that occur when two nodes send the messages simultaneously.
Answer:
Here's the difference between star topology,ring topology, and bus topology:
Explanation:
Star Topology:
A network configuration known as a "star topology" connects each node to a central hub, switch, or computer. The peripheral devices connected to the main computer are referred to as clients, while the server is referred to as the computing device. Computer connections are made using coaxial or RJ-45 wires. In a physical star architecture, hubs or switches are primarily employed as connected devices. The most widely used topology for network implementation is the star topology.
Ring Topology:
The ring topology is comparable to a bus topology but has connected ends. After receiving the message from the previous computer, the node will retransmit to the following node. Data only moves in one way because it is unidirectional. A single loop that continuously receives data is known as an infinite loop. Every node is connected to every other node and lacks a point of termination because it has no terminated ends. The direction of data flow in a ring topology is clockwise. The most popular access method in a ring topology is token passing. Token passing is a method of gaining access to a network that includes moving a token from one node to another. A token is a frame that moves around the network.
Bus Topology:
All of the stations are connected by a single cable known as a backbone cable thanks to the bus topology's design. Either a drop cable or a direct connection to the backbone cable connects each node to it. A node puts a message over the network whenever it wishes to transmit a message. Regardless of whether it has been addressed, the message will reach every station in the network. Most 802.3 (ethernet) and 802.4 standard networks use the bus topology. In comparison to other topologies, the configuration of a bus topology is very straightforward. The message is broadcast to all the stations via the backbone cable, which is referred to as a "single lane." Among bus topologies, CSMA is the most popular access technique (Carrier Sense Multiple Access).
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