The concept of Star Topology, each device or the connection of these devices with the central Node can be seen as an Star. This is why it is referred to as star topology.
When Nodes or Computers wish to talk with one another in a way, they send messages via Central Server, Central Server ie Hub and Hub relays the message to all Nodes and Computers.
Definition of the star topology
Star Topology is the most popular network used for Lan. It was initially adopted by Ethernet after it was introduced by ARCNET.
What is star topology?
Unshielded Twisted Pair (UTP) is a kind of Ethernet cabling that connects devices to hubs. Coaxial cable and optical fiber may also be targeted.
Star topology can be built by using Cable Structure, Wireless Router, Ethernet or other components.
In this configuration it is the case that all devices or computers aren't connected, but are instead linked to an underlying hub. The central network acts as an server, while other devices are called clients.
When a computer transmits information to other computers on the network. It is then transferred via through the network cable, to an Central Hub or Switch, then it decides on which port it should be sent to in order for it to be sent to the appropriate destination.
Examples of star topology
Star topologies are typically employed in large companies like educational institutions as well as in businesses where speed and efficiency are required.
It can also be used in homes networks. Particularly those that are wireless. In these networks, wireless access points Wireless Access Point (WAP) offers the central connection to every node.
Also Read,
- What is Topology
- What is Ring topology
- What is Star topology
- What is Hybrid Topology
- What is Bus topology
- What is Tree Topology
- What is Meshtopology
What is the role of star topology?
For instance If a computer wishes to transfer information to another computer, that computer will transmit this information back to the hub then the Hub will check for the IP address on the machine on where the message needs to be sent and forwards the message to the computer.
Hub is not equipped with any memory on its own, therefore when data is sent to the first computer The Hub must discover via other ports and computers which address is of the computer.
The full name of this procedure refers to Address Resolution Protocol (ARP).
This can be understood by this means that Hub can determine the correct address of the recipient Computer, and then send the information to it , and then transfer the information to the location in which it needs to be transferred.
Star Topology Active or Passive Networks
Based on the information provided below, the most popular topology can be described as Active Network or Passive Network.
In the event that it is the case, the Network Central Node does the process of data expansion , or correction.
If electrical power sources are required, electrical power sources.
The network actively monitors the data transfer.
The advantages of Star Topology
We will discuss further the advantages of the use of Star Topology.
Nodes are added to the network joining the switches.
In this manner, new machines or computers could be added and taken away without affecting the whole network.
If one device or cable is damaged, all the devices work.
It's also cheaper.
The issue is simple to spot since the link is easily located within it.
It is a topology with high-performance since it doesn't have data conflicts.
Many different types of machines may also be part of Star Network, that is an extensive network could be built by it.
In thiscase, the message is then sent to the device you want it to in order to create the highest-performance network.
It is secure in the event of a Cyber Attack.
Advantages and disadvantages of Star Topology
Although it has its merits but it also has its disadvantages. We'll discuss the drawbacks of star topology.
Wired Star Topology requires more cables. Because of this, it can be expensive for large networks.
If the switch is damaged the whole network is affected since no nodes can connect within it.
Hub needs more resources and maintenance since it is the main network that runs Star Topology.
It requires additional hardware (Hub as well as Switch)
Are the topologies of star stars secure?
Remote branches within Star Topology communicate with the central site or headquarters in a safe manner. However, these branches are not permitted Intercommunication.
It is vital that, if the central website is damaged, all connections will be destroyed since this central location plays a vital role in the star topology.
What is the definition of the star topology?
For Star Topology, the devices are connected to a central network , but without interconnection. They create the appearance of the shape of a star.
Where does this topology get its use?
This type of topology is typically used in large companies.
How do star topology works?
The computer is the first to send any details directly to Hub. Hub determines the address of the computer and then sends messages to the computer. Central Network (Hub) works to transmit information to all of these devices.