What is Topologies ? Types of topologies

What is topology ?

Topology define the structure of network of how all the components are interconnected to each other. There are Six type of topology/-

1 )Bus Topology :- The Bus is assigned in a such a way that all the stations are connected through a single cable known a backbone cable. Each note is either connected to the backbone cable by drop cable or directly connected to the backbone cable. When a mode want 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.

2) Ring Topology :- Ring topology is like a bus topology but with connected ends.

• The nods that receive the message from the previous computer will retransit to the net mode.
• The data flows in one direction i.e. it is undirectional.
• 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 terminated point.
• The data in a ring topology flow in a clockwise direction.

3)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.

4)Tree topology :- Tree topology combines the characteristics of bus topology ans star topology.

• A tree topology is a type of structure in which all computers are connected with each other in hierachical fashion.
• The top most node in tree topology is known as a root node and all other nodes are the descendants of the root node.
• There is only one path exists b/w two nodes for the data transmission. Thus, it form a parent chld hierarchy.

5) Mesh Topology :- Mesh topology is an arrangement of the network in which computers are interconnected with each other through various redundant connections.

• There are multiple paths from one computer to another computer .
• It doesn't contain the switch hub or any centarl computer which acts as a internal point of computer.
• The internet is an example of the mesh topology.
• Mesh topology is mainly used for WAN implementation where communication failure are are critical concern.

6) Hybrid Topology :-The combination of various different topology is known as hybrid topology.

• A hybrid topology is a connection b/w different links and nodes to transfer the data.
• When two or more different topologies are combined together is termed as hybrid topology similar topology are connected with each other will not result in hybrid topology. for ex- if there exit a ring topology in one branch of ICICI bank connecting there two topologies will result in hybrid topology.