The arrangement of a network that consists of nodes and connecting lines via sender and receiver is referred to as network topology. The various network topologies are:
1.Bus Topology
Bus topology is also known as line topology. It is a type of network topology in which all devices in the network are connected by one central network cable or coaxial cable.
Advantages of Bus Topology :
1.Works efficiently for small networks
2.Doesn’t require as much cabling as alternative topologies
3.Easy and cost-effective to install and add or remove devices
Disadvantages of Bus Topology :
1.If the cable is damaged, the entire network will fail or be split
2.Difficult to troubleshoot problems
3.Very slow and not ideal for larger networks
2. Star Topology
Star topology is a network in which each network component is physically connected to a central node such as a router, hub or switch.
Advantages :
1. If one cable or device fails then all the others will continue to work.
2. It is high-performing as no data collisions can occur.
Disadvantages :
1. It is very expensive to install this network because this requires more cables.
2. Extra Hardware is also required to which adds to cost.
3. If hub or switches fail, the entire network fail.
3. Ring Topology
It is the network is which each node connects to two node and continuously in form of ring. Ring is a unidirectional. Because a unidirectional ring topology gives only one pathway between any two nodes, unidirectional ring networks may be disrupted by the failure of a single link.
Advantages :
1. In this data flow in one direction which reduces the data collision
2. It is cheap to install.
3. Collision is minimum
Disadvantages :
1. Due to unidirectional, data is transferred to all nodes.
2. It is expensive.
3. The total depends on a one cable.
4. Mesh Topology
It is the network in which each node is connected to every node. The cables can be calculated by n(n-1)/2.
Advantages :
1. It provides high security and privacy.
2. Failure of a single device won't break the network.
3. A mesh doesn’t have a centralized authority.
Disadvantages :
1. It is costly.
2. Installation is extremely difficult in mesh.
3. It is a high risk of redundant connection.
5. Hybrid Topology
It is the network in which all the bus, star and ring Topology is used.
Advantages:
1. It is extremely flexible.
2. It handles large number of traffic.
3. Error detection and troubleshooting is easy to handle.
Disadvantages :
1. The network is expensive.
2. Installation is very difficult.
3. There is change in hardware in order to connect topology with another topology.
