Network Topology and their types

2. Physical Topologies Logical Topologies
Network Topologies
What is Network Topology?
Network topology is the arrangement of the elements
(links, nodes, etc.) of a communication network.
Types of Network Topology :-
There are two types of Network Topologies as below:

3. Ring Topology
Star Topology
Bus Topology
Mesh Topology
Hybrid Topology
Types of Physical Topologies

4. Ring Topology
Advantages of Ring Topology :-
When the load on the network increases,
its performance is better than bus topology.
There is no need of network server to
control the connectivity between
workstations.
Disadvantages of Ring Topology :-
Aggregate network bandwidth is
bottlenecked by the weakest link between
two nodes.

5. Star Topology
Advantages of star topology :-
Easy to add another computer to the network
If one computer on the network fails, the rest of
the network continues to function normally.
Disadvantages of star topology :-
May have a higher cost to implement, especially
when using a switch or router as the central
network device.
If the central computer, hub, or switch fails, the
entire network goes down and all computers are
disconnected from the network.

6. Bus Topology
Advantages of Bus topology :-
•It works well when you have a small network.
• It requires less cable length than a star topology.
Disadvantages of Bus topology :-
•It can be difficult to identify the problems if the whole network goes down.
•It can be hard to troubleshoot individual device issues.
•Bus topology is not great for large networks.

7. Mesh Topology
Fully Connected
Network
Partially
Connected Network

8. Advantages of a Mesh Topology :-
•Manages high amounts of traffic, because multiple devices can transmit
data simultaneously.
•A failure of one device does not cause a break in the network or
transmission of data.
•Adding additional devices does not disrupt data transmission between
other devices.
Disadvantages of a Mesh Topology :-
•The cost to implement is higher than other network topologies, making it a
less desirable option.
•Building and maintaining the topology is difficult and time consuming.
•The chance of redundant connections is high, which adds to the high costs
and potential for reduced efficiency.

9. Hybrid Topology
Advantages of the Hybrid Topology:
•One of the key advantages of this topology is its
flexibility.
•It is more effective than other topologies.
•It is more scalable.

10. Disadvantages of Hybrid Topology :-
•Complexity: Due to the fact that different topologies
connect in a hybrid topology, managing the topology gets
challenging..
•Its not easy to design this type of architecture and its a
difficult job for designers.
•The network hubs needed for hybrid topology networking
are costly to purchase and maintain.
•As hybrid architectures are usually larger in scale, they may
require a lot of cables, advanced network devices, etc.

11. Applications / Use of Network Topology :-
•Supercomputer(Star Topology).
•Computers lab.
•Network Communication.