Arrangement of nodes or devices within the network is known
as network topology. Network topology can be either logical or physical. In
logical network topology, data transmission is considered while in physical
network topology, how the devices are connected is considered. There are many
types of network topology including:-
In a mesh topology, all the nodes or devices are directly or
partially connected to each other. Mesh topology makes a point-to-point
connection. In older days mesh topology was half-duplex meaning either data is
received or transferred at the time. But in current days mesh topology support
full-duplex meaning data is concurrently transferred and received at the same
time. Mesh topology can be wired or wireless and it can be implemented in LAN
Types of mesh topology
There are two main types of mesh topology including:-
Full mesh topology
In full mesh topology, all the nodes in the network are directly connected to each other. Each of the nodes behaves as a switch or router. The purpose of nodes is to receive and broadcast messages and data to other nodes. If connection is broken between two nodes then there occurs no fault in the network and other nodes can flow data as it is.
The formula for calculating the number of connections in full-mesh topology is n(n-1)
Partial mesh topology
In partial mesh topology, two or more nodes are partially connected to the network. That means all other nodes are directly connected to each other but two or more nodes are connected to some nodes in the network. You can see the diagram below.
In partial mesh topology, all the nodes can still
communicate with each other because all the nodes act as router or switch.
The formula for calculating the number of connections in partial mesh topology is n(n-1)/2
Advantages of mesh topology
Data transfer rate is high:
As all the data from the nodes is transferred simultaneously
so the data transfer rate is high in mesh topology.
New nodes can be added easily:
In a mesh topology, new nodes or devices can be added
easily. In local area network (LAN), additional wires are needed but in wide
area network (WAN), there is no need for wires and new nodes are connected
Fewer failure chances:
If any of node gets a problem then other nodes will still
work and can send/receive data at the same speed.
Low battery needed:
Mesh topology consumes low battery and gives a good
performance. If your device has battery then your battery life will be good
using this topology.
The connection is made fast:
In a mesh topology, connection setup is fast and gives good
Hardware components availability:
Small network components like radios are easily available
and they are also low-cost.
Partial mesh topology is cost-effective:
As there is less hardware used in partial mesh topology due
to fewer connections so it is cost-effective as compared to full mesh topology.
Mesh topology makes a strong connection between nodes or
devices. Each node carries its own data also so it is less dependent than other
All nodes make a more secure network and privacy of data is
stable in this type of topology. As connection between two devices is point-to-point
connection so it is more secure and has fewer chances to be used unauthorized.
Used in concerts and making large
As nodes in mesh topology can retransmit the data so it can
be used to make the network for large amount of people like network connection
in concerts. Mesh topology is also used as making network connection across the
Disadvantages of mesh topology
Full mesh topology is expensive:
As there are more cables and hardware involved in full-mesh
topology so it is expensive type of network connection. In local area network lot
of cables are involved in it and they make the network expensive. Also there
needs lot of input and output slots to be attached to the nodes.
Installation and configuration:
Sometimes it becomes difficult to add new nodes in the
network as new nodes need to be connected to all the other nodes. To make the
connection stable it is required that new nodes have to be configured properly.
As all the nodes can send data independently so it is
chances of duplication of data and sources are not consumed properly.
As each device needs to be connected to every other device
in the network so there is a limit of number of devices to be connected. After specific
limit no more devices can be connected to single device in the network.