Here, in this article, we are going to discuss packet switching and circuit switching
We can define packet switching as a connectionless network. The messages in packet switching are divided and grouped together in the form of packets. After that, each packet is routed from the source to the destination in the form of individual packets. These packets carry the actual data by the payload. It is the responsibility of the destination to put these packets in the right order, when the packet arrives at the destination. This switching can be considered useful as an alternative to circuit switching. In the packet-switched network, data moves in discrete units having variable lengths. Now let us explore more about the advantages and disadvantages of packet switching.
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Advantages and Disadvantages of Packet Switching
Advantages
Disadvantages
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We can define circuit switching as the method of switching used for establishment of a dedicated communication path between the sender and the receiver. The link established between the sender and the receiver is in the physical form. We find the analog telephone network as a well-known example of circuit switching. In this type of switching, bandwidth is fixed. Now let us explore more about the advantages and disadvantages of circuit switching.
Advantages and Disadvantages of Circuit Switching
Advantages
Disadvantages
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We can also define circuit switching as a method of switching that uses a dedicated connection between the sender and the receiver for the transfer of data. There are three phases of circuit switching mentioned below:-
We find the use of circuit switching in telephones.
On the contrary, in the packet switching method, the data is broken into “pieces” or “packets”. It is transmitted individually from the source to the destination. After the packets are received, they are reassembled at the destination. In this method we do not require any pre-establishment of the dedicated route. There are two types of packet switching as mentioned below:-
NCERT Physics Notes :
Now, let us understand the comparison between circuit switching and packet switching with the help of the following table.
S.No | Circuit Switching | Packet Switching |
1. | There are three phases:
| Direct transfer of data takes place. |
2. | In this type of switching a dedicated connection is required. | This type of switching is connectionless. |
3. | The routes of the circuit are fixed. | The routes of the circuit are flexible. |
4. | The processing of the data takes place at the source end. | The processing of the data takes place at both the nodes and the source end. |
5. | It is used for voice communication. | It is used for data transmission. |
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