A packet-switching network:

Packet-switching is a method of transmitting data over a network in which messages are divided into small packets. These packets are then individually sent across the network and reassembled at the destination. This approach is different from circuit-switching, where a dedicated communication path is established for the entire duration of the transmission.

Advantages of a packet-switching network:

A packet-switching network offers several advantages over other networking approaches, such as:

1. Reduced cost: Packet-switching networks can significantly reduce the cost of using an information utility. This is because they allow multiple users to share the same communication channels, resulting in more efficient use of network resources.

2. Shared channels: In a packet-switching network, communications channels can be shared among more than one user. This means that multiple users can send packets simultaneously over the same channel, increasing the overall network capacity and improving efficiency.

3. Flexibility: Packet-switching networks are highly flexible and can handle various types of data, including voice, video, and text. This versatility makes them suitable for a wide range of applications and allows for efficient transmission of different types of information.

4. Error detection and correction: Packet-switching networks often incorporate error detection and correction mechanisms. Each packet is typically accompanied by checksums or other error detection codes, which allow the receiver to verify the integrity of the data. If errors are detected, the receiver can request retransmission of the affected packets, ensuring reliable data transmission.

5. Scalability: Packet-switching networks can easily accommodate a growing number of users and increasing data traffic. As more users join the network, additional packets can be transmitted simultaneously, providing scalability and adaptability to changing network demands.

6. Efficient use of network resources: Packet-switching networks make efficient use of network resources by dynamically allocating bandwidth to users as needed. This allows for optimal utilization of available resources and prevents underutilization or congestion.

In conclusion, a packet-switching network offers numerous benefits, including reduced cost, shared channels, flexibility, error detection and correction, scalability, and efficient use of network resources. These advantages make packet-switching networks a preferred choice for modern communication systems.