Internet Core Technology Explained
The Internet fundamentally relies on a specific data transmission method to function efficiently and reliably.
Understanding Packet Switching
The technology that powers the Internet is packet switching. In this method, data is divided into small units called packets.
- Each packet contains a portion of the data, plus addressing information (like source and destination).
- Packets are sent independently across the network.
- Network devices (routers) direct each packet towards its destination along the best available path.
- Packets may take different routes and arrive out of order.
- The receiving device reassembles the packets in the correct sequence to reconstruct the original data.
Why Packet Switching is Key
Packet switching is preferred over alternatives like circuit switching because it allows multiple users to share the same network infrastructure efficiently. Unlike circuit switching, where a dedicated line is held open for the entire communication (like traditional phone calls), packet switching only uses network resources when there are packets to send. This makes it ideal for the bursty nature of Internet traffic.
- Telex switching is an older, character-by-character system.
- Telephone switching typically uses circuit switching for voice calls.
- Circuit switching establishes a dedicated physical path, which is inefficient for diverse Internet data.
Therefore, packet switching is the core technology enabling the Internet.
Similar Questions
- In a LAN setup, which of the following statements is true?
- Which of the following is the system designed to prevent unauthorised access to or from a private network?
- The technology that provides high internet speed over telephone wiring is called:
- What does FQDN stands for?
- A network of computers and other devices that are confined to a relatively small space is called:
- Which of the following is an advantage of LAN?
- WAN in the context of computers and networking stands for:
- A shared network within an organisation to provide connectivity to its staff is:
- The device or programme that enables a computer to transmit data over telephones and cable lines is called:
- In which of the following network topologies do the connected components make a closed loop?
Important Questions from Networking
In Gmail, what do you use when you receive a mail and want to send the mail in response of the same mail and to the original sender only?
- _______ are rules that exist at several levels in a telecommunication connection.
_______ is a type of dedicated file storage device that provides local-area network (LAN) users with centralized, consolidated disk storage through a standard Ethernet connection.
_______ is also known as protocol convertor.
Which of the following Internet protocol specifies how data is exchanged over the Internet and how it should be broken into IP packets?
