The Internet has chosen the datagram approach to switching at the network layer."Explain the reason for this.
Question
The Internet has chosen the datagram approach to switching at the network layer."Explain the reason for this.
Solution
The Internet has chosen the datagram approach to switching at the network layer because it offers several advantages.
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Flexibility: The datagram approach allows for flexible routing of packets. Each packet is treated independently and can take different paths to reach its destination. This flexibility is crucial in a dynamic network where routes can change frequently.
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Scalability: The datagram approach is highly scalable as it does not require any centralized control or coordination. Each packet contains all the necessary information for routing, making it easy to add or remove network nodes without disrupting the overall network operation.
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Fault tolerance: With the datagram approach, if a network node or link fails, packets can be rerouted through alternative paths. This fault tolerance ensures that data can still be delivered even in the presence of failures, improving the overall reliability of the network.
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Quality of Service (QoS): The datagram approach allows for the implementation of different QoS mechanisms. By assigning different priorities or service levels to packets, the network can prioritize certain types of traffic, such as real-time video or voice, over others, ensuring a better user experience.
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Compatibility: The datagram approach is compatible with various network protocols and technologies. It can be used with both connection-oriented and connectionless protocols, making it a versatile choice for different types of networks.
Overall, the datagram approach provides a flexible, scalable, fault-tolerant, and QoS-enabled solution for switching at the network layer, which aligns well with the requirements of the Internet.
Similar Questions
For which three reasons was a packet-switched connectionless data communications technology used when developing the Internet? (Choose three.)Group of answer choicesIt can rapidly adapt to the loss of data transmission facilities.It efficiently utilizes the network infrastructure to transfer data.Data packets can travel multiple paths through the network simultaneously.It allows for billing of network use by the amount of time a connection is established.It requires that a data circuit between the source and destination be established before data can be transferred.
The Internet’s layer routes a datagram through a series of routers between the source and destination.
Which of the following is not one of the basic technological foundations of the Internet?Group of answer choicesFTPclient/server computingTCP/IPpacket switching
1.3-2 Packet switching versus circuit switching (1). Which of the characteristics below are associated with the technique of packet switching? Select all correct answers. [Hint: more than one of the answers is correct].Group of answer choicesThis technique is used in the Internet.Resources are used on demand, not reserved in advance.Reserves resources needed for a call from source to destination.Data may be queued before being transmitted due to other user’s data that’s also queueing for transmission.Frequency Division Multiplexing (FDM) and Time Division Multiplexing (TDM) are two approaches for implementing this technique.This technique was the basis for the telephone call switching during the 20th century and into the beginning of this current century.Congestion loss and variable end-end delays are possible with this technique.
2. What is internetworking? Explain its service model, global address and datagram in detail.
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