Packet switching breaks data into packets for efficient transmission from "summary" of Data Communications and Networking by Behrouz A. Forouzan
Packet switching is a fundamental concept in data communications that allows for the efficient transmission of data across networks. By breaking data into smaller packets, this method enables better utilization of network resources and faster delivery of information to its destination. When data is transmitted over a network using packet switching, it is divided into small, manageable units called packets. Each packet contains a portion of the original data, along with additional information such as the destination address and sequence number. These packets are then sent across the network individually, using the most efficient route available. One of the key advantages of packet switching is that it allows for the parallel transmission of multiple packets over the network. This means that different packets belonging to the same data transmission can take different paths to reach their destination, optimizing the use of network resources and minimizing delays. Furthermore, packet switching also allows for dynamic routing, where packets can be rerouted in real-time to avoid congested or faulty network segments. This flexibility in routing ensures that data can reach its destination even in the presence of network failures or bottlenecks. By breaking data into packets and transmitting them efficiently over the network, packet switching has become the foundation of modern data communications. It enables the seamless transfer of information across vast distances and has revolutionized the way we communicate and share data in today's interconnected world.
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