Networking protocols facilitate communication between computers from "summary" of Code by Charles Petzold
Networking protocols are like languages that computers use to communicate with each other. Just as humans use spoken and written languages to convey ideas and information, computers rely on networking protocols to exchange data. These protocols serve as a set of rules and conventions that dictate how information is formatted, transmitted, and received across a network. When two computers need to communicate with each other, they must both adhere to the same networking protocol. This ensures that they can understand each other's messages and successfully exchange data. Without a common protocol to guide their interactions, computers would struggle to establish connections and transmit information effectively. One of the key functions of networking protocols is to define how data packets are structured and interpreted. Data is broken down into smaller packets for transmission across a network, and these packets contain information such as the sender's address, the recipient's address, and the actual data being sent....
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