What is a network protocol?

A network protocol functions as a standardized set of rules that dictate how data is formatted, transmitted, and received over a network. This encompasses various aspects, such as error checking, data compression, and the method of acknowledging the receipt of data. By establishing these rules, network protocols ensure that devices from different manufacturers can communicate effectively, facilitating interoperability and a reliable exchange of information.

Protocols like TCP/IP, HTTP, and FTP are examples that serve specific purposes in the realm of networking, such as establishing connections, transferring files, or enabling web pages to load. Each protocol addresses particular communication needs and provides a framework that supports the seamless flow of data within and across networks.

Understanding network protocols is crucial for anyone involved in network design, administration, or security, as they are fundamental to network functionality.