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What is a Protocol? A protocol is a set of rules or standards that dictates how data or information is transmitted, received, and interpreted between devices, systems, or parties. A Protocol Hierarchy is a fixed set of rules and conventions that govern the communication between two or more computers. The hierarchical structure allows for modular design, interoperability, and ease of implementation in computer networks. A set of cooperating network protocols is called a protocol suite. The Transmission Control Protocol/Internet Protocol (TCP/IP) suite, which is typically used in client-server models, includes numerous protocols across layers, such as the data, network, transport and application layers, working together to enable internet connectivity. A protocol is a standard set of rules that allow electronic devices to communicate with each other. These rules include what type of data may be transmitted, what commands are used to send and receive data, and how data transfers are confirmed. You can think of a protocol as a spoken language. Each language has its own rules and vocabulary. If two people share the same language, they can communicate effectively. Similarly, if two hardware devices support the same protocol, they can ...
