Communication Protocols A Practical Overview
Communication Protocols A Practical Overview Communication protocols are the rules that let devices talk to each other. They define how data is formatted, when it is sent, and how mistakes are detected and corrected. Clear protocols reduce surprises and help teams troubleshoot quickly. Most networks use a layered approach. The TCP/IP model is widely used today, with layers for links, internet, transport, and application. The OSI model is a helpful guide, with seven layers that separate concerns. In practice, engineers map real standards to these layers to keep things compatible. ...