Communication Protocols in Modern Networks
Communication Protocols in Modern Networks Protocols are the rules that devices use to talk. They define how messages are addressed, when they are sent, and how receivers confirm delivery. In everyday networks, a mix of transport, internet, and application protocols keeps data moving smoothly. A clear set of rules helps different devices and vendors work together. Most networks today rely on the TCP/IP model. This model stacks layers from lowest to highest: link, internet, transport, and application. Each layer relies on the one below and offers services to the layer above. This structure makes it easier to design new features without breaking older ones. ...