Communication Protocols: TCP UDP HTTP and More

Communication Protocols: TCP UDP HTTP and More Protocols are the rules that let devices talk across networks. They sit between software and the network, shaping how data moves and how mistakes are handled. In practice, TCP, UDP and HTTP illustrate core ideas: reliable delivery, speed, and easy access to web services. TCP is connection-oriented and reliable. It starts with a handshake to establish a path, then ensures data arrives in order with acknowledgments. If a packet is lost, TCP retransmits. This makes it ideal for file transfers, email, and loading web pages where accuracy matters, even on imperfect networks. The trade-off is extra overhead and some delay. ...

September 21, 2025 · 2 min · 378 words