Communication Protocol

1. Formal descriptions of digital message formats and rules

2. Properties addressed

2.1. Rules defining data transmissions are called "protocols."

2.1.1. Packet size. Transmission speed. Error correction types. Handshaking and synchronization techniques. Address mapping. Acknowledgment processes. Flow control. Packet sequence controls. Routing. Address formatting.

3. are important in

3.1. They create consistency and universality for the sending and receiving of messages.

4. can cover authentication

4.1. Authentication, error detection and correction, and signaling

5. are implemented

5.1. hardware and software.