Key Concept #1: Protocols A protocol is an agreement on how to communicate Includes syntax and semantics How a communication is specified structured o Format order messages are sent and received What a communication means o Actions taken when transmitting, receiving, or timer expires EXample: making a comment in lecture? 1. Raise your hand 2. Wait to be called on 3. Or: wait for speaker to pause and vocalize 4. If unrecognized (after timeout): say"excuse me6 Key Concept #1: Protocols • A protocol is an agreement on how to communicate • Includes syntax and semantics – How a communication is specified & structured o Format, order messages are sent and received – What a communication means o Actions taken when transmitting, receiving, or timer expires • Example: making a comment in lecture? 1.Raise your hand. 2.Wait to be called on. 3.Or: wait for speaker to pause and vocalize 4.If unrecognized (after timeout): say “excuse me