What is a protocol? · From dictionary: 一 A general definition: the accepted or established code of procedure or behavior in any group organization, or situation -For computing set of rules governing the exchange or transmission of data electronically between devices4 What is a protocol? • From dictionary: —A general definition: the accepted or established code of procedure or behavior in any group, organization, or situation —For computing: set of rules governing the exchange or transmission of data electronically between devices