Protocols Entity Anything capable of sanding or receiving information Protocol is a set of rules that governs data communication Elements of a protocol Syntax(what Semantics(how) Timing(when) CSIE NTUT TANANCSIE, NTUT, TAIWAN 10 Protocols • Entity Anything capable of sanding or receiving information • Protocol is a set of rules that governs data communication • Elements of a protocol – Syntax (what) – Semantics (how) – Timing (when)