protocol

n 1: (computer science) rules determining the format and

transmission of data [syn: {communications protocol}]

2: forms of ceremony and etiquette observed by diplomats and

heads of state

3: code of correct conduct: "safety protocols"; "academic

protocol"

protocol

A set of formal rules describing how to transmit data,

especially across a {network}. Low level protocols define the

electrical and physical standards to be observed, bit- and

byte-ordering and the transmission and {error detection and

correction} of the bit stream. High level protocols deal with

the data formatting, including the {syntax} of messages, the

terminal to computer dialogue, {character set}s, sequencing of

messages etc.

Many protocols are defined by {RFC}s or by {OSI}.

See also {handshaking}.

[{Jargon File}]

(1995-01-12)