Protocol may refer to:

Sociology and politics

Protocol (politics) Protocol originally (in Late Middle English, c. 15th century) meant the minutes or logbook taken at a meeting, upon which an agreement was based. The term now commonly refers to an agreement resulting from a meeting, or more generally to any estab ...

, a formal agreement between nation states *

Protocol (diplomacy) In international politics, protocol is the etiquette of diplomacy and affairs of state. It may also refer to an international agreement that supplements or amends a treaty. A protocol is a rule which describes how an activity should be perfor ...

, the etiquette of diplomacy and affairs of state *

Etiquette Etiquette ( /ˈɛtikɛt, -kɪt/) can be defined as a set of norms of personal behavior in polite society, usually occurring in the form of an ethical code of the expected and accepted social behaviors that accord with the conventions and ...

, a code of personal behavior

Science and technology

Protocol (science) In natural and social science research, a protocol is most commonly a predefined procedural method in the design and implementation of an experiment. Protocols are written whenever it is desirable to standardize a laboratory method to ensure suc ...

, a predefined written procedural method of conducting experiments *

Medical protocol (disambiguation) Medical protocol may refer to: * Medical guideline, for a medical treatment ** Medical protocol, a set of rules followed by an emergency medical technician An emergency medical technician (often, more simply, EMT) is a medical professional th ...

Computing

Protocol (object-oriented programming) In object-oriented programming, an interface or protocol type is a data type that acts as an abstraction of a class. It describes a set of method signatures, the implementations of which may be provided by multiple classes that are otherwise not n ...

, a common means for unrelated objects to communicate with each other (sometimes also called ''interfaces'') *

Communication protocol A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any variation of a physical quantity. The protocol defines the rules, syntax, semantics (computer science), sem ...

, a defined set of rules and regulations that determine how data is transmitted in telecommunications and computer networking *

Cryptographic protocol A cryptographic protocol is an abstract or concrete Communications protocol, protocol that performs a information security, security-related function and applies cryptographic methods, often as sequences of cryptographic primitives. A protocol desc ...

, a protocol for encrypting data

Music

* ''Protocol'' (album), by Simon Phillips *

Protocol (band) Protocol were a British pop group, who were formed in 2005. They were produced by Mike Peden. They consisted of: * John Pritchard, lead vocals * James McMaster, guitar * Steven Oates, bass * David Malik, keyboards/synthesizers * Dominic Jose ...

, a British band * "Protocol", a song by Gordon Lightfoot from the album ''

Summertime Dream ''Summertime Dream'' is Canadian singer Gordon Lightfoot's eleventh studio album, released on the Reprise Records label in 1976. It peaked at #1 on the Canadian '' RPM'' national album chart, and #12 on the US ''Billboard'' pop chart. The album ...

'' * "Protocol", a song by the Vamps from their 2020 album ''

Cherry Blossom The cherry blossom, or sakura, is the flower of trees in ''Prunus'' subgenus '' Cerasus''. ''Sakura'' usually refers to flowers of ornamental cherry trees, such as cultivars of ''Prunus serrulata'', not trees grown for their fruit (although ...

Other uses

* ''Protocol'' (film), a 1984 comedy film * ''Protocol'' (website), a tech news website *

Minutes Minutes, also known as minutes of meeting, protocols or, informally, notes, are the instant written record of a meeting or hearing. They typically describe the events of the meeting and may include a list of attendees, a statement of the activit ...

, also known as protocols, the written record of a meeting

Sociology and politics

Science and technology

Computing

Music

Other uses

See also