Communications Protocol

Communications Protocol

A protocol is a system digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications. A protocol may have a formal description. Protocols may include signaling, authentication and error detection and correction capabilities.

A protocol definition defines the syntax, semantics, and synchronization of communication; the specified behavior is typically independent of how it is to be implemented. A protocol can therefore be implemented as hardware or software . Communications protocols have to be agreed upon by the parties involved. To reach agreement a protocol may be developed into a technical standard.

Communicating systems use well-defined formats for exchanging messages. Each message has an exact meaning intended to provoke a defined response of the receiver. A protocol therefore describes the syntax, semantics, and synchronization of communication. A programming language describes the same for computations, so there is a close analogy between protocols and programming languages: protocols are to communications what programming languages are to computations.

Read more about Communications ProtocolCommunicating Systems, Basic Requirements of Protocols, Protocols and Programming Languages, Universal Protocols, Protocol Design, Protocol Development, Taxonomies, Common Types of Protocols

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