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Garry Ing
2021-04-24 20:47:03 -04:00
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---
title: Protocol
date_created: 2021-03-28
status: 🌻
---
> A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any kind of variation of a physical quantity. The protocol defines the rules, syntax, semantics and synchronization of communication and possible error recovery methods. Protocols may be implemented by hardware, software, or a combination of both.