About: OSI protocols

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The Open Systems Interconnection protocols are a family of information exchange standards developed jointly by the ISO and the ITU-T. The standardization process began in 1977. While the seven-layer OSI model is often used as a reference for teaching and documentation, the protocols originally conceived for the model did not gain popularity, and only X.400, X.500, and IS-IS have achieved lasting impact. The goal of an open-standard protocol suite instead has been met by the Internet protocol suite, maintained by the Internet Engineering Task Force (IETF).

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  • The Open Systems Interconnection protocols are a family of information exchange standards developed jointly by the ISO and the ITU-T. The standardization process began in 1977. While the seven-layer OSI model is often used as a reference for teaching and documentation, the protocols originally conceived for the model did not gain popularity, and only X.400, X.500, and IS-IS have achieved lasting impact. The goal of an open-standard protocol suite instead has been met by the Internet protocol suite, maintained by the Internet Engineering Task Force (IETF). (en)
  • O Open Systems Interconnection (OSI) protocols são uma família de padrões de troca de informações desenvolvido conjuntamente pela ISO e o ITU-T a partir de 1977. O Modelo OSI descreve as sete camadas de interconexão: a Camada física (Layer 1), Camada de enlace (Layer 2), Camada de rede (Layer 3), Camada de transporte (Layer 4), Camada de sessão (Layer 5), Camada de apresentação (Layer 6), e a Camada de aplicação (Layer 7). Hoje em dia, este protocol/model é apenas uma história. A teoria pode parecer boa, mas falhou na implementação. Tanto o modelo quanto os protocolos são realmente defeituosos. também disseram que a escolha de sete camadas foi mais política do que técnica, e duas das camadas (sessão e apresentação) estão quase vazias, enquanto outras duas (link de dados e rede) estão superlotadas. A maioria dos protocolos de rede usados no mercado hoje são baseados em TCP/IP stacks. (pt)
  • 开放系统互连协议(Open Systems Interconnection protocols,OSI protocols)是由國際標準化組織和國際電信聯盟電信標準化部門于1977年開始联合制定的一系列信息交换标准(網絡傳輸協議),作為實現OSI模型的網絡傳輸協議。但是为OSI模型设想的網絡傳輸協議OSI协议并没有得到普及,只有、X.500和IS-IS有持久的影响。七层OSI模型倒是经常被用作教学和文档参考。不過开放系统互连协议的目标最終由互联网工程任务组(IETF)维护的TCP/IP协议族成功实现。 (zh)
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  • The Open Systems Interconnection protocols are a family of information exchange standards developed jointly by the ISO and the ITU-T. The standardization process began in 1977. While the seven-layer OSI model is often used as a reference for teaching and documentation, the protocols originally conceived for the model did not gain popularity, and only X.400, X.500, and IS-IS have achieved lasting impact. The goal of an open-standard protocol suite instead has been met by the Internet protocol suite, maintained by the Internet Engineering Task Force (IETF). (en)
  • 开放系统互连协议(Open Systems Interconnection protocols,OSI protocols)是由國際標準化組織和國際電信聯盟電信標準化部門于1977年開始联合制定的一系列信息交换标准(網絡傳輸協議),作為實現OSI模型的網絡傳輸協議。但是为OSI模型设想的網絡傳輸協議OSI协议并没有得到普及,只有、X.500和IS-IS有持久的影响。七层OSI模型倒是经常被用作教学和文档参考。不過开放系统互连协议的目标最終由互联网工程任务组(IETF)维护的TCP/IP协议族成功实现。 (zh)
  • O Open Systems Interconnection (OSI) protocols são uma família de padrões de troca de informações desenvolvido conjuntamente pela ISO e o ITU-T a partir de 1977. O Modelo OSI descreve as sete camadas de interconexão: a Camada física (Layer 1), Camada de enlace (Layer 2), Camada de rede (Layer 3), Camada de transporte (Layer 4), Camada de sessão (Layer 5), Camada de apresentação (Layer 6), e a Camada de aplicação (Layer 7). A maioria dos protocolos de rede usados no mercado hoje são baseados em TCP/IP stacks. (pt)
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  • OSI protocols (en)
  • Protocolos OSI (pt)
  • OSI协议 (zh)
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