Layer 8 is Internet jargon used to refer to the "user" or "political" layer as an extension of the OSI model of computer networking. The OSI model is a 7-layer abstract model that describes an architecture of data communications for networked computers. The layers build upon each other, allowing for abstraction of specific functions in each one. The top (7th) layer is the Application Layer describing methods and protocols of software applications. It is then held that the user is the 8th layer.

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  • Layer 8 is Internet jargon used to refer to the "user" or "political" layer as an extension of the OSI model of computer networking. The OSI model is a 7-layer abstract model that describes an architecture of data communications for networked computers. The layers build upon each other, allowing for abstraction of specific functions in each one. The top (7th) layer is the Application Layer describing methods and protocols of software applications. It is then held that the user is the 8th layer. Since the OSI layer numbers are commonly used to discuss networking topics, a troubleshooter may describe an issue caused by a user to be a layer 8 issue, similar to the PEBKAC acronym and the ID-Ten-T Error. In the TCP/IP model, a 4-layer networking model, the 5th layer is analogously sometimes described as the political layer (and the 6th as the religious layer). This appears in Internet Society RFC 2321, which was published on 1 April 1998. Political economic theory holds that the 8th layer is important to understanding the OSI Model. Political policies such as network neutrality, spectrum management, and digital inclusion all shape the technologies comprising layers 1-7 of the OSI Model. An 8th layer is sometimes said to be implemented in industrial networks usually containing device profiles or communication interface (e.g. , ALI in Profibus). In addition, sometimes Layer 8 is referred to as the finance layer. Layer 8 is also used in company names. A large Cisco Partner in the UK is named Layer 8 Networks. Linux Gazette carries a regular column called Layer 8 Linux Security . In a similar vein, "Layer 9" is jokingly considered to be the religious layer of the OSI model or an action ordered by someone's manager, known to be wrong.
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  • Layer 8 is Internet jargon used to refer to the "user" or "political" layer as an extension of the OSI model of computer networking. The OSI model is a 7-layer abstract model that describes an architecture of data communications for networked computers. The layers build upon each other, allowing for abstraction of specific functions in each one. The top (7th) layer is the Application Layer describing methods and protocols of software applications. It is then held that the user is the 8th layer.
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  • Layer 8
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