OSI model
model with 7 layers to describe communication systems
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Summary
OSI model is a reference model[1]. It draws 27,363 Wikipedia views per month (reference model category, ranking #1 of 2).[2]
Key Facts
- Subclass of: networking model[3]
- Commons category: OSI model[4]
- Has part(s): physical layer[5], data-link layer[6], network layer[7], transport layer[8], session layer[9], presentation layer[10], application layer[11]
- Official website: https://www.iso.org/ics/35.100/x/[12]
- Topic's main category: Category:OSI model[13]
- Described by source: ISO 7498:1984: Information processing systems—Open Systems Interconnection—Basic Reference Model[14], ISO/IEC 7498–1:1994: Information technology—Open Systems Interconnection—Basic Reference Model: The Basic Model[15], ISO 7498–2:1989: Information processing systems—Open Systems Interconnection—Basic Reference Model—Part 2: Security Architecture[16], ISO 7498–3:1989: Information processing systems—Open Systems Interconnection—Basic Reference Model—Part 3: Naming and addressing[17], ISO/IEC 7498–3:1997: Information technology—Open Systems Interconnection—Basic Reference Model: Naming and addressing[18], ISO/IEC 7498–4:1989: Information processing systems—Open Systems Interconnection—Basic Reference Model—Part 4: Management framework[19], The elements of networking style and other essays and animadversions on the art of intercomputer networking[20], RFC 871: Perspective on the ARPANET reference model[21]
- Partially coincident with: TCP/IP model[22]
- Topic has template: Template:OSI model[23]
- Standards body: International Organization for Standardization[24]
- Has immediate cause: Open Systems Interconnection[25]
- Stack Exchange tag: https://stackoverflow.com/tags/osi[26], https://networkengineering.stackexchange.com/tags/osi[27]
- Main Wikidata property: P5805[28]
- Has part(s) of the class: abstraction layer[29]
Why It Matters
OSI model has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] It is known by 153 alternative names across languages and contexts.[31]