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==== '''Open Systems Interconnection model (OSI)''' ==== |
==== '''Open Systems Interconnection model (OSI)''' ==== |
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{{OSI model table}} |
{{OSI model table}} |
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[[Lists of network protocols]] |
[[Lists of network protocols]] |
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[[WebSocket]] |
[[WebSocket]] |
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[[Frontend and Backend]] |
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[[SOAP]] |
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[[Representational state transfer]] |
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[[Overview of RESTful API Description Languages]] |
Latest revision as of 13:26, 1 October 2021
Computer Science and Tech
[edit]OSI model by layer |
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Open Systems Interconnection model (OSI)
[edit]Layer | Protocol data unit (PDU) | Function[2] | ||
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Host layers |
7 | Application | Data | High-level protocols such as for resource sharing or remote file access, e.g. HTTP. |
6 | Presentation | Translation of data between a networking service and an application; including character encoding, data compression and encryption/decryption | ||
5 | Session | Managing communication sessions, i.e., continuous exchange of information in the form of multiple back-and-forth transmissions between two nodes | ||
4 | Transport | Segment, Datagram | Reliable transmission of data segments between points on a network, including segmentation, acknowledgement and multiplexing | |
Media layers |
3 | Network | Packet | Structuring and managing a multi-node network, including addressing, routing and traffic control |
2 | Data link | Frame | Transmission of data frames between two nodes connected by a physical layer | |
1 | Physical | Bit, Symbol | Transmission and reception of raw bit streams over a physical medium |
List of TCP and UDP port numbers
Internet protocol suite |
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Application layer |
Transport layer |
Internet layer |
Link layer |
Comparison of file transfer protocols
Representational state transfer
Overview of RESTful API Description Languages
- ^ "X.225 : Information technology – Open Systems Interconnection – Connection-oriented Session protocol: Protocol specification". Archived from the original on 1 February 2021. Retrieved 10 March 2023.
- ^ "Windows Network Architecture and the OSI Model". Microsoft Documentation. Retrieved 24 June 2020.