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OSI-Model
OSI-Model

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!!! Overview[1]
[{$pagename}] defines [Communication Layers] within the [Open Systems Interconnection] ([OSI])
[{$pagename}] is a [Framework] for describing [Communication Layers]
[{Image src='/images/osimodel.svg' caption='OSI Model' align=left width=1024 height=768 style='font-size: 120%}]. \\
OSI Model
%%zebra-table
%%sortable
%%table-filter
||#||Layer||Level|[Protocol Data Unit] ([PDU])||Function
|7|[Application Layer]|Host layer|[Data]|High-level [APIs], including resource sharing, remote file access
|6|[Presentation Layer]|Host layer|[Data]|Translation of [data] between a [networking|Network] service and an [application]; including character [Encoding], data compression and [encryption]/[decryption]
|5|[Session Layer]|Host layer|[Data]|Managing communication [sessions], i.e. continuous exchange of information in the form of multiple back-and-forth transmissions between two [nodes]
|4|[Transport Layer]|Host layer|[Segment] [TCP]/ [Datagram] ([UDP])|[Reliable protocol] transmission of [data] [segments] between points on a [network], including [Packet segmentation], [Acknowledgement] and multiplexing
|3|[Network Layer]|Media layer|[Packet]|Structuring and managing a multi-node [network], including addressing, [routing] and traffic control
|2|[Data-link Layer]|Media layer|[Frame]|[Reliable protocol] transmission of [data] [frames] between two [nodes] connected by a [Physical Layer]
|1|[Physical Layer]|Media layer|[Bit]|Transmission and reception of raw bit streams over a physical medium
/%
/%
/%
Some [Information Technology] people have proposed we should add the [Human Interconnection Model] Proposed Layers
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [OSI_model|Wikipedia:OSI_model|target='_blank'] - based on information obtained 2017-04-01
This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop