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OSI model. Model with 7 layers to describe communications systems The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

OSI model

Its goal is the interoperability of diverse communication systems with standard protocols. The model partitions a communication system into abstraction layers. The original version of the model defined seven layers. A layer serves the layer above it and is served by the layer below it. Internetworking Technology Handbook - Internetworking Basics  [Internetworking. Networking Essentials Notes Table of Contents. INFormation CHanGe Architectures and Flow Charts powered by Google App Engine. The following example in detail: (Except for cases where signed-in authors chose to keep their work confidential) Example January 19 22h16 Find the Syntax-highlighted Beluga code below, as posted on Jan-19 at 22h16.

INFormation CHanGe Architectures and Flow Charts powered by Google App Engine

With particles, reactions(->), structures(:), and comments(#). // TB#OSI Open Systems Interconnect (ISO) #Host layers #7 Application # Network process to applicationdata # 6 Presentation # Data representation and encryptionp_data #5 Session # Interhost communications_data #4 Transport # End-to-end connections and reliabilitySegment #Media layers # 3 Network # Path determination and logical addressingPacket #2 Data Link # Physical addressingFrame #1 Physical # Media, signal and binary transmission Bit.