Difference between revisions of "Open Systems Interconnection model"
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| − | The '''Open System Interconnection (OSI) Model''' (or the OSI Reference Model) is a basic representation of how information moves from a [[software]] application through a [[network]] medium to an application on another [[computer]] <ref>http://www.cisco.com/en/US/docs/internetworking/technology/handbook/Intro-to-Internet.html#wp1020627</ref> | + | The '''Open System Interconnection (OSI) Model''' (or the OSI Reference Model) is a basic representation of how information moves from a [[software]] application through a [[network]] medium to an application on another [[computer]].<ref>http://www.cisco.com/en/US/docs/internetworking/technology/handbook/Intro-to-Internet.html#wp1020627</ref> |
Not encompassing newer protocol developments, the model is still considered to be a very useful introduction to network architecture. | Not encompassing newer protocol developments, the model is still considered to be a very useful introduction to network architecture. | ||
Revision as of 23:49, June 22, 2016
The Open System Interconnection (OSI) Model (or the OSI Reference Model) is a basic representation of how information moves from a software application through a network medium to an application on another computer.[1]
Not encompassing newer protocol developments, the model is still considered to be a very useful introduction to network architecture.
There are seven layers in the model with information flowing from the highest layer (seven) to the lowest (one). The layers are:
- Layer 7 - Application
- Layer 6 - Presentation
- Layer 5 - Session
- Layer 4 - Transport
- Layer 3 - Network
- Layer 2 - Data Link
- Layer 1 - Physical