Category: networks
Open Systems Interconnection Model
| OSI Model | ||
|---|---|---|
| 7 | Application | HTTP, Telnet, FTP, SMTP |
| 6 | Presentation | |
| 5 | Session | TCP |
| 4 | Transport | |
| 3 | Network | IP / IPv6 |
| 2 | Data Link | PPP |
| 1 | Physical | |
The International Organization for Standardization created a seven layer reference model known as the OSI model. This model is a layered approach to describing a standard way to show how data flows on a computer network. Before the OSI model, a team of scientists from DARPA were using a model based on a specific protocol suite called TCP/IP. The TCP/IP model is still widely used today mainly because TCP/ip has become the accepted universal standard of for the Internet.
introduction to tcp and osi models
Open Systems Interconnection Model
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Introduction to Computer Networks Introduction to Computer Networks
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