OSI Model Explained | OSI Animation | Open System Interconnection Model | OSI 7 layers | TechTerms

Learn computer network layers or OSI layers in a computer network, OSI Model, OSI reference model or open system interconnection model or networking model including Application Layer, Presentation Layer, Session Layer, Transport Layer, Network Layer, Data Link Layer and Physical layer. Definition, Function, and use of the OSI network model. Protocols in computer network layers of OSI model.

OSI Model defines and is used to understand – How data is transferred from one computer to another in a computer network?

In the most basic form, two computers (end-points) connected to each other with LAN Cable (Network Media) and connectors (RJ45) sharing data with the help of NICs forms a network.

But if one computer is based on Microsoft Windows and the other one has MAC OS installed, then how these two computers are going to communicate with each other?

In order to accomplish successful communication b/w computers or networks of different architectures, 7-layered OSI Model or Open System Interconnection Model was introduced by the International Organization for Standardization in 1984.

Application Layer
Presentation Layer
Session Layer
Transport layer
Network Layer
Data Link Layer
Physical Layer

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Must learn:

[pavelkarpenko]

1:19 Application
2:36 presentation
3:58 session
6:21 transport
9:02 network
11:23 data link
15:19 physical

[lifelimitless]

21 years after graduation, my search for OSI stopped here. Thanks for such a wonderful presentation. All Engineering colleges must take this video as de facto syllabus for aspiring IT engineers.

[AllanHelboe]

I've been teaching network technology for 20 years. I've never seen such correct, thorough and easy-to understand presentation of the OSI model. I'm
This video will be part of my curriculum for ever!

[soehan]

Massive respect to the people who made this video. Reading Networking articles is not enough. We still need this kind of Animated Videos. Thank you very much.

[AbdulKareem-fwuz]

I am a trainer, neither have I nor I have come across any one who has done a wonderful job explaining OSI Model so far; as you have done it. Bravo! I cant stop appreciating the content you have created.

[dl]

Its crazy how you managed to transform such a dry topic into something even a non-tech person can understand. Thanks for the hard work!

[saivamsithanneru]

Please (Physical Layer)
Do (Data Link Layer)
Not (Network Layer)
Tell (Transport Layer)
Secret (Session Layer)
Password (Presentation Layer)
Anyone ( Application Layer )

[peace]

Till today during my job training session, since 7 years of academic in touch with networking concepts.. honestly.. NOBODY explained to me these clear-cut ideas.. Hats off you to man!!

[chrizzirch]

I feel embarrassed that I never grasped the OSI model and all its characteristics (for the past 20yrs since being in IT) to the extent that you have so impressively and insanely 'penny dropping' managed to convey it in this Video. OMG, thank you thank you thank you for doing this video!!

[junadriano]

This is how all educational videos should be, precise, juicy, no non-sense, illustrative and all focused on understanding the concept. Thank you.

[noufsanimation.]

oh my god you have to teach in our university because our lecturer wasted 3 weeks of my life to teach us this 16 minutes video!!! you're so good man thanks a lot.

[selvaperumal]

Oh my gosh! This is the best video to learn OSI Layers. After my search of two decades my quest ends here.

[ijppiras]

first saw this vid at 2020 when I was job hunting during the pandemic which helped me land the Job at the time. That is why this will always be my favorite OSI model tutorial vid especially if I want a refresher on network concepts in each layer.

[wandjlaye_godwe]

That video is the best video ever on that topic PERIOD!.
The presenter went beyond the call of duty, clearing all possible confusion like the famous about the Application layer and what resides on it.
I highly recommend that video. That is the one-stop to nail the OSI Model.
Congratulations on that excellent work and please keep up!!
I will recommend, like, share and subscribe to the Channel.
IT - Video Label: A++

[pavsanto]

14 years after my graduation, finally !!! We didn't have such videos in our times, this is the good side of internet. Pictorial representation is worth a thousand words or even more.. Thanks a lot !

[brandenyang]

Thank you for this! I particularly liked the analogy about how the session layer is like the "people that clean up after the party". That helps me make a lot more sense out of things!

[devanshmesson]

I want to thank you so much from the bottom of my heart!
The best video on internet on OSI model!
Crystal clear, engaging, keeps the viewer engaged without getting bored.

Thanks a ton for saving our lives by making these kind of amazing videos. God bless you!

[kranthikumarvanni]

Can’t believe someone just explained OSI model in 16 minutes so effectively. Great work. My test book got 32 pages notes on it and didn’t understand a bit of it. This is so perfect. Thank you.

[levyroth]

Well done dude, this is one of the best explanations of the OSI model that someone who hates learning about OSI found easy to follow just like this long sentence. Truly impressive.

[shreya]

This 16 min video > my professor's 1 week lectures .! You are awesome !