What is OSI Model?

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  • Опубліковано 19 гру 2024

КОМЕНТАРІ • 391

  • @realpars
    @realpars  2 місяці тому +2

    Want to learn industrial automation? Go here: realpars.com
    Want to train your team in industrial automation? Go here: realpars.com/business

  • @davidmvenegas
    @davidmvenegas Рік тому +247

    An acronymn I use to remember the OSI model:
    Probably (physical)
    Didn't (data link)
    Need (network)
    Those (transport)
    Stupid (session)
    Packets (presentation)
    Anyway (application)

  • @eddyeffy
    @eddyeffy 3 роки тому +274

    These videos make sense because majority of lecturers try to be ridiculous in how they treat these topics so we have more people confused about these concepts and these gives the videos relevance.

  • @MrHAMMUDE90
    @MrHAMMUDE90 Рік тому +36

    My god, our teacher had nearly the entire class lost in this topic for 4 straight days, yet you simplified it and made it easy to understand in 8 minutes. Bless you.
    He just kept on going back and forth between steps and mixing in other shit the entire time that we just felt lost. He would often bring something that should be taught next week in today's lecture that made no sense.
    Thank you.
    EDIT: You got a new sub!

    • @realpars
      @realpars  Рік тому +2

      That's amazing to hear! Thank you very much for sharing

  • @aflyingtoaster6096
    @aflyingtoaster6096 4 роки тому +150

    what my teacher couldn't explain in 2 weeks , you explained it in a matter of minutes , thanks a lot !!!

    • @realpars
      @realpars  4 роки тому +11

      That's a great compliment then! Thanks a lot for sharing that with us - happy learning!

    • @mayesokazembe5880
      @mayesokazembe5880 Рік тому

      😅😅😅😅😅😅….

  • @Shikogo
    @Shikogo Рік тому +56

    I created personal study notes for myself out of this video and it took me nearly an hour. The information density in this video is crazy, in a good way. Extremely helpful, thank you very much!

    • @realpars
      @realpars  Рік тому +2

      Glad it was helpful! Thank you for sharing and always feel free to leave us any questions that might come up along the way.

  • @jermaineomorogbe
    @jermaineomorogbe 9 місяців тому +6

    I was left confused when taught this concept in class. This video made a very complex subject straight forward. Thank you!

    • @realpars
      @realpars  9 місяців тому

      That's an amazing compliment! Happy to help!

  • @Franhausen
    @Franhausen 2 роки тому +15

    8:22 is what it took you to explain this concept to me, while my instructor has been going over this with us for three days.
    Thank you.

    • @realpars
      @realpars  2 роки тому +3

      Thanks a million! That's an amazing compliment, we truly appreciate that.

  • @andrezaemon
    @andrezaemon 2 роки тому +23

    This is really a good video for someone like me who would like an introduction on the subject. Short and visual. Thanks a lot!!

    • @realpars
      @realpars  2 роки тому +1

      Glad you enjoyed it!

  • @skullomanjaro9402
    @skullomanjaro9402 Рік тому +2

    My schools explanation for this was absolutely horrible not to mention breezed by like it was a easy 2+2=4 concept. This video is amazin for those who need to visualize the information. I now graduated with my Bachelors not fully understanding this which is not good obviously. But this video made 1000% sense and i now understand it fully with 5 pages of notes. Recomended to anyone who is going through classic college courses, excellerated courses, or already done with school. Subbed and Liked

    • @realpars
      @realpars  Рік тому

      Thank you very much for sharing that! That's amazing to read.

  • @deepeshshrestha1036
    @deepeshshrestha1036 3 роки тому +2

    I watched it once loved it.
    And today I searched whole UA-cam history in browser to watch again damn the quality.🐯.

    • @realpars
      @realpars  3 роки тому

      Thanks for your support, Deepesh!

  • @paulsunday1405
    @paulsunday1405 Рік тому +5

    Thank God I discovered this channel. This is the best teaching method or pattern so far. What I couldn't understand in two weeks, I got it here clearly. You got a new follower today. Thank you ❤

    • @realpars
      @realpars  Рік тому

      Glad to hear that! Thank you very much for sharing, and happy learning!

  • @noonpe622
    @noonpe622 2 роки тому +10

    The most simple and educative video I have seen so far.
    Thanks a lot

    • @realpars
      @realpars  2 роки тому +2

      Glad it was helpful! Thank you for sharing, Ali!

  • @oohbabybloo
    @oohbabybloo 3 місяці тому

    Im a hobbyist in IT and this video put the OSI model together in a way I can understand what’s happening when Im using the internet

    • @realpars
      @realpars  3 місяці тому

      That's amazing to hear! Happy learning!

  • @its_roggy
    @its_roggy 3 роки тому +3

    Got 10 minutes before my exam, and this video helped me alot. Thanks!!!

    • @realpars
      @realpars  3 роки тому

      Glad it helped! Hope your exam went well!

    • @its_roggy
      @its_roggy 3 роки тому +1

      @@realpars Hey! Too bad they didn't bring it, but still this video was still helpful. Thanks again!

  • @sant4398
    @sant4398 Рік тому +7

    The tip is that http covers all three upper layers - Application, presentation and session and the borders of the layers are quite unformal.

  • @tomasvesely1469
    @tomasvesely1469 2 роки тому +1

    absolute chad who made this video. You man got me through the finals

    • @realpars
      @realpars  2 роки тому

      Great to hear that, Tomas! Great job!

  • @kabooby0
    @kabooby0 3 роки тому +2

    I like the dry and straight forward manner of presentation, good video.

  • @user-vc6wo7cq8v
    @user-vc6wo7cq8v 2 роки тому +13

    Excellent! A perfectly simplified depiction. Thank you!

    • @realpars
      @realpars  2 роки тому +1

      Glad you enjoyed it!

  • @erickmutonyi413
    @erickmutonyi413 2 роки тому +1

    Am grateful for this video. I look foward for it's continuation.

    • @realpars
      @realpars  2 роки тому

      I'm glad you like it!

  • @DrSeuss-nw3px
    @DrSeuss-nw3px 3 роки тому

    This was probably the best video on the OSI model

  • @shipsofscale
    @shipsofscale Рік тому

    This is the best Video I have seen so far on the explanation of the OSI and I have seen several of them.

    • @realpars
      @realpars  Рік тому

      That's great to hear! Thank you very much for sharing

  • @jacquesbarro9253
    @jacquesbarro9253 2 роки тому +2

    Thank you very much for informative video. You made it easy for someone like me in his mid 50’s with no prior computer knowledge. Thanks again

    • @realpars
      @realpars  2 роки тому

      That's amazing to hear, Jacques! Glad to hear that and happy learning!

  • @hawaslianas
    @hawaslianas 3 роки тому +6

    Thank you so much. I wish my teachers were as good, simple, and helpful.

    • @realpars
      @realpars  3 роки тому +1

      That's an amazing compliment, Anas! Thanks a million.

    • @Mangokyaw
      @Mangokyaw 3 роки тому

      Were*

  • @danbacila5257
    @danbacila5257 4 роки тому +30

    This is a great video for understanding the OSI Model! Thank you!

    • @realpars
      @realpars  4 роки тому

      Amazing to hear that! Thanks for sharing.

  • @asadsalim1914
    @asadsalim1914 5 років тому +3

    Your channel is one of my best tech channels in youtube.
    Keep on fascinating us.

    • @realpars
      @realpars  5 років тому

      Great to hear, Asaad! Thank you.

  • @readerslibrary05
    @readerslibrary05 9 місяців тому +1

    Thanks so much for this, I was able to follow through

    • @realpars
      @realpars  9 місяців тому

      Glad it helped! Always feel free to leave us any questions you might have.

  • @loudblaxz6759
    @loudblaxz6759 Рік тому

    Good Video..This video was Presented by my Teacher in class...Thanks for this i have learned how the osi or layers works..PEII Jaro EIT Student

    • @realpars
      @realpars  Рік тому +1

      Thank you! Nice to hear that your teacher is using our videos in class! Happy learning

  • @davidalen9279
    @davidalen9279 5 років тому +12

    clear concise explanation. very helpful. thank you!

    • @realpars
      @realpars  5 років тому

      Great to hear that, David!

  • @rm1537
    @rm1537 3 роки тому +6

    Awesome video! This was a huge help for understanding the OSI model.

    • @realpars
      @realpars  3 роки тому +1

      Glad to hear it!

  • @Eutanazer
    @Eutanazer 5 років тому +2

    Best explanation I've seen so far! Thanks

    • @realpars
      @realpars  5 років тому

      Great to hear that, Adam! Thanks for sharing!

  • @TheMsr47gaming
    @TheMsr47gaming Рік тому

    Cengage was okay but this explained the layers way better IMO, Thank you!

  • @tymothylim6550
    @tymothylim6550 3 роки тому +5

    Thanks a lot for this video! It was really clear and helpful!

    • @realpars
      @realpars  3 роки тому

      Glad to hear that!

  • @4rtys
    @4rtys 4 роки тому

    This channel is pure gold. Thanks a lot.

    • @realpars
      @realpars  4 роки тому

      Happy to hear that!

  • @idoshimon
    @idoshimon 5 років тому +1

    Best Titorial for OSI Model

  • @thassioam
    @thassioam 5 років тому +29

    Well done, I really like this channel. Help me a lot

  • @ginalindley
    @ginalindley 3 роки тому

    I watched it twice, great job instructing!

    • @realpars
      @realpars  3 роки тому +1

      Thanks a lot, Gina!

  • @miniMinn-music
    @miniMinn-music Рік тому

    Why didn't I find this video earlier... this channel helps me a lot... Thank you :)

    • @realpars
      @realpars  Рік тому

      Glad to hear that! Happy learning, and always feel free to reach out if you have any other questions.

  • @vsnshankar4932
    @vsnshankar4932 4 роки тому +2

    really excellent... pictorial representation enables me, easy to understand

    • @realpars
      @realpars  4 роки тому +1

      Great to hear that!

  • @wemake4u444
    @wemake4u444 3 роки тому

    Best osi model explanation. 🔥

    • @realpars
      @realpars  3 роки тому +1

      Glad you liked it

  • @thevikj
    @thevikj 2 роки тому +7

    I watch this video before every CS exam 😂😂

    • @realpars
      @realpars  2 роки тому +1

      Great! Hope they are helpful, Vikram :)!

  • @DaoStew
    @DaoStew Рік тому

    wow, been reading about this, this literally cleared up any confusion I had. thank you for this!

    • @realpars
      @realpars  Рік тому

      That's amazing to hear, Dan! Glad it was helpful!

  • @yusupkhan582
    @yusupkhan582 3 роки тому +5

    I like this channel Very much. Well classified graphical representation make it easy to understand . A novice learner like me can gain some knowledges from your lessons. Thank you 💕💕💕💕.

    • @realpars
      @realpars  3 роки тому

      Thank you very much!

  • @sleepyguy4237
    @sleepyguy4237 Рік тому

    It took 1 hour of this certain subject from my class while this is like 8 minutes and I understood this better.
    I swear to God, these college universities are trying to lengthen time on purpose to make use of our tuition fee.

    • @realpars
      @realpars  Рік тому

      That's amazing to read! Thank you so much for sharing, happy learning!

  • @yaboy7120
    @yaboy7120 2 роки тому

    using this to supplement my college data/networking class 😅😅 thank you

    • @realpars
      @realpars  2 роки тому

      Hope it helps! Happy learning

  • @YassineBenZaid
    @YassineBenZaid 2 роки тому

    there is no better ways how things inter connect. thanks a lots ,really really a very good job.

  • @micahlee2191
    @micahlee2191 Рік тому +1

    Thank You soooo much! Just started Networking & our professor blew threw this as if he was teaching us our ABC'S lol.

    • @realpars
      @realpars  Рік тому

      Glad to hear that, happy learning!

  • @dotex2809
    @dotex2809 3 роки тому

    Thanks Realpars , congrats on 700k subs

  • @allisonorton68
    @allisonorton68 2 місяці тому

    This was very helpful and easy to understand. thank you!!!!

    • @realpars
      @realpars  2 місяці тому

      Glad it was helpful!

  • @techandlifestyle7767
    @techandlifestyle7767 5 років тому +16

    Thank You so much for such a wonderful explanation!!!

    • @realpars
      @realpars  5 років тому

      You are very welcome!

  • @repentprayfast
    @repentprayfast 2 роки тому

    Thank you for putting this together!

  • @ayeshafaisal1058
    @ayeshafaisal1058 Рік тому

    This is a great vedio👍👍
    Thank You So Much Sir For Your Help 😊😊😀

    • @realpars
      @realpars  Рік тому

      Most welcome! Happy learning

  • @HotfireXG
    @HotfireXG 6 місяців тому

    Great video. It is on par with a college course.

    • @realpars
      @realpars  6 місяців тому

      Glad it was helpful!

  • @samturkid7471
    @samturkid7471 3 роки тому

    Congratulations you made me to understand more 🙏

    • @realpars
      @realpars  3 роки тому

      Glad to hear that!

  • @josephkitara1991
    @josephkitara1991 3 роки тому

    This video gave me a great understanding on ISO

    • @realpars
      @realpars  3 роки тому

      Glad to hear that, Joseph!

  • @amandapennies
    @amandapennies 5 місяців тому

    Thank you for Sharing your knowledge ! ❤

    • @realpars
      @realpars  5 місяців тому

      You are very welcome!

  • @Codescardbarn
    @Codescardbarn 4 роки тому +2

    who disliked this video? this is great content

  • @adamwilber9010
    @adamwilber9010 4 роки тому +1

    @1:20 you mention ethernet and show twisted pair and mention fiber optic separately, when ethernet can be carried over fiber and fibre channel can use twisted pair cables.

  • @amilanissanka1408
    @amilanissanka1408 3 роки тому

    This is good OSI video i have ever seen.. Good

    • @realpars
      @realpars  3 роки тому

      Thanks a million, Amila!

  • @zilladraws6638
    @zilladraws6638 Рік тому

    igcse textbooks do a really bad job at explaining these. thanks a lot. you saved me

  • @BrianForkuor
    @BrianForkuor 10 місяців тому

    Simply simplified..........
    Thank you.

    • @realpars
      @realpars  10 місяців тому

      You're welcome!

  • @caedmonmyeni6684
    @caedmonmyeni6684 4 роки тому +12

    This is a very good video, thank you!
    You also kinda sound like kahnacademy lol

  • @nikhilmaurya5936
    @nikhilmaurya5936 3 роки тому

    It really helps me a lot. Loved it! 😍

    • @realpars
      @realpars  3 роки тому +1

      Awesome! Thank you!

  • @shin-jo2801
    @shin-jo2801 2 роки тому

    Holy... this one is just _chefs kiss_

  • @truthmatters6398
    @truthmatters6398 3 роки тому +1

    PERFECT VIDEO! AMAZING! #subscribed ✅🙂❤️

  • @joeltruax3816
    @joeltruax3816 4 роки тому

    Very good! I'm doing a presentation on the OSI model for my class.

    • @realpars
      @realpars  4 роки тому

      Great! Best of luck with your presentation, Joel!

    • @joeltruax3816
      @joeltruax3816 4 роки тому

      @@realpars Thanks!

  • @crabcrab1155
    @crabcrab1155 Рік тому +1

    Very well explained

    • @realpars
      @realpars  Рік тому

      Glad it was helpful! You're very welcome!

  • @mohamedbenrahal5000
    @mohamedbenrahal5000 5 років тому +1

    Guys thanks a lot I've collected a lot of information that
    i need in a simple and short way thanks again

    • @realpars
      @realpars  5 років тому

      That is great to hear, Mohamed! Keep up the good work!

  • @safiyajd
    @safiyajd 5 років тому +8

    You have brighten my brain!! I always hated this subject but you made a piece of 🎂 😍

    • @realpars
      @realpars  5 років тому

      That's a great compliment, Safiya! Thank you!

  • @amrouche.abdesselam
    @amrouche.abdesselam 5 років тому +10

    Thank you again RealPars !!! Great Video, i was just learning OSI model and here you post this video at the same time :)
    It would be very helpful though if you could please make a video to explain for exemple a Modbus TCP communication (Or whichever protocol you want) and see each layer what it contains !!

    • @realpars
      @realpars  5 років тому +3

      Thanks for sharing your positive feedback with us Amrouche! I will pass your topic request through to our creator team. Thanks a lot! Happy learning.

  • @SuperWilliammora
    @SuperWilliammora 2 роки тому

    Con este video finalmente entendí como funcionan las capas muhas grcias.

    • @realpars
      @realpars  2 роки тому

      Estupendo! Gracias

  • @kasperchristensen8416
    @kasperchristensen8416 3 роки тому

    Very nice and clear explanation. Thanks for making this video.

    • @realpars
      @realpars  3 роки тому +1

      Glad it was helpful! Our pleasure, Kasper!

  • @cmsaquin
    @cmsaquin 3 роки тому +1

    This is so amazing. Thank you so much!

    • @realpars
      @realpars  3 роки тому

      You're so welcome!

  • @arunbaskar2593
    @arunbaskar2593 4 роки тому

    It is very clear and perfect explanation. Thank you

    • @realpars
      @realpars  4 роки тому

      Glad it was helpful!

  • @prakh1250
    @prakh1250 3 роки тому

    DAMN and the intro was awesome too!!

  • @tylerwray1566
    @tylerwray1566 5 років тому +1

    Another great video. Keep them coming!

    • @realpars
      @realpars  5 років тому

      Happy to hear that you are finding our videos useful. Happy learning!

  • @fizabano164
    @fizabano164 6 місяців тому +140

    Anyone from 2024

  • @dungvan2238
    @dungvan2238 2 роки тому

    hi guy, video is very reality and useful. Thanks

    • @realpars
      @realpars  2 роки тому +1

      Glad you think so!

  • @808sandheartbreak2
    @808sandheartbreak2 2 роки тому

    This was done very well. Thank you.

    • @realpars
      @realpars  2 роки тому

      Glad you enjoyed it!

  • @ahdimarketing9073
    @ahdimarketing9073 3 роки тому

    This video helped me completing my assignment. Thank you sir for such a beautiful teaching methodology.

    • @realpars
      @realpars  3 роки тому

      You're very welcome, Asif! Glad to hear that it was helpful.

  • @huynguyendinh3719
    @huynguyendinh3719 4 роки тому +1

    excellent explanation !! thank you so much, keep doing such great things !

    • @realpars
      @realpars  4 роки тому +1

      You're very welcome! Happy to hear that our course videos are helpful to you!

  • @adinasherer7346
    @adinasherer7346 10 днів тому

    You should add optical options to the physical layer

  • @mads7401
    @mads7401 4 роки тому +1

    Great video, thanks!

    • @realpars
      @realpars  4 роки тому +1

      You're very welcome!

  • @lifestylelifestyle
    @lifestylelifestyle 3 роки тому

    thank u so much for your explication it's simple and clear

    • @realpars
      @realpars  3 роки тому

      You're very welcome!

  • @nucleusbelizario9531
    @nucleusbelizario9531 3 роки тому

    Good presentation. Thank you sir

    • @realpars
      @realpars  3 роки тому

      You are most welcome!

  • @austinfarley4971
    @austinfarley4971 3 роки тому +2

    Still wish people talked about the unofficial 8th Layer. But thank you for this. Have a job interview coming up and when it comes to the actual job, I just never even think about OSI.

    • @realpars
      @realpars  3 роки тому +1

      Glad to hear that, Austin! You're very welcome!

  • @ashenmendis3566
    @ashenmendis3566 2 роки тому

    thank you. this is very helpful.

  • @Working800
    @Working800 3 роки тому +2

    in my work I learn part of this for a joke, my boss told me "This is an error 8" I did not understand so they talked me abou OSI I look for it but found out there are just 7, the number 8 is one common problem, the user, as a tech support or programmer you should know this is a big problem sometimes 😂, btw. Great video it helped me for my class.

  • @NadiraShnitman
    @NadiraShnitman Рік тому +1

    thank you for the video. but can someone explain why Skype is considered using HTTP protocol? I thought it uses other protocol then http/s..

    • @SpiffySpecs
      @SpiffySpecs 9 місяців тому

      HTTP and HTTPS is just some of the protocols that reside in the Application Layer.
      Skype is very well known to use VoIP heavily. Voip resides in the Application layer along with http and https.
      I don't think the narrator meant to say that Skype uses Http (maybe I'm wrong), but I think he meant that Skype is accessing the same layer your browser is accessing and the browser needs HTTP.

  • @genantamtam9364
    @genantamtam9364 3 роки тому +1

    Hello. Thanks for the vid.
    Does all automation communication Protocols use this OSI model? I mean Profinet, profibus, modbus RTU, ethernet/ip etc

    • @realpars
      @realpars  3 роки тому +2

      Yes. The model is just that: a model. Many of the protocols you mention use a subset of the layers (4 or 5 layers) rather than all 7. Profinet uses layers 1, 2, 3, 4, and 7. Modbus RTU uses layers 1, 2, and 7. Profinet and Ethernet/IP both use TCP as the Layer 4 protocol. But unlike Profinet, Ethernet/IP uses three overall layers or "suites" called IEEE 802.3 at the lowest level, TCP/IP suite, and CIP Stack at the top. So even though they all follow the ISO model, each uses protocols at each layer that meets the needs of the individual protocol.

    • @genantamtam9364
      @genantamtam9364 3 роки тому +1

      @@realpars Thanks alot for the detailed answer. It make more sense now.
      But you said Allenbradley`s EtherNet/IP protocol uses 3 overall layers? You mean 3 layers in total? And one of them is at the lowest ( layer 1) use IEEE802.3?

  • @vance3391
    @vance3391 5 років тому

    Great video with clear explanation

    • @realpars
      @realpars  5 років тому

      You are very welcome! Happy learning!

  • @alammahtab27
    @alammahtab27 4 роки тому

    Nicely explained..!!!

  • @chobolife
    @chobolife 5 років тому

    awesome! your explanation is best in youtube!! thank you so much 🤭

    • @realpars
      @realpars  5 років тому

      Great to hear! Thanks a lot!

  • @cncreations4419
    @cncreations4419 3 роки тому

    well done, sir! i really love thi chanel sir iam from nepal sir

    • @realpars
      @realpars  3 роки тому

      That's great to hear! Thanks a lot.

  • @unkniwnnsjabjakjqkbshiaknwbh
    @unkniwnnsjabjakjqkbshiaknwbh 3 роки тому

    Amazing video thanks a ton♥️

    • @realpars
      @realpars  3 роки тому

      You're very welcome!

  • @احمدمحمد-ص9ض6د
    @احمدمحمد-ص9ض6د 4 роки тому +1

    I wish i have athing better thank four this channel

  • @ahmadabuazoum6015
    @ahmadabuazoum6015 4 місяці тому

    for sure clicked "Like" and subscribed, thanks for sharing

    • @realpars
      @realpars  4 місяці тому +1

      Glad to hear that! Happy learning

  • @pushkarkesari6043
    @pushkarkesari6043 5 років тому

    i like the way u explain things.

    • @realpars
      @realpars  5 років тому

      Happy to hear that, Pushkar! Thanks for sharing.

  • @marcusnyd1039
    @marcusnyd1039 3 роки тому

    This is really helpfull, nice vidio!

    • @realpars
      @realpars  3 роки тому

      Glad to hear that, Marcus!

  • @hariharanr901
    @hariharanr901 4 роки тому +1

    Really a great channel :)

    • @realpars
      @realpars  4 роки тому

      Thanks for your support! Great to hear that.