What is a Protocol? (Deepdive)

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  • Опубликовано: 20 июн 2024
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    The term "protocol" can be really confusing. In this video I try to explain to my former self what it means to have a protocol.
    Chapters:
    00:00 - Intro and Motivation
    00:28 - "Protocol" Word Definition
    01:48 - The HTTP Protocol
    02:42 - RFC 9112 HTTP/1.1
    06:35 - Web APIs are Protocols
    07:50 - RFC 9293 TCP
    11:02 - What Is a TCP Port?
    12:30 - Why Is TCP Working This Way?
    13:45 - Hardware Protocol UART
    16:16 - Protocol: Rules for Communication
    17:20 - Protocols for Hackers
    17:52 - Outro
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Комментарии • 329

  • @konradkos1981
    @konradkos1981 Год назад +438

    Would it be possible if you could describe Threads vs Processes and how Operating systems manage processes? It is one of the more difficult concepts and I think your talent in teaching would be of great use. Other videos confuse more than clarify because they all seem to contradict each other on minor details. You give a great explanation because you describe these concepts on a large scope and abstract away trivialities.

    • @whannabi
      @whannabi Год назад +5

      Good idea

    • @Miles-co5xm
      @Miles-co5xm Год назад +2

      +100

    • @brucewayne2480
      @brucewayne2480 Год назад +5

      Good idea, I'm genrally confused between the real thread (physical) and the virtual one , the meaning of thread in operating systems ,
      When I create a thread in nodejs for example , does it mean that it will wait until a physical thread or virtual one runs it ?
      When I fork a process what happens in my cpu ?

    • @Miles-co5xm
      @Miles-co5xm Год назад +4

      @@brucewayne2480 just to make you more confuse, physical threads don't exist virtually, but virtual threads exists in physical when the realm changes from 3d to 2.5d, which makes os a software running on single thread and multiple virtual cores.

    • @brucewayne2480
      @brucewayne2480 Год назад +2

      @@Miles-co5xm :/ !

  • @skwalex
    @skwalex Год назад +356

    I've never seen anyone explain things as good as you do

  • @viniciusleitepereira5571
    @viniciusleitepereira5571 Год назад +148

    This Deepdive series is fire 🔥
    Keep doing the good work, sir!

    • @LazizbekYusupov92
      @LazizbekYusupov92 8 месяцев назад

      Man, he should go deeper and wider with a complete tutorial on Computer Networks academic level!

  • @belalal1902
    @belalal1902 Год назад +78

    Please make more (Deepdive) videos! They Are great and very informative

  • @jothamprince8765
    @jothamprince8765 Год назад +21

    Hi, I'm a second year computer science student and I cannot stress how much this video was helpful to me, it really came in a time when I was struggling to understand some advanced computer networks concepts, I was actually struggling to design a protocol when I didn't even know what It means, thanks a lot man, the explanation was very good, simple and precise, I really appreciate it

  • @buckwheat2323
    @buckwheat2323 Год назад +10

    I definitely like where these deep dives are headed. You have a wonderful way of boiling down complex subjects. My suggestions would be an exploration of SSL/TLS.

  • @rajatchopra1411
    @rajatchopra1411 Год назад +5

    You made the server concept "click" for me.
    please continue this deepdive series as more topics need to be unraveled like this

  • @anjuro
    @anjuro Год назад +39

    Very informative video! If you end up making more I think going into how networks are structured might be an interesting topic (e.g. locally, when connecting to a website, in a lan configuration etc).

    • @GeorgeValkov
      @GeorgeValkov Год назад +3

      For network protocols, just grab Wireshark and see how they work. So far I implemented a UDP stack and a web server and it was easy. Also WebSocket. As a second step, reading the RFC helps a lot. Reverse engineering is a good way to start.

  • @skeeberk.h.4396
    @skeeberk.h.4396 Год назад +3

    You're warming up to me, Finally Explaining stuff without a passive Condescending Tone , Amazingly Done 👍🏾

  • @nopsep3139
    @nopsep3139 Год назад +6

    I speak Spanish, and having subtitles helps a lot to be able to understand everything you're saying, because I know English, but at a medium level.
    Also the fact that you explain things so thoroughly, starting from the base, makes your content great, I will follow this channel forever and I will always recommend it, among the best alternatives.

  • @anthaguz
    @anthaguz Год назад +1

    This is possibly the best video about this topic I have ever seen, you are excellent at what you do! I appreciate the content and will keep visiting every time I can!

  • @OhMyJawsh
    @OhMyJawsh Год назад +14

    Just an additional bit of information, whenever going into the TCP protocol.
    In the TCP 3-way handshake (SYN, SYN & ACK, SYN), all of those are controlled within the TCP header in a section called "control bits". There's a total of 6 control bits that you can choose from; URG (Urgent, used to indicate packet priority), ACK (Acknowledgement, used to acknowledge connection was successfully established), PSH (Push), RST (Reset the connection when a timeout or error occurs), SYN (Synchronization), and FIN (Used to terminate connection)

  • @bendomino8476
    @bendomino8476 Год назад

    Oh man, I have no words but just an exciting feeling to finally understood or just at least get a glimpse of these fundamental knowledge and not just hacking stuff. Wherever you are, Thank you LiveOverflow.

  • @AuroreSadi
    @AuroreSadi Год назад +3

    Man you make this so fun and easy to digest with the supportive visuals

  • @madmushroom8639
    @madmushroom8639 Год назад +3

    Great video!
    To even dive deeper:
    A very interesting part of TCP is also the Congestion Control to optimize bandwidth utilization. It is still a huge research field at e.g. Google and KIT...

  • @vinaykumar-qe4zx
    @vinaykumar-qe4zx Год назад +3

    This deepdive series is invaluable....please keep doing this

  • @danielh2833
    @danielh2833 Год назад

    Love it! I'm hearing a Telematics lecture this semester and these Videos are a great addition to help my basic understanding of the subject. Thanks :)

  • @king09426
    @king09426 Год назад +6

    This series is proving to be the one is always wished for.

  • @BarraIhsan
    @BarraIhsan Год назад

    I love the deepdive series so much! I never knew about protocol this far!

  • @mrstark7491
    @mrstark7491 Год назад +16

    Great explanation!!!
    Please make more such videos on other networking basic concepts
    Cheers!

  • @Agnubis
    @Agnubis Год назад

    Great video as always. I've often found the concept of protocols a bit enigmatic but this was really helpful!

  • @a.for.arun_
    @a.for.arun_ Год назад

    Thank you so much for this video. Much needed one for me. Please continue this deepdive as a series.

  • @conando025
    @conando025 Год назад +4

    A good topic for a standalone video would be what is a program and what happens when i execute it. Of course that's such a broad topic that no one video can do it justice but i feel like there is a big gap between the layman's understanding (an exe file that just does things when i click on it) to the understanding of the program being run with arguments and then getting loaded into memory and what do all play into this. I don't have to many concrete ideas but from what I can see in my fellow CS first year's is that this something they don't really have a grasp on and just take it a some magic

  • @lethalz4519
    @lethalz4519 Год назад +2

    Wow ! This is a great explantion and i like how you reference the RFC's . Great timing on this changed my whole paradigm on Protocols for life.

    • @JordanPlayz158
      @JordanPlayz158 Год назад

      Anyone who goes through the time to read and implement those protocols (by reading the RFCs) are.... mad lads

  • @Makbetjuz
    @Makbetjuz Год назад

    Thanks for making this video. I hope that my comment from the last deepdive series video about what is a server partially helped you decide on this particular topic :)

  • @Radium_227
    @Radium_227 3 месяца назад

    I have been watching RUclips for a better part of my life and his video's 15 sec intro just made me subscribe love the honesty and motivation.

  • @zFake
    @zFake Год назад

    This is such a great video. It helped me a lot to consolidate my knowledge and to see learning from a new perspective. Thank you.

  • @nicof_2000
    @nicof_2000 Год назад

    Amazing video, I didn't really learn anything new, but your "style" of explaining things is really good.

  • @nikensss
    @nikensss Год назад

    extremely unvaluable content. I would also been very grateful for having content like this available when I was in university. It also helps now to clarify ideas and better understand all these. Thank you very much!

  • @eduardorios6463
    @eduardorios6463 Год назад +1

    I love this format! Awesome video dude 🤙

  • @vietanhlehuu
    @vietanhlehuu Год назад

    Amazing video, the way you explain things is the best. Please make more videos deepdive like this.

  • @nieczerwony
    @nieczerwony Год назад

    As computer/electronic engineer I was fed up with all this protocols/communications like this. UART, I2C, SPI, USB, ZigBee, BT or even CAN, but also many others.
    But with time I understood how much it helps when you go for higher level applications etc.
    GR8 lecture from yourself as usual.

  • @Bananabeacon
    @Bananabeacon Год назад

    Thanks! I love figuring out exactly how things work and this really helped me with that!

  • @a11aaa11a
    @a11aaa11a Год назад +5

    This is useful even for seasoned web developers imo, at least it was for me personally. It's good to re-solidify fundamentals from time to time! I hadn't thought of e.g. the Twitter API as a protocol, but it's obvious in retrospect.

  • @shubham_srt
    @shubham_srt Год назад

    a video that i wish existed back when I was learning protocols, great job !!

  • @tepesalexandru7855
    @tepesalexandru7855 Год назад

    This video was amazing! I took lots of notes from it, you're inspiring!

  • @Zakurbeltza
    @Zakurbeltza Год назад

    Very nice explanation, helpful to capture get a grasp on a big picture about protocols. I am now learning about the in HTB academy and I've found it very insightful. Thanks!

  • @type3gaming851
    @type3gaming851 Год назад

    This is the best explanation I've seen about this topic! Good stuff man

  • @princemehra12
    @princemehra12 Год назад

    I love how you have explained the Protocols

  • @mukaddastaj5223
    @mukaddastaj5223 23 дня назад

    I kid u not, i'm ready to confess my love for you! The way it made so much sense! I always wanted to study programming and software development but ended up majoring in networks & cybersecurity, which is kinda confusing for me😭 you gave me hope i can actually do this

  • @TomKwan
    @TomKwan Год назад

    Very detail but easy to understand video! Thanks

  • @foor
    @foor Год назад

    This was a very good video explaining protocols in the finest details! I would definitely show this to a friend if they asked me about a this.

  • @oufcoufc6700
    @oufcoufc6700 Год назад

    This video is really crazy, clearly explained everything with examples

  • @jingkangloh7710
    @jingkangloh7710 Год назад

    This video is the answer to my search for the question for so long!

  • @mingxingchen3797
    @mingxingchen3797 Год назад

    Many people have understanding problem, so is this the video author. Protocol is just a way of communication between two parties. Very easy to understand. Just like two people meet one say "Hello", the other also say "Hello", one say "how are you doing today", the other say "Pretty good, how about you?"...
    Client and Server in communication have to follow certain protocol to communicate.

  • @satyaranjansahu336
    @satyaranjansahu336 Год назад +2

    Another great explanation!. Kindly make a deep-dive video on OSI Model.

  • @zaheer4511
    @zaheer4511 Год назад

    i think you're gonna finally taught me what networking is all about. I bet your 17 year old self is grateful to you!!!

  • @TheCameltotem
    @TheCameltotem Год назад

    Love this series. More of anything please!

  • @GreenClover0
    @GreenClover0 Год назад

    Very good video. I actually have a short oral exam in two days of how UDP, TCP and some others exactly work and this video was very helpfull :^)

  • @user-ju9qg5po1e
    @user-ju9qg5po1e Год назад

    Thank u for the informative video! It really helps me to understand what is protocol.

  • @mayank-ir7tm
    @mayank-ir7tm Год назад +1

    You have the best explanation skills! Thank you for this!! :)

  • @benfrese3573
    @benfrese3573 Год назад

    More Deepdive please. Amazing content!

  • @techfunwithaadil
    @techfunwithaadil 10 месяцев назад

    This is what i am searching for since 3 months thank you

  • @PotatoGodzilla
    @PotatoGodzilla Год назад +1

    This is amazing as a web developer I'm very grateful for explaining it so well for me!

  • @FRSilent
    @FRSilent Год назад +3

    Charles Petzold's Code is a really great read imo that expands on this & goes over the historical context of shared communication protocols & their evolution. Worth a read! :D

  • @yosiyosiro3866
    @yosiyosiro3866 Год назад

    thank you, this is my favorite segment in this channel. Maybe next you can explain Service Bus, Message Broker, Serialization, Interface, and other jargon in IT that made people confuse. Thanks a lot for video.

  • @Code12x
    @Code12x Год назад +1

    I didn't even watch it yet, but I would have LOVED to have had this video like 4 weeks ago when I started my research paper on Internet Protocols... anyways, can't wait to watch it!

  • @eleos5
    @eleos5 Год назад +1

    I would be very happy if you made more videos like this.

  • @arunprashanna7494
    @arunprashanna7494 3 месяца назад +1

    Thanks for the good video. It cleared many of my doubts.

  • @_TravelWithLove
    @_TravelWithLove Год назад

    Vielen lieben Dank für deine inhaltsreichen und intelligenten Videos !! Educational und wisdoms filled !! Awesome stuff !!
    Greetings from California … Ich wünsche dir euch gute Gesundheit, Erfolg und Freude !! Much Love ✌️😎💕

  • @sanatanharsh
    @sanatanharsh Год назад

    Great video,love it . Would love to see a video about certificates and their working

  • @xB-yg2iw
    @xB-yg2iw Год назад

    These Deepdive videos are awesome keep them coming :)

  • @Filaxsan
    @Filaxsan Год назад

    Such a great explanation! Just...thanks!

  • @jonas.backpacker
    @jonas.backpacker Год назад

    Awesome Video! Thanks for explaining it👍🏻

  • @majdikhalil3927
    @majdikhalil3927 2 месяца назад

    Thank you for the video, really clear !

  • @iftakharhusan
    @iftakharhusan Год назад +1

    Thank you for this awsome explanation. Looking forward to more of these videos from you.

  • @kim92se64
    @kim92se64 Год назад

    Yep, That's what I was looking for !!! Awesome work

  • @whydidyoulie8625
    @whydidyoulie8625 Год назад

    finally! it's all begining to make sense! thank you :)

  • @benjaminehng812
    @benjaminehng812 Год назад

    extremely well explained!

  • @andrewfedorov9198
    @andrewfedorov9198 Год назад

    Wow! Dude. You think exact the same way that I think and I was wondering about such things. I really wanted to get what they really means. Now I get it. Thank you!

  • @HeyHoLetsGo32
    @HeyHoLetsGo32 Год назад

    Trank you so much, helped me relate http with (until yesterday completely unrelated in my Head) UCI or CECP, the Chess engines protocol for communicating with an end User and with another

  • @denni_isl1894
    @denni_isl1894 Год назад

    You are a gifted teacher. Period.

  • @Kugelschrei
    @Kugelschrei Год назад

    Amazing. I will implement networked Multiplayer to the game I am working on next year, this has been a good introduction :)

  • @nickguerra8460
    @nickguerra8460 Год назад

    Great content, thank you for this explainer.

  • @viktoreidrien7110
    @viktoreidrien7110 Год назад

    Excellent video, superb, thank you

  • @ar_prichan
    @ar_prichan Год назад

    your hardworking must be appreciate!

  • @alexandreschaffner8686
    @alexandreschaffner8686 Год назад

    Incredible work 👏

  • @nameless5724
    @nameless5724 Год назад

    Amazing Explations thanks for this.

  • @ananyamishra382
    @ananyamishra382 3 месяца назад

    please never stop making such videos

  • @iHouqLF
    @iHouqLF Год назад

    Great Video! :D
    Another interesting topic for a video would be the OSI Model.

  • @skylo706
    @skylo706 Год назад

    This was a REALLY amazing video, just fantastic

  • @AmisGG
    @AmisGG Год назад

    Great video! Thank you!

  • @velocity7304
    @velocity7304 Год назад

    Thanks this was super helpful!

  • @noctavel
    @noctavel Год назад

    Please continue with this series

  • @ThePowerRanger
    @ThePowerRanger Год назад

    Great video, more of these please.

  • @morganpg
    @morganpg Год назад

    nice! new liveoverflow vid.

  • @realcake1340
    @realcake1340 Год назад

    Thanks for the video!

  • @gambo2003
    @gambo2003 Год назад +1

    Danke für die Erklärung. Frohes Fest und Guten Rutsch 🎊🎆🎈

  • @zew0zz
    @zew0zz Год назад

    Bro I just got into cyber security and I was confused about protocols. This video helped me a lot 🙏🙏

  • @laramieist
    @laramieist Год назад

    Thank you so much! Now if I could just learn how reverse proxies work. I know kinda how they work but always setting one up is so difficult to me.

  • @RafaelBernabeuAbrao
    @RafaelBernabeuAbrao Год назад

    man.... you are awesome!! thanks by sharing the knowledge!!

  • @anatolyvaic6427
    @anatolyvaic6427 Год назад

    Perfect explanation!!!
    Please make videos about SMB or LDAP

  • @Rigel_Kuriom_Mandara
    @Rigel_Kuriom_Mandara 4 месяца назад

    ❤the best explanation I have encountered! Thanks ❤

  • @fms6306
    @fms6306 Год назад

    Very detailed... danke

  • @efkastner
    @efkastner Год назад

    This was awesome! the term that confused / bugged me for the longest time was “pattern”

  • @treemallow757
    @treemallow757 Год назад

    thank you so much bro this series is fireeeee

  • @cerberuspwned
    @cerberuspwned Год назад

    Amazing explaination sir ! Really helpfull for a freshman like me

  • @nikhilsinha2191
    @nikhilsinha2191 Год назад

    the tcp explation was great

  • @IoTivity.
    @IoTivity. Год назад

    Great work thank youuu 😍

  • @harrybilsonia
    @harrybilsonia Год назад +1

    What an amazing video!