What is a Protocol? (Deepdive)

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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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Опубликовано:

16 июн 2024

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Комментарии : 328

@skwalex Год назад

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

@uwiqgfu7epvnsbnld259 Год назад

because he really understands it xD

@konradkos1981 Год назад

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 Год назад

Good idea

@Miles-co5xm Год назад

+100

@brucewayne2480 Год назад

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 Год назад

@@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 Год назад

@@Miles-co5xm :/ !

@belalal1902 Год назад

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

@viniciusleitepereira5571 Год назад

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

@LazizbekYusupov92 8 месяцев назад

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

@jothamprince8765 Год назад

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

@anthaguz Год назад

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!

@buckwheat2323 Год назад

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.

@AuroreSadi Год назад

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

@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.

@nopsep3139 Год назад

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.

@vinaykumar-qe4zx Год назад

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

@skeeberk.h.4396 Год назад

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

@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 :)

@BarraIhsan Год назад

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

@madmushroom8639 Год назад

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...

@lethalz4519 Год назад

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 Год назад

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

@a.for.arun_ Год назад

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

@OhMyJawsh Год назад

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)

@Agnubis Год назад

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

@Radium_227 3 месяца назад

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

@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!

@king09426 Год назад

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

@vietanhlehuu Год назад

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

@nicof_2000 Год назад

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

@mrstark7491 Год назад

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

@rajatchopra1411 Год назад

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

@techfunwithaadil 10 месяцев назад

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

@jingkangloh7710 Год назад

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

@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 :)

@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.

@shubham_srt Год назад

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

@eduardorios6463 Год назад

I love this format! Awesome video dude 🤙

@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!!!

@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.

@Bananabeacon Год назад

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

@oufcoufc6700 Год назад

This video is really crazy, clearly explained everything with examples

@tepesalexandru7855 Год назад

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

@TheCameltotem Год назад

Love this series. More of anything please!

@princemehra12 Год назад

I love how you have explained the Protocols

@type3gaming851 Год назад

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

@TomKwan Год назад

Very detail but easy to understand video! Thanks

@whydidyoulie8625 Год назад

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

@kim92se64 Год назад

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

@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!

@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.

@benfrese3573 Год назад

More Deepdive please. Amazing content!

@PotatoGodzilla Год назад

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

@user-ju9qg5po1e Год назад

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

@xB-yg2iw Год назад

These Deepdive videos are awesome keep them coming :)

@denni_isl1894 Год назад

You are a gifted teacher. Period.

@arunprashanna7494 3 месяца назад

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

@mayank-ir7tm Год назад

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

@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.

@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.

@_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 ✌️😎💕

@mukaddastaj5223 20 дней 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

@a11aaa11a Год назад

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.

@gambo2003 Год назад

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

@Filaxsan Год назад

Such a great explanation! Just...thanks!

@iftakharhusan Год назад

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

@conando025 Год назад

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

@jonas.backpacker Год назад

Awesome Video! Thanks for explaining it👍🏻

@Code12x Год назад

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!

@majdikhalil3927 2 месяца назад

Thank you for the video, really clear !

@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 :^)

@anjuro Год назад

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 Год назад

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.

@skylo706 Год назад

This was a REALLY amazing video, just fantastic

@ananyamishra382 3 месяца назад

please never stop making such videos

@sanatanharsh Год назад

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

@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

@FRSilent Год назад

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

@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!