What Is A CDN? How Does It Work?
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- Опубликовано: 8 сен 2024
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One of my favorite channels in here, not a single second is wasted!
Agree bro
yes, best I found about system design
1. CDN can provide protection for DDos attaction.
2. CDN has high availability.
3. CDN can reply to user’s requestion from the nearest PoP.
thanks a mill for this content! very easy to understand, especially for someone who had no idea about what CDN is and is now working with it
Very happy to learn about the CDN auto-minification of js files! Now we can remove minification on our local & build servers to get quicker development feedback loops (and not burn cpu for no good reason), and still have the benefit of the CDN doing minification :D
You are right. Having to minify locally for production and beautify back for development can be a pain
Thanks a lot. You use the most basic way to tell us what CDN is.
Excellent video thanks. I appreciate the mention of dns vs anycast implementation and the ddos advantage anycast has.
i love the new dark mode, please keep it up
Amazing job and totally agree with that not a second is wasted with these high-information quick videos. One quick question, could you clarify the TLS conversion part?
So the client to VPN uses TLS but then how does the CDN communicate in an encrypted but more performant way to the central servers? AFAIK TLS is an encrypted tcp communication. Is there a more performant encryption layer used between CDNs and the origin servers?
I believe persistent connections can be used to reduce the latency between the EDGE servers and origin server in case of cache miss. SSL termination is definitely another plus in case the persistent connection is expired.
Short and crispy explaination.
Thank you very much for explaining what CDN is
good imaging along with the explanation
Great Video! Do you create all of the vector graphics yourself in illustrator? Must be a lot of work for each video!
Good teacher with a good voice for it!
Excellent and precise content! Shoutout to the creators
Great content always. This channel will hit 1 million very soon
Always to the point.
What is more, you are explaining how Users connect to the CNDs PoPs (DNS Base Routing, Anycast, etc). Other "longer" videos explain only that "is good to have resources close to the user" and nothing more.
Great content ❤
good line!
Fantastic Explanation 👏
Along with excellent explanations I would be lying if I said the graphics did not help... amazing, yet not "in your face" with flashiness. Someone might call it a perfect balance :)
Спасибо за отличный контент и привет вам из Сочи
Precise and straight to the point. Good stuff.
Thank you for this free and qualified information
Does terminating SSL at the PoP open any other security issues? Man in the middle attack for un-cached files, intercepting the request inside the CDN, and replacing the valid content with your own malicious content?
Or is this mitigated by most CDNs having their own internal network, where interception is mostly impossible?
The CDN provider itself could sniff your traffic but other tenants won't be able to, barring a security breach. If you're extra paranoid you could perform application level encryption too. You'll still avoid the handshake latency overhead while retaining privacy/integrity.
Good question! I was wondering about the same thing. 🤔
What tool do you use for animated schematic?
That is honestly quite a good question. Now that you mention it, I would be curious too.
Never thought of it before.
Replying to get notification
😅
The perfect video to understand the topic
Theta Network & Blockchain technology will do this much better in the near future #4K #VR #THETA
Thank go I discovered this cahannel! Love it
Please create a full course
What is the advantage or using DNS over anycast?
Thanks for the video, I think slightly more long format (in the 10-15 minutes range) might be beneficial for technical videos like these, in 4 minutes you can just draw the big lines, but it might takes time to do all of those animations
Love your content, please continue the good work
excellent graphical animations
Good Job..Good explanation.
l always wait for your videos.
So Can we build a self-hosted CDN with a bunch of VPS and Nginx as a reverse proxy and cache system?
Fantastic work! thank you sir
he is 3B1B for system design
That's one heck of an accurate analogy
Great job! Thanks a lot
how you make such awesome animation , keep it up ❤🔥
Thanks for insightful video, would you be able to tell, which software do you use to prepare your presentations
Thank u so much for this video👍
Amazing🤩🤩as usual 👌
What is the software used in making animation and editing?
Thanks for great video altho i have a question,
The company that provide that service should make CDN around the world for faster delivery or each country can decide to make CDN to faster connection for people in that area?
To the point... Thank you 😊
Great video !
Great content sensei
Great video.
Good content as usual
What software was used to make those animation?
@bytebytego could you please let us know what tool do you use to make the animation part of the video? Highly appreciate your response. Thanks in advance!
It's actually one of the most common questions here:) It's After Effects.
@@ARmy2510 awesome, thanks a lot buddy! Appreciate your response!
what is content cache? when u explain new term please explain what term is that
Can a cdn be used to prevent invalid traffic on a website?
Are all these pop's.. Are they deployed by the company themselves through cloud or what is the process?
How does live streaming over CDN works?
That's a good subject for another video! 😎✌🏼
Scarlett Haven
Content Delivery Network with PoP (Point of Presence) servers with optimizations to make HTTP serving faster and more reliable
1. Caching
2. JIT compaction
3. DoSS defection
4. High Availability
5. TLS (expensive) termination
nice~
Carson Cape
what software was used to create this video?
How can i design my own DNS system for my website.
Who controls those pop/edge servers?
Ofc there is no answer.... ask you why
And i thought i know use cases for CDN :D
Kautzer Mountain
How can the person or people who have those CDN servers get profit? I think people use it for free.
Not free. Commercial CDN charges its customer for its service.
Boring
What tool do you use for animated schematic?
Illustrator I believe.