It’s easy to detect when the communication channel is occupied because there are only two users of this channel. When computer A wants to send a message to computer B, it transfers the data through the port where the cable is connected to. The solution is simple - wire them and the job is done: The grey line is an Ethernet cable Let’s say we have two computers that should communicate with each other: Try to imaging that these shapes are real computers
DIFFERENCE BETWEEN CDN AND GLOBAL BACKBONE NETWORK SERIES
In this small series of articles, we are going to share this knowledge with you and explain the magic behind CDN. In Uploadcare we offer our clients a CDN along with other optimizations, and we know a lot about the technologies that are used to make content delivery fast, reliable, and secure. Easy-peasy.” Yeah, but how does it happen if we use the only domain name for the content? You might say, “Well, when a user loads files from CDN, they are loaded from the nearest server to this user.
When you think about it, you probably agree with the fact that CDNs make the user experience better, because they speed up website loading. We may not be able to make the packets travel faster, but we can reduce the distance by strategically positioning our servers closer to the users! Leveraging a CDN to serve your data can offer significant performance benefits.
In this book author writes the following about CDNs:Ĭontent delivery network (CDN) services provide many benefits, but chief among them is the simple observation that distributing the content around the globe, and serving that content from a nearby location to the client, enables us to significantly reduce the propagation time of all the data packets. There is a great book called “High Performance Browser Networking” by Ilya Grigorik that contains basic knowledge about networking and data transfer optimizations.
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