How Does NetFlix,Amazon Prime Video,Hotstar Work?

We use Content services like Netflix & Amazon Prime on a Daily basis. But have you ever wondered how do these services work constantly to provide content to many people at once? So in this article let's understand how Netflix, Amazon Prime, Hotstar Works?

How does NetFlix, Amazon Prime Video Work?

Netflix, a service that streams around 250 million hours of video per day to around 98 million paying subscribers in 190 countries. At this scale, providing quality entertainment in a matter of a few seconds to every user is no joke. And as much as it means building top-notch infrastructure at a scale no other Internet service has done before, it also means that a lot of participants in the experience have to be negotiated with and kept satiated — from production companies supplying the content to internet providers dealing with the network traffic Netflix brings upon them. Netflix, Amazon Prime, Hotstar, Sony LIV, and many other services account to around roughly  40% of the internet consumption in the world.


So basically to serve content at this large scale a company cannot remain dependant on a single server that stores the video files. So for this purpose, they use CDN(Content Delivery Network) which is basically a chain of multiple servers that are installed at various locations around the world that deliver Movies to your Smartphones and Computers through Data Packets that are encrypted using a method called WideVine.WideVine is used to encrypt these data packets so that only an authorized user can stream videos. The multiple server systems ensure that the content is delivered to you in the shortest possible time without any latency and also provides for backups of the content in case of server failures. For all of the searching and other tasks that you do on these services they generally use Amazon Web Services(AWS) Platform for this purpose.



These companies maintain their servers and update their content library at regular intervals so that the user gets updated content.
Netflix estimates that it uses around 700 microservices to control each of the many parts of what makes up the entire Netflix service: one microservice store what all shows you watched, one deducts the monthly fee from your credit card, one provides your device with the correct video files that it can play, one takes a look at your watching history and uses algorithms to guess a list of movies that you will like, and one will provide the names and images of these movies to be shown in a list on the main menu. And that’s the tip of the iceberg. Netflix engineers can make changes to any part of the application and can introduce new changes rapidly while ensuring that nothing else in the entire service breaks down.




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