Better user experience and expand your accessibility to WhatsApp
Now, let’s see how does WhatsApp works for users. WhatsApp helps you communicate with contacts in your phonebook. You can send text messages, pictures and other media files through WhatsApp. It also enables you to call your contacts both via voice and video. Whatsapp works on data and there is no cost for the same. You can also connect to Wifi and use Whatsapp for free. It runs on various phones like Android, Blackberry, Symbian, iPhones, Windows and more. All you have to do is register with your name and phone number and you’re a member of the network.
If you’re someone who wants to start your own venture like WhatsApp it is very important to know how does WhatsApp work. Here, we will discuss the technical background of WhatsApp. Also how it supports billions of connections simultaneously.
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Whatsapp uses ejabberd server, it enables message transfer instantly between two or more user. All the data transfer takes place on a real-time basis. XMPP ie. Extensible Messaging and Presence Protocol have been to make sure that the app gets the best network security. It also supports encrypted messaging.
The programming language used to code WhatsApp is Erlang. This is the best language to code any messaging service. Erlang is also preferred more because it is adaptable to instant updates and changes. You can fix bugs very easily in Erlang. Various changes were made and the code was reconstructed in ejabberd to reach optimal performance.
WhatsApp enables billions of conversations to take place simultaneously. The smooth processing of the same lies in the message queue length that the app can support. WhatsApp uses XMPP as it’s primary protocol. HTML5 WebSockets is also used to support two-way communication.
WhatsApp uses Mnesia DB for handling the heavy-duty database management. Mnesia is a multi-user distributed DBMS. Erlang has the same as it’s default DB. Mnesia is the best to use for database management because it enables quicker request responses. This results in enhanced overall performance of the application. YAWS is used to store multimedia files.
