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WhatsApp uses a highly modified version of XMPP on an Ejabberd server (more on that later) to communicate with the clients. The XMPP on the client opens an SSL socket to the WhatsApp servers. All the sent messages are queued on the servers until the client opens or reconnects to this socket to retrieve the messages.WhatsApp is based on Erlang, a programming language designed for scalable systems with real-time high availability requirements. From the beginning of WhatsApp, Erlang seemed like the perfect fit. Erlang is simple but highly functional and supports automatic memory allocation for improved performance.WhatsApp is a free app for iPhones, Android smartphones, Macs and Windows PCs. It allows you to send messages, pictures, videos and even voice recordings, and to make voice and video calls over the internet for free, rather than paying to do the same using your mobile network.
How WhatsApp is designed?
WhatsApp is based on Erlang, a programming language designed for scalable systems with real-time high availability requirements. From the beginning of WhatsApp, Erlang seemed like the perfect fit. Erlang is simple but highly functional and supports automatic memory allocation for improved performance.
What system does WhatsApp use?
WhatsApp is a free app for iPhones, Android smartphones, Macs and Windows PCs. It allows you to send messages, pictures, videos and even voice recordings, and to make voice and video calls over the internet for free, rather than paying to do the same using your mobile network.
Whatsapp System Design: Chat Messaging Systems for Interviews
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How does WhatsApp system work?
WhatsApp uses Extensible Messaging and Presence Protocol (XMPP) to exchange data between the users. The protocol is decentralized, secure, and flexible. It can be used to transfer messages both in one-on-one context and in group chats. The company uses XMPP server called ejabberd with a FreeBSD operating system.
Which programming language is used to build WhatsApp?
For WhatsApp, acquired earlier this week by Facebook, the answer is Erlang, a programming language developed in the ’80s that is finally having its moment in the spotlight.
Which database is used by WhatsApp?
The Whatsapp and most chat clients use SQLite (a tiny embedded database software) to store the data, so the chat client does not use any data structure on its own, and just calls the order-by-request query on the database, which gives them the list of chats.
Is WhatsApp written in Java?
Coded using the ERLANG programming language, Whatsapp is the most used with almost 2 billion monthly users. Whatsapp uses the open-sourced Extensible Messaging and Presence Protocol (XMPP) to facilitate instant messages between two parties. Initially, Whatsapp started by using the Ejabbered server.
How WhatsApp works technically PDF?
Incase of multimedia messages, contents (audio, video, pdf, locations, contacts or image) are uploaded into a HTTP server and are linked with the content and then sent to the receiver in the form of a thumbnail. Based on the user’s needs the content can either be downloaded or discarded. XMPP is being used by Whatsapp.
See some more details on the topic whatsapp system design architecture here:
WhatsApp System Design | Slack/FB Messenger … – CodeKarle
In this article, we will look at a high-level system architecture for chat applications like WhatsApp and Facebook messenger. First things first, let’s define …
How would you design WhatsApp ? – LeetCode Discuss
Client Server architecture is preferrable than peer-to-peer for a messaging system. For a simpler understanding consider two users: Mike and Rachel. When Mike …
Design WhatsApp Messenger: System Design Interview …
Whatsapp is a highly scalable system and is accessed frequently by various users across the globe. Hence it should be designed efficiently to remain reliable …
System Design of WhatsApp – OpenGenus IQ
Whatsapp stores messages locally on each client as it would be too unwieldy to download so much information each time from the server. The technology it uses …
What makes WhatsApp unique?
In addition to text messages and smileys, WhatsApp allows users to exchange photos, short voice messages, videos, gifs, and other media files. Sending spreadsheets, PDFs, slideshows and other documents (up to 100 MB) is also possible.
Who is the owner of WhatsApp?
Whatsapp System design or software architecture
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Does WhatsApp use socket programming?
There are many server and client implementations of the protocol including Ejabbered, Openfire, Astrachat etc. So in one sense yes WhatsApp uses TCP sockets, but not directly. After all, for any reliable and self-correcting communication, TCP is the virtually only transport protocol.
Is WhatsApp a TCP or UDP?
RE: whatsapp application
Whatsapp uses TCP 443 (HTTPS) to pass the majority of the connection traffic but it also uses TCP 80 (HTTP). If voice is used, then ports 4244, 5222, 5223, 5228,50318, 59234 & 5242 are used.
Does WhatsApp use TCP?
Ans: WhatsApp uses different TCP and UDP ports. Some of the TCP ports used are TCP 40, TCP 443. Some of the UDP ports used are 34784, 50318, etc.
Is WhatsApp built in Erlang?
Major functions of WhatsApp are implemented in Erlang and they’re actively worked on.
Does WhatsApp use SQL or Nosql?
Whatsapp and most of the chat clients on the client end store all its information on a SQLite database– the location and the structure of the database can vary as per the app.
Why is WhatsApp written in Erlang?
In using Erlang, WhatsApp is part of a larger push towards programming languages that are designed for concurrency, where many processes run at the same time. As internet services reach more people—and juggle more tasks from all those people—such languages become more attractive.
In what language Facebook is written?
| Websites | Popularity (unique visitors per month) | Back-end (Server-side) |
|---|---|---|
| 1,120,000,000 | Hack, PHP (HHVM), Python, C++, Java, Erlang, D, XHP, Haskell | |
| YouTube | 1,100,000,000 | C, C++, Python, Java, Go |
| Yahoo | 750,000,000 | PHP |
| Etsy | 516,000,000 | PHP |
WhatsApp System Design | FB Messenger System Design | System Design Interview Question
Images related to the topicWhatsApp System Design | FB Messenger System Design | System Design Interview Question
Which programming language is used in TikTok?
TikTok was Developed most probably in Python, C, Java and Swift. It is also important to know on what base was TikTok developed in but it is also important to analyze with the use of which latest technology can better-performing app like TikTok be developed today.
Is WhatsApp built on react native?
WhatsApp Clone Using React Native
This is an open source clone of whatsapp using the react-native library maintained by facebook, the goal of this project is to build an application exactly like the original application, however using a different technical approach.
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