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Which architecture is used in WhatsApp?
Android: Java. iOS: Swift. Windows Phone: C# Web app: JavaScript/HTML/CSS/
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.
Whatsapp System Design: Chat Messaging Systems for Interviews
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What is the system of WhatsApp?
WhatsApp uses your phone’s cellular or Wi-Fi connection to facilitate messaging and voice calling to nearly anyone on the planet, alone or in a group, and is especially nice for families and small collaborative workgroups. The app lets you make calls, send and receive messages, and share documents, photos, and videos.
Does WhatsApp use Microservices?
As I mentioned above there are microservices to handle the WhatsApp process and this process is handle by one microservice we can name it as Last Seen Service. So Last Seen service stores online details of each user in the Cloud Database table saying that This user’s last online time is this time.
How WhatsApp database works?
How Does Whatsapp Database Work? All messages sent by WhatsApp are stored in a database file in crypt form, meaning no one can read them. All the data in WhatsApp’s database is encrypted using crypt2, crypt5, crypt7, crypt8, so no one can read the messages.
What backend does WhatsApp use?
WhatsApp server is almost completely implemented in Erlang. Server systems that do the backend message routing are done in Erlang. Great achievement is that the number of active users is managed with a really small server footprint. Team consensus is that it is largely because of Erlang.
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.
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Understanding WhatsApp’s Architecture & System Design
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Whatsapp System design or software architecture. And here are some sample architecture diagrams from the above sites: whatsapp-design-1.png …
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.
How WhatsApp works medium?
When we share a media, it gets uploaded to an HTTP Server over a different connection, after successful upload, the HTTP server returns a hash or unique ID associated to that media and that hash value is sent to the WhatsApp server.
Why WhatsApp uses 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.
How does WhatsApp work without Wi-Fi?
It’s worth noting that if you’re not connected to wi-fi, WhatsApp will use your mobile data connection. This means that the data you use by using WhatsApp may be deducted from the allowance included as part of your contract (as a guide, a 10-minute video call uses 5MB of mobile data).
Whatsapp System design or software architecture
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Who designs WhatsApp?
WhatsApp was founded by Jan Koum and Brian Acton who had previously spent 20 years combined at Yahoo. WhatsApp joined Facebook in 2014, but continues to operate as a separate app with a laser focus on building a messaging service that works fast and reliably anywhere in the world.
Does WhatsApp use load balancer?
In a WhatsApp scenario, we are all connected to multiple messaging servers which are horizontally scaled. Multiple servers which are horizontally scaled are not enough to handle the load of WhatsApp users, so a load balancer was added.
Is WhatsApp client a server?
WhatsApp or most of the other messaging apps rarely work on a peer-to-peer basis. So it wouldn’t open a connection (from your device) to each of your friends’ devices. Instead, your device connects to their server. It could then use a custom TCP protocol or maybe HTTP to communicate your messages to the server.
Does WhatsApp connect to a database?
The WhatsApp Business API client can use MySQL or PostgreSQL to store data. You can configure the database settings by setting the following environment variables in the db. env file when installing the WhatsApp Business API client.
Does WhatsApp store messages in database?
In WhatsApp, all the data will be stored in your device. Any message and image will get stored in your phone. Both chat history and images will be stored in a database on the device and images will be visible through the gallery within a folder named WhatsApp.
What is the best database for chat application?
For storing your data i suggest you use MongoDB or MYSQL. If you use Node JS as backend engine then use MongoDB. Because when you combine Node JS with MongoDB your data exchange process will be very efficient. If you use others as a backend engine then use MYSQL or other RDMS.
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.
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.
What code is WhatsApp written in?
| Stable release(s) [±] | |
|---|---|
| Written in | Erlang |
| Operating system | Android, iOS, KaiOS (There are also Mac OS, Windows and web app clients that work only when connected to the mobile app client.) |
| Size | 178 MB (iOS) 33.85 MB (Android) |
| Available in | 40 (iOS) and 60 (Android) languages |
WhatsApp System Design | FB Messenger System Design | System Design Interview Question
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In what programming language is WhatsApp written?
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 |
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