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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 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.
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 technology does WhatsApp use for chat?
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.
Whatsapp System Design: Chat Messaging Systems for Interviews
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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.
What is instant messaging architecture?
The basic Instant Messaging architecture provides such functionality as chat, news alerts, and conferences. To provide this basic functionality, you need to install the following components: Instant Messaging server and one or more Instant Messaging multiplexors. Instant Messaging resources.
What is WhatsApp system architecture?
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.
What is the coding of WhatsApp?
ERLANG is the programming language used to code WhatsApp.
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.
See some more details on the topic whatsapp system design and chat messaging architecture here:
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.
Design Instant Messenger – WhatsApp – Tech Takshila
The required features of this instant messenger application can be modeled using two micro-services: Chat service and Transient service. The Chat Service will …
WhatsApp System Design | Slack/FB Messenger … – CodeKarle
Should support one-on-one chats · Should support group chats · Should have image, video and file-sharing capabilities · Should indicate read/receipt of messages …
Design WhatsApp Messenger: System Design Interview …
We’ll also be discussing WhatsApp’s generic architecture, which could also be used as a base for designing any such chat application.
Does WhatsApp use XML?
Does WhatsApp use XML? Ans: Yes WhatsApp uses XML layout. It contains 2 XML Layouts respectively for the incoming and outgoing audio messages.
How WhatsApp web works technically?
The WhatsApp web client uses your phone to connect and send messages – in a sense, everything is mirrored. Your web session stays active as long as your phone has a connection to the internet. This also means that your phone’s data connection is constantly being used.
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.
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.
Whatsapp System design or software architecture
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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.
Is WhatsApp instant messaging?
WhatsApp Messenger is a cross-platform instant messaging application that allows iPhone, Blackberry, Android, Windows Phone and Nokia smartphone users to exchange text, image, video and audio messages for free. WhatsApp is especially popular with end users who do not have unlimited text messaging.
What are different types of instant messaging?
- Email Messengers. This is one of the most popular instant messaging services that are available today. …
- Social Media Messenger. …
- Instant Video Messaging App. …
- Freeware and Cross-Platform Instant Messaging for Smartphone.
How is instant messaging different from chatting?
Chat vs.
Many chat rooms focus on a particular topic or interest. IM usually includes a list of your contacts, called a Buddy List or Friend List, which allows you to see who is online. IM is especially suited for one-on-one communication, but it’s possible to send messages to multiple people at once.
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.
What do you know about system design?
Definition: System design is the process of defining the components, modules, interfaces, and data for a system to satisfy specified requirements. System development is the process of creating or altering systems, along with the processes, practices, models, and methodologies used to develop them.
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 automate WhatsApp in Python?
- Step 1: Install pywhatkit. …
- Step 2: Send a message to a contact on WhatsApp. …
- Step 3: Send a message to a group on WhatsApp. …
- 3 Ways to Use Enigma’s Small Business Data. …
- 10 Python Automation Scripts for Everyday Problems.
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.
System Design : Design messaging/chat service like Facebook Messenger or Whatsapp
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How are WhatsApp messages stored in database?
By default, WhatsApp for Android automatically creates a daily backup of your conversations and stores them in the WhatsApp folder on your phone’s internal memory or microSD card.
Which database is best for chat application?
Provided the assumption that you need a database to store the chat messages exchanged through your Bluetooth Chat Application locally on an android device, I would suggest you to use SQLite. SQLite is an open source light weight database which is already embedded in android operating system.
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