WhatsApp is one of the most popular messaging applications in the world. It is used by millions of people every day to stay connected with friends, family, and colleagues. It has become an integral part of our lives and offers features such as voice and video calling, group chats, file sharing, etc.
But when it comes to how WhatsApp works, many people are unaware of its underlying technology. In this article, we will discuss whether WhatsApp uses UDP (User Datagram Protocol) or not.
What is UDP?
UDP is one of the core protocols of the Internet Protocol Suite. It is a connectionless protocol which means that it does not require a connection between the sender and receiver for data transfer. This makes it faster than other protocols such as TCP (Transmission Control Protocol) which requires an established connection for data transmission.
How Does WhatsApp Use UDP?
WhatsApp uses UDP for its Voice over IP (VoIP) calls. VoIP calls are essentially phone calls made over the internet instead of through traditional telephone networks. When you make a call on WhatsApp, your audio data is sent over UDP from your device to your contact’s device in real-time.
The audio data travels through multiple computers between your device and your contact’s device before reaching its destination. This process happens very quickly and without any disruptions due to the speed offered by UDP protocol.
Does WhatsApp Use Other Protocols?
Apart from using UDP for VoIP calls, WhatsApp also uses TCP (Transmission Control Protocol). TCP is a connection-oriented protocol which means that both sender and receiver need to establish a connection before any data can be transferred between them.
TCP is used by WhatsApp for message delivery and file transfers as it ensures that all data packets reach their destination without any loss or corruption while providing reliability and security at the same time.
Conclusion:
Yes, WhatsApp does use UDP for its Voice over IP (VoIP) calls as it offers faster speeds than other protocols such as TCP (Transmission Control Protocol). Apart from using UDP for VoIP calls, WhatsApp also uses TCP for message delivery and file transfers as it ensures reliability and security at the same time.