What technology does Zoom use?
Zoom's video conferencing platform is built upon a diverse and robust technology stack, integrating various programming languages, frameworks, and protocols to deliver high-quality, reliable, and scalable communication services.
1. Front-End Technologies:
-
Desktop Applications:
- Windows: Developed using C, C++, and C#.
- macOS: Utilizes Swift and Objective-C.
-
Mobile Applications:
- iOS: Built with Swift and Objective-C.
- Android: Implemented using Java and Kotlin.
-
Web Application:
- Employs HTML, CSS, and JavaScript, with frameworks like React.js and Angular.js enhancing user interface and experience.
2. Back-End Technologies:
-
Programming Languages:
- Primarily uses C, C++, and Java for core functionalities.
-
Protocols:
- Supports multiple network protocols, including UDP, TCP, and SSL, to ensure robust and flexible connectivity.
-
Multimedia Routing:
- Employs a distributed architecture with Multimedia Routers (MMRs) to efficiently handle audio and video streams, enhancing scalability and performance.
3. Cloud Infrastructure:
-
Data Centers:
- Operates a global network of data centers interconnected through private links, providing low-latency access and high availability.
-
Cloud Services:
- Utilizes cloud providers like Amazon Web Services (AWS) and Oracle Cloud for storage, computing, and networking resources.
4. Security and Encryption:
- Encryption Standards:
- Implements TLS 1.2 with AES-256 encryption for signaling and AES-128 for media streams to ensure secure communications.
5. Application-Layer Quality of Service (QoS):
- Incorporates proprietary QoS solutions at the application layer to optimize audio, video, and screen-sharing experiences across diverse devices and network conditions.
This comprehensive integration of technologies enables Zoom to deliver a seamless and efficient video conferencing experience to users worldwide.
TAGS
System Design Interview
CONTRIBUTOR

Arslan Ahmad
ex-FAANG engineering manager and author or Grokking series.
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