How Many Users and Concurrent Connections Can PubNub Support?

PubNub is a prominent Data Stream Network (DSN) designed to support high concurrency and scalability, facilitating millions of connections and processing over 16 trillion transactions monthly across a global network. Its architecture enables seamless real-time deployments with up to 100 million concurrent connections, backed by a distributed edge infrastructure and horizontal scalability to handle traffic spikes. PubNub ensures secure, low-latency message delivery through efficient protocols like WebSocket and HTTP/2, channel multiplexing, and elastic infrastructure, promising 99.999% uptime and reliability with redundancy mechanisms. It is utilized across diverse sectors, including multiplayer gaming, IoT platforms, and live events, to maintain real-time interactivity for millions of users. Developers can optimize their applications by considering message size limits, rate limits, and SDK optimizations, while PubNub provides technical support for unique scaling requirements, solidifying its role as a dependable solution for large-scale, real-time applications.

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