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WebRTC vs. WebSockets: Choosing the Right Real-Time Protocol

A comprehensive technical comparison between WebSockets (TCP client-server) and WebRTC (UDP peer-to-peer) for real-time web applications.

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Osvaldo Luna
Last Updated: August 14, 2026 ⏱️ 9 min read

WebSockets: Persistent TCP Streams

WebSockets provide full-duplex client-server streams over a single TCP connection, ideal for centralized chat, notifications, and financial tickers.

WebRTC: Direct UDP Channels

WebRTC enables sub-millisecond latency peer-to-peer data and media pipelines directly between browsers, bypassing server bandwidth costs.

About the Author & Editorial Standards

OL

Osvaldo Luna

Lead Web Architecture & Software Security Specialist

Osvaldo Luna is a software engineer and web specialist with over 8 years of experience in high-performance client-side web applications, in-browser cryptography, and data privacy.

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