WebTransport is a next-generation protocol that brings real-time, bidirectional communication to the web by leveraging HTTP/2 and HTTP/3. With built-in TLS security, it lets you multiplex multiple streams—both reliable and unreliable—over a single connection, opening the door to everything from file transfers to ultra-low-latency gaming or live streaming.
By combining the best of transport and web tech, WebTransport removes many of the limitations of WebSockets and gRPC, adds true server-push capabilities, and makes upgrading an existing HTTP/2 or HTTP/3 setup seamless. It’s a game-changer for building dynamic, interactive backends without reinventing the wheel.
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