Think of WebTransport as WebSockets on steroids: it brings true multiplexing, reliable and unreliable streams, and secure bidirectional comms over HTTP/2 and HTTP/3, all wrapped in TLS. It sidesteps the latency, push and notification headaches of WebSockets, gRPC and HTTP/2 push.
By riding on existing HTTP/2/3 deployments, WebTransport offers a future-proof way to build low-latency, real-time apps—from gaming and live video to dashboards—without the hacky workarounds of older protocols.
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