WebTransport is a true game-changer for real-time web apps, building atop HTTP/2 and HTTP/3 to deliver multiplexed, bidirectional streams with both reliable and unreliable modes. It smashes through WebSockets’ and gRPC’s limitations by letting clients and servers freely open streams, all wrapped in TLS for rock-solid security and ultra-low latency.
This video walks you through the protocol’s evolution—why HTTP/1.1 can’t keep up, how upgrades and Extended CONNECT work, and even why HTTP/2 Push never took off—before showing you how proxies can handle WebTransport traffic. If you care about backends that hum at web speed, this one’s a must-watch.
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