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web-platform-tests / interop

web-platform-tests Interop project
https://wpt.fyi/interop
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WebTransport API #816

Open o-t-w opened 3 weeks ago

o-t-w commented 3 weeks ago

Description

The WebTransport API provides a modern alternative to WebSockets, transmitting data between client and server using HTTP/3 Transport. WebTransport provides support for multiple streams, unidirectional streams, and out-of-order delivery. It enables reliable transport via streams and unreliable transport via UDP-like datagrams.

Specification

https://w3c.github.io/webtransport/

Additional Signals

WebTransport is enabled in Firefox and Chrome/Edge/Samsung Internet. WebKit have expressed a positive position on the standard. Some initial work was merged on WebKit’s implementation.

Firefox bug Chromium bug

Tests: https://wpt.fyi/results/?label=master&label=experimental&aligned&view=subtest&q=webtransport

mehagar commented 1 week ago

Of particular interest to me is the congestionControl parameter: https://developer.mozilla.org/en-US/docs/Web/API/WebTransport/congestionControl , which would make it possible to specify the congestion control would be optimized for low latency solutions. This is relevant if WebTransport is to replace use of WebRTC DataChannels for media transport.