LGTM On Wed, Nov 4, 2026 at 5:40 AM Chromestatus <[email protected]> wrote:
> *Contact emails* > [email protected], [email protected], [email protected], > [email protected] > > *Explainer* > *No information provided* > > *Specification* > https://datatracker.ietf.org/doc/draft-hancke-tsvwg-snap > > *Summary* > WebRTC Data Channels use the Stream Control Transmission Protocol (SCTP) > over a Datagram Transport Layer Security (DTLS) association. The standard > SCTP connection establishment requires a handshake that introduces latency. > A new Internet draft specifies a method to accelerate the datachannel > establishment by embedding the SCTP initialization parameters within the > Session Description Protocol (SDP) offer/answer exchange. This reduces the > time required to open a data channel by up to two network round-trip times. > > *Blink component* > Blink>WebRTC>DataChannel > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebRTC%3EDataChannel%22> > > *Web Feature ID* > webrtc <https://webstatus.dev/features/webrtc> > > *TAG review* > n/a, part of WebRTC covered by IETF drafts > > *TAG review status* > Not applicable > > *Origin Trial Name* > WebRTC Data Channel: SCTP Negotiation Acceleration Protocol (SNAP) > > *Goals for experimentation* > This feature should be gated until the IETF has had a chance to adopt the > current draft into a WG and we know whether changes will be required. > > *Chromium Trial Name* > WebRtcSctpSnap > > *Origin Trial documentation link* > https://datatracker.ietf.org/doc/draft-hancke-tsvwg-snap > > *WebFeature UseCounter name* > kRTCSctpSnapNegotiated > > *Risks* > > > *Interoperability and Compatibility* > *No information provided* > > *Gecko*: No signal > > *WebKit*: No signal > > *Web developers*: No signals > > *Other signals*: > > *WebView application risks* > > Does this intent deprecate or change behavior of existing APIs, such that > it has potentially high risk for Android WebView-based applications? > *No information provided* > > > *Reason this experiment is being extended* > Presented the IETF 126 TSVWG (and asked for agenda time at the upcoming > one), list discussion is at > https://mailarchive.ietf.org/arch/msg/tsvwg/Kuq5b8FrZe0kDDkFw6NY77QP6Ww/ > The only remaining open issue is how this gets represented in the SDP, > which is expected to be settled by the next IETF meeting. Positive > deployment feedback from Microsoft (improvement of 23% in P50 and 22% on > P90 Transport setup latency) > https://github.com/fippo/warp-snap-sped/issues/21#issuecomment-6308379637 > and mention in the OpenAI blog post: > https://openai.com/index/continuous-voice-interaction-with-gpt-live/ > > *Ongoing technical constraints* > *No information provided* > > *Debuggability* > *No information provided* > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > No > > > *Flag name on about://flags* > *No information provided* > > *Finch feature name* > WebRtcSctpSnap > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.webrtc.org/issues/426480601 > > *Measurement* > The UMA WebRTC.PeerConnection.NegotiatedSctpSnap is measured at connection > setup, allowing measurement of the percentage of connections using the > feature. > > *Estimated milestones* > Origin trial desktop first 151 > Origin trial desktop last 156 > Origin trial extension 1 end milestone 162 > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5137946677215232?gate=4906997945335808 > > *Links to previous Intent discussions* > Intent to Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADxkKiJJzDXOUwYx%3DznrQz1hPkZCZnNWOAucF%2BK%3DoSymgGyDFA%40mail.gmail.com > > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com>. > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6aeb35dd.95dfa6d9.3d0ae5.0276.GAE%40google.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6aeb35dd.95dfa6d9.3d0ae5.0276.GAE%40google.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOMQ%2Bw-SWxiasmqxHVeqvc5gTe1TrcspeY4MnmVUi3y9u9q1KQ%40mail.gmail.com.
