SDP has been a frequent topic, both here on webrtcHacks as well as in the discussion about the standard itself. Modifying the SDP in arcane ways is referred to as SDP munging. This post gives an introduction into what SDP munging is, why its done and why it should not be done. This is not […]
Search Results for: simulcast
Is everyone switching to Unified Plan?
Review of Chrome’s migration to WebRTC’s Unified Plan, how false metrics may have misguided this effort, and what that means moving forward.
How Zoom’s web client avoids using WebRTC (DataChannel Update)
Editor’s Note: This post was originally published on October 23, 2018. Zoom recently started using WebRTC’s DataChannels so we have added some new details at the end in the DataChannels section. Zoom has a web client that allows a participant to join meetings without downloading their app. Chris Koehncke was excited to see how this […]
Bisecting Browser Bugs (Arne Georg Gisnås Gleditsch)
When running WebRTC at scale, you end up hitting issues and frequent regressions. Being able to quickly identify what exactly broke is key to either preventing a regression from landing in Chrome Stable or adapting your own code to avoid the problem. Chrome’s bisect-builds.py tool makes this process much easier than you would suspect. Arne […]
Improving Scale and Media Quality with Cascading SFUs (Boris Grozev)
Deploying media servers for WebRTC has two major challenges, scaling beyond a single server as well as optimizing the media latency for all users in the conference. While simple sharding approaches like “send all users in conference X to server Y” are easy to scale horizontally, they are far from optimal in terms of the […]