Comcast drafts Apple, Nvidia, Valve for low latency cable trial

US cableco Comcast has brought in some heavy hitters to take part in its trial of low latency DOCSIS (LLD).
LLD has existed since 2019. It was developed by non-profit R&D outfit CableLabs, and is based on the Internet Engineering Task Force (IETF)’s Low Latency Low Loss Scalable Throughput (L4S) standards, which specify a particular method for how networks process data packets originating from latency-sensitive applications.
App developers that support L4S can mark their data traffic a