Comcast is deploying "Low Latency, Low Loss, Scalable Throughput" (L4S) technology across its Xfinity internet network in six U.S. cities, a system that reduces the time data packets take to travel between users and servers. Initial trials showed a 78% reduction in working latency under normal home conditions. The technology will first support FaceTime calls, Nvidia's GeForce Now cloud gaming, and Steam games, with planned expansion to Meta's mixed reality applications.

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