Low-latency interaction is the design property of a system in which the delay between a user action and the corresponding system response is minimised to preserve a sense of immediacy. In immersive and real-time contexts such as the metaverse, latency below roughly 20 milliseconds is critical to avoid perceptual disconnect and motion sickness. Achieving it requires optimised networking, predictive rendering, and edge computation.
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- Techniques include edge placement of compute, client-side prediction, motion-to-photon optimisation, and prioritised QoS networking. In XR and cloud gaming, exceeding latency budgets degrades presence and can induce discomfort, making latency a hard design constraint rather than a tunable nicety.