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[Elijah Murphy]

Jitter buffering is fundamentally a latency-vs-stability negotiation, and most competitive players completely misunderstand where the tradeoff lives. A static buffer set to 40-60ms sounds safe on paper, but you’re committing that delay permanently regardless of actual network conditions, which is lethal in a fast TTK shooter where 40ms of input lag is the difference between winning and dying. The smarter approach is a dynamic buffer that samples recent RTT variance and adjusts on the fly—targeting the lowest buffer that keeps packet reorder rate under ~2-3%. In my benchmarking, dynamic smoothing held steady at 15-20ms buffers during stable runs and only expanded to 35ms+ during actual network congestion, which is dramatically better than a flat 50ms preset. The catch is the algorithm’s reaction time: if it’s too aggressive, it chases every minor RTT spike and creates a sawtooth delay pattern that’s worse than a static buffer because your game client can never settle.

On the hardware side, most of the jitter you see at low latencies isn’t coming from your ISP—it’s CPU scheduling and NIC processing variance. I disable TCP/UDP offloading flags in

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