抖动是QOS里面常用的一个概念,其意思是指分组延迟的变化程度。
但也可能引起网络路径上流量占用和网络抖动问题。
But traditional way will significantly increase traffic occupation and jitter problems.
所以网络接入中你在为三件事买单:带宽、延迟和抖动。
So you pay for three things in network access: bandwidth, latency, and jitter.
为了使延迟和抖动减到最小,网络设备必须能够在语音数据包一到达时就进行处理,换句话说,就是严格的优先级方式。
To minimize delay and jitter, the network devices must be able to service voice packets as soon as they arrive, or in other words, in strict priority fashion.
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