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explain why latency explodes near saturation.

الموضوعات المخطط لها

• Utilization is busy time over total time; waiting time grows sharply as it nears 100%.
• Intuition: with random arrivals, bursts queue up and the queue drains slowly when there is little spare capacity.
• Rule of thumb: keep utilization well below saturation (often 60-70% for latency-sensitive paths; verify by test).
• Bounded queues and load shedding protect latency.