有时延迟看着还行，用起来却一卡一卡——问题多半出在”丢包”。
一句话解释
丢包是传输过程中丢失的数据包比例（%）。丢了的包要重传，于是出现卡顿、加载变慢、SSH 断连、游戏瞬移。
为什么比延迟更难受
延迟稍高，你只是觉得”慢半拍”，还能忍；但丢包高会让连接时断时续，体验直接崩。所以判断线路好坏，丢包往往比延迟更关键。
常见原因
- 线路拥堵（尤其晚高峰，普通 163 线路常见）。
- 被运营商 QoS 限速。
- 线路本身质量差或绕路。
怎么看
用 ping 或 mtr 看丢包率：理想是 0%，持续 > 2–5% 就说明有问题。mtr 还能看出是哪一跳开始丢。
提醒
丢包 vs 延迟：延迟=快慢，丢包=稳不稳。精品线路（CN2 GIA/9929）的优势之一就是晚高峰丢包少。
挑线路稳、延迟低的在售机型？去 库存监控 按线路 / 地区筛选。
Sometimes latency looks fine, yet the connection feels choppy and unreliable — packet loss is usually the culprit.
One-Line Explanation
Packet loss is the percentage of data packets that are dropped during transmission. Lost packets have to be retransmitted, which causes stuttering, slow loading, SSH disconnections, and rubber-banding in games.
Why It’s Worse Than High Latency
High latency just makes things feel “a beat slow” — annoying, but tolerable. Packet loss makes the connection intermittent and unreliable, which completely destroys the experience. That’s why packet loss is often a more important indicator of line quality than latency alone.
Common Causes
- Network congestion (especially during evening peak hours — common on standard 163 routing).
- ISP-level QoS throttling.
- Poor underlying line quality or inefficient routing paths.
How to Check
Use ping or mtr to measure packet loss: 0% is ideal; sustained loss above 2–5% signals a real problem. mtr also shows which hop is where the loss starts.
Heads Up
Latency vs. latency: latency = speed, packet loss = stability. One of the key advantages of premium network lines like CN2 GIA and 9929 is low packet loss even during evening peak hours.
Looking for stable, low-latency plans? Go to Stock Monitor and filter by network line and region.
发表回复