https://blog.lynxflow.co/en/tags/aws-lightsail/Recent content in AWS Lightsail on Lynx Tech BlogHugo -- gohugo.ioenSun, 20 Sep 2026 00:00:00 +0800https://blog.lynxflow.co/en/posts/vps-network-benchmark-tokyo-seoul-2026-09/Sun, 20 Sep 2026 00:00:00 +0800https://blog.lynxflow.co/en/posts/vps-network-benchmark-tokyo-seoul-2026-09/<img src="https://blog.lynxflow.co/images/vps-network-benchmark-tokyo-seoul-2026-09-cover.png?v=0922" alt="Featured image of post The Truth Behind 3.1MB/s: After a Full Network Checkup on Two VPS in Tokyo and Seoul, I Retract a Conclusion" /> Single connection: 3.1 MB/s. Four concurrent connections summed: 12.7 MB/s. Local broadband: 210 Mbps. Cross-border tunnel: 2.1 MB/s. Only with all three numbers side by side did it become clear that the &ldquo;25 Mbps plan throttling&rdquo; from the first round of speed tests was a misattribution — the bottleneck wasn&rsquo;t at the VPS plan layer, but at single-connection throughput. Why I Did This I was giving two AWS Lightsail VPS instances — one in Tokyo, one in Seoul — a health check. The