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【实测】DMIT LAX EB vs LAX PRO,天津联通晚高峰对比:EB 稳如老狗,PRO 晚高峰跨网回程被限到 90M

测试环境

  • 本地:天津联通家宽
  • 机器:DMIT LAX.EB、DMIT LAX.PRO(都是 EPYC Milan 1C2G、20G 盘,Debian)
  • 时间:2026-09-26 北京时间中午 12:50 一轮,晚高峰 20:00–23:00 一轮
  • 本地测试:ICMP ping 600 次(10 分钟)+ SSH 多连接吞吐(下载 8 条连接、上传 4 条连接)
  • 服务器测试:kejilion 工具箱里的 NetQuality / TcpQuality / 融合怪 / NodeQuality

天津联通本地实测

线路 时段 丢包 平均延迟 抖动 下载(8 条连接)
EB 中午 0% 147.6ms 0.9 645Mbps
EB 晚高峰 0% 147.9ms 0.8 654Mbps
PRO 中午 0% 158.7ms 1.2 672Mbps
PRO 晚高峰 0% 159.2ms 0.8 90Mbps(连测 3 次都是 89–91)

回程路由:

  • EB:CUG 10099 → 9929 → 天津 4837,全程联通
  • PRO:CN2 GIA → 上海 → 北京换到联通 4837 → 天津,中途换一次运营商

测评报告

LAX.EB

LAX.PRO

结论

  1. 联通用户选 EB。 三网回程基本是 9929 + CMIN2,晚高峰延迟、抖动、吞吐和中午一样。TcpQuality IPv4 回程 93 个测试点全部 0 丢包。
  2. PRO 是电信向的线路。 三网回程全走 CN2 GIA。服务器端单连接测速到北京联通有 573M,但我天津联通家宽晚高峰实测只有 90M,而且非常平,像是被限速了。推测是 CN2 回国后在北京换到联通那一段晚高峰限速。TcpQuality 里移动方向有少量丢包(河北 8%、山西 4%)。
  3. 电信用户可以反过来看: EB 到上海电信单连接只有 136M、重传 0.92%,PRO 有 634M、重传 0%。
  4. 两台 IP 都是原生、低风险,Netflix / Disney+ / TikTok / Prime Video / ChatGPT 全部原生解锁(美国)。
  5. 亚洲方向中转(中午实测,0 丢包): 到台湾 HiNet 145ms、新加坡 171–175ms、香港 154–157ms、韩国 EB 159 / PRO 151ms、日本 EB 105 / PRO 98ms。数据中心之间的线路很稳,但物理延迟摆在那里。
  • Pro联通走IPv6会不会好一点?

  • @geniusy #1 对,楼主可以试下v6。不过总的来说,联通移动还是建议用eb吧,且不说流量多了一倍,更主要是术业有专攻,能不跨网就别跨,否则大妈也不会搞两条产品线

  • eb这么强

  • 感谢楼主这么详尽的实测!EB 全程 9929 不跨网确实稳,晚高峰还能跑满就很说明问题了。PRO 那个 90M 平顶确实像跨网段限速,我自己联通宽带也基本只选 EB 线路,同网互联省心不少。

  • @shaolonger #2
    测试了一下,现在7点多就不太行了,和 IPV4 差不多,应该是在国内段被电信砍了带宽

  • 非常好的测评,学习了

  • 更新一下客服工单回复,供大家参考:

    Dear Paul,

    They are only different in terms of domestic optimized routes, the international direction is the same. We have categorized our products into several series based on different network types:

    • Premium Series products, marked as "Pro" in the product name, feature all of our advanced network transmissions. In most products, they connect to mainland China via China Telecom CN2 GIA and other advanced network transmissions.
    • Eyeball Series products, marked as "EB" in the product name, feature best-effort optimized routing for Chinese networks, including some advanced network transmissions. In some regions, they connect to mainland China via routes such as AS58807, AS9929, and AS58453.
    • Tier 1 Series products, marked as "T1" in the product name, are our optimized network products for the server's region and international directions (excluding mainland China). They can reduce latency and packet loss in international directions and rely on DMIT's backbone network to achieve low-latency interconnection of our various infrastructures.

    Network routing will be backward compatible. Premium will include routes available to Eyeball and Tier 1, and Eyeball will include routes available to Tier 1. Adjustments will be made based on actual network conditions to ensure each series achieves its own good network characteristics.

    The telecom network recommends LAX Pro network, and the Unicom and Mobile networks recommend LAX EB network.

    Should you have any further inquiries or are in need of any assistance, please do not hesitate to contact us. We are looking forward to serving you.

    Best regards,
    Carl M
    Technical Support Team

    按照 DMIT 客服的回复,PRO 和 EB 的区别只在于中国方向,国际方向路由是一致的,而且联通和移动建议 EB 线路,电信建议 PRO 线路

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