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Comments (9)

Rowandjj avatar Rowandjj commented on June 2, 2024

zan

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zoloadang avatar zoloadang commented on June 2, 2024

赞 👍

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zjhiphop avatar zjhiphop commented on June 2, 2024

学习了!

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LeonDWong avatar LeonDWong commented on June 2, 2024

Awesome

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WeiJP avatar WeiJP commented on June 2, 2024

学习了👍🏻👍🏻

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1053061407 avatar 1053061407 commented on June 2, 2024

题主,我在维基百科上搜的 example 是二级域名呀。

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xdream86 avatar xdream86 commented on June 2, 2024

域名发散是 PC 时代的产物,而现在进入移动互联网时代,通过无线设备访问网站,App的用户已占据了很大一部分比重,而域名发散正是在这种情况下提出的。
应该是“而域名收敛正是在这种情况下提出的。”

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Wbqqqq avatar Wbqqqq commented on June 2, 2024

大佬好,小白一个
24241590051446_ pic
我看到字节跳动的dns解析出来的ip一大坨。
那么app假使访问一个域名接口,最后是怎么知道去访问哪个ip,还是说默认取第一个?

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fengzhao avatar fengzhao commented on June 2, 2024

大佬好,小白一个
24241590051446_ pic
我看到字节跳动的dns解析出来的ip一大坨。
那么app假使访问一个域名接口,最后是怎么知道去访问哪个ip,还是说默认取第一个?

这可能是用到了DNS负载均衡技术,主要有两种技术:

  • DNS轮询,DNS会根据权重(默认权重1:1:1),轮询这些A记录,依次返回3个IP地址。

  • DNS分区,根据你的LocalDNS的地区和线路,返回对应的IP地址

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