蘋果自家的 CDN

Apple 自家建立了 CDN 並且開始服務:「Apple’s CDN Now Live: Has Paid Deals With ISPs, Massive Capacity In Place」。

找了好久才找到 swcdn.apple.com 這個名稱,sw 不知道是不是指 switch 的意思?

從 blog 這台主機 (DigitalOcean 在 San Jose 的機房) 可以看到被指到 SFO 的 Apple CDN:

swcdn.apple.com.        3600    IN      CNAME   swcdn.apple.com.akadns.net.
swcdn.apple.com.akadns.net. 300 IN      CNAME   ussjc1.cdn-apple.com.akadns.net.

而如果從台灣查,則會導去 Akamai

swcdn.apple.com.        3282    IN      CNAME   swcdn.apple.com.akadns.net.
swcdn.apple.com.akadns.net. 300 IN      CNAME   swcdn.apple.com.edgesuite.net.

看起來還是用 Akamai 提供的 DNS 服務。而從導的情況看起來,符合原文作者 Dan Rayburn 的說明,目前只有歐美地區是走自家的 CDN:

Recently, Apple’s CDN has gone live in the U.S. and Europe and the company is now delivering some of their own content, directly to consumers.

量夠大就會這樣玩,應該是逐步繼續做?

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3 Responses to 蘋果自家的 CDN

  1. gaodchen says:

    sw 我比較會猜 software...XD

  2. yseric says:

    一定是swift (握)

  3. paulgao says:

    in hongkong, swcdn.apple.com is 17.253.64.223 plz see http://tool.17mon.cn/traceroute.php

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