https://bugzilla.wikimedia.org/show_bug.cgi?id=60283

--- Comment #15 from Pavel Selitskas [wizardist] <p.selits...@gmail.com> ---
(In reply to comment #12)
> Pavel, paths to where and which lgs specifically? We peer directly with
> Hurricane Electric in all locations and we're one hop to PCCW via GTT (which
> carries it from Hong Kong to San Jose, then SFO).
> 
> South Korea is long gone, but we serve Hong Kong via San Francisco (ulsfo)
> now.
> As for your question, yes, the file will go to the local caching center and
> then proxied silently (by Varnish) to Ashburn caches and appservers.

I checked Hurricane Electric and PCCW (http://lookingglass.pccwglobal.com/).
Hurricane Electric peers directly right like you said:
1    54 ms    69 ms    53 ms    10ge3-1.core1.tyo1.he.net (184.105.222.105)
2    150 ms    150 ms    150 ms    10ge15-2.core1.lax2.he.net (184.105.223.105)
3    168 ms    159 ms    165 ms    10ge9-5.core1.sjc2.he.net (184.105.213.6)
4    160 ms    170 ms    168 ms    10ge5-2.core1.pao1.he.net (72.52.92.69)
5    161 ms    166 ms    171 ms    eqix-sv9.wikimedia.org (198.32.176.214)
6    161 ms    164 ms    161 ms    text-lb.ulsfo.wikimedia.org (198.35.26.96)

Looking through PCCW LG, I can see like they route requests to eqiad (although
ulsfo would be the best choice for East Asia? - that is how they resolve
commons.wikimedia.org through their DNS):
traceroute to text-lb.eqiad.wikimedia.org (208.80.154.224), 64 hops max, 44
byte packets
 1  bbs-1-250-0-210.on-nets.com (210.0.250.1)  0.373 ms  0.332 ms  0.320 ms
 2  10.2.128.31 (10.2.128.31)  0.226 ms  0.228 ms  0.262 ms
 3  203.131.243.121 (203.131.243.121)  1.251 ms  1.245 ms  2.749 ms
 4  ae-3.r22.tkokhk01.hk.bb.gin.ntt.net (129.250.6.232)  22.838 ms  13.478 ms 
1.011 ms
 5  ae-12.r22.osakjp02.jp.bb.gin.ntt.net (129.250.6.234)  60.219 ms  58.072 ms 
51.183 ms
 6  ae-8.r21.osakjp02.jp.bb.gin.ntt.net (129.250.6.193)  46.586 ms  41.789 ms 
44.033 ms
 7  * * *
 8  ae-8.r21.sttlwa01.us.bb.gin.ntt.net (129.250.6.141)  169.446 ms  193.944 ms
 192.196 ms
 9  ae-5.r21.asbnva02.us.bb.gin.ntt.net (129.250.4.181)  231.650 ms  221.329 ms
 231.565 ms
10  ae-2.r04.asbnva02.us.bb.gin.ntt.net (129.250.4.207)  211.152 ms  247.144 ms
 248.435 ms
[ * * * repeats infinitely ]

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