Comment Re:Why not use EC2? (Score 2) 160
Can Google/Apple/Amazon not just throw some money at this?
Apple already has a few configured by default in Mac OS X: time.apple.com, time.asia.apple.com, time.euro.apple.com
$ ntpdate -q time.apple.com
server 17.151.16.23, stratum 2, offset -0.002298, delay 0.04951
server 17.171.4.13, stratum 2, offset -0.003922, delay 0.09973
server 17.171.4.14, stratum 2, offset -0.003779, delay 0.09933
server 17.171.4.15, stratum 2, offset -0.004068, delay 0.09940
server 17.171.4.21, stratum 0, offset 0.000000, delay 0.00000
server 17.171.4.22, stratum 2, offset -0.010687, delay 0.11308
server 17.171.4.23, stratum 2, offset -0.006814, delay 0.10687
server 17.171.4.24, stratum 0, offset 0.000000, delay 0.00000
server 17.151.16.12, stratum 2, offset -0.002686, delay 0.04926
server 17.151.16.14, stratum 2, offset -0.002507, delay 0.04927
server 17.151.16.20, stratum 2, offset -0.002333, delay 0.04941
server 17.151.16.21, stratum 2, offset -0.002317, delay 0.04892
server 17.151.16.22, stratum 2, offset -0.002512, delay 0.04955
server 17.151.16.38, stratum 2, offset -0.002454, delay 0.04890
$ ntpdate -q time.asia.apple.com
server 17.82.253.7, stratum 2, offset 0.003790, delay 0.25430
server 17.83.253.7, stratum 2, offset -0.000764, delay 0.15932
$ ntpdate -q time.euro.apple.com
server 17.72.255.12, stratum 2, offset -0.006641, delay 0.20169
server 17.72.255.11, stratum 2, offset -0.006988, delay 0.20267
So it looks like they’ve got a reasonable handful in the pool. Dunno about Google or Amazon because googling didn’t turn up anything immediately obvious.