Recent NTP pool traffic increase
joelja at bogus.com
Thu Dec 15 23:13:12 UTC 2016
On 12/15/16 3:07 PM, Dan Drown wrote:
> Quoting Jose Gerardo Perales Soto <gerardo.perales at axtel.com.mx>:
>> We've recently experienced a traffic increase on the NTP queries to
>> NTP pool project (pool.ntp.org) servers. One theory is that some
>> service provider NTP infraestructure failed approximately 2 days ago
>> and traffic is now being redirected to servers belonging to the NTP
>> pool project.
>> Does anyone from the service provider community have any comments?
> To add some more numbers to this, I'm seeing 4x the usual NTP traffic
> to my server in pool.ntp.org, starting Dec 13.
> Top source ASNs by % of NTP traffic seen by my server (I don't have
> pre-Dec 13 traffic by ASN handy)
> sprint 4.0%
> verizon-wireless 3.4%
> tmobile 2.9%
> att-wireless 2.8%
> comcast 2.1%
> orange 1.8%
> sky 1.6%
> twc 1.0%
> att 1.0%
> swisscom 0.9%
> saudinet 0.8%
> virgin 0.6%
> opaltelecom 0.5%
> qwest 0.5%
> eli 0.2%
> verizon 0.2%
> Possibly related is the new iOS release. Does the new iOS generate
> more NTP traffic? Can anyone measure that?
IOS uses time.appple.com which is widely available.
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