<div dir="ltr">This is an important topic.<div><br></div><div>"Keeping time in sync" is a cornerstone to technology from gps to ssl, from hft to big data.</div><div><br></div><div>I was sent back to school recently when I saw "chrony" and not ntp on my centos 7 box. I'm not sold yet. And i've not finished reading the horrible documentation for it.</div><div><br></div><div>"<span style="color:rgb(65,63,65);font-family:Helvetica,Arial,sans-serif;font-size:14.0832462310791px;line-height:19.4999446868897px"> The NTP time stamp is part of how equities firms show that trades took place when they say they did" - False. Ntp is not precise enough.</span><div><span style="color:rgb(65,63,65);font-family:Helvetica,Arial,sans-serif;font-size:14.0832462310791px;line-height:19.4999446868897px"><br></span></div><div><span style="color:rgb(65,63,65);font-family:Helvetica,Arial,sans-serif;font-size:14.0832462310791px;line-height:19.4999446868897px">My finance client's use ptp not ntp.</span></div></div><div><span style="color:rgb(65,63,65);font-family:Helvetica,Arial,sans-serif;font-size:14.0832462310791px;line-height:19.4999446868897px"><br></span></div><div><span style="color:rgb(65,63,65);font-family:Helvetica,Arial,sans-serif;font-size:14.0832462310791px;line-height:19.4999446868897px">David</span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Mar 14, 2015 at 4:25 PM, Stewart C. Russell <span dir="ltr"><<a href="mailto:scruss@gmail.com" target="_blank">scruss@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<font size="+1">A slightly disheartening tale of NTP's possible
future:
<a href="http://www.informationweek.com/it-life/ntps-fate-hinges-on-father-time/d/d-id/1319432" target="_blank"><http://www.informationweek.com/it-life/ntps-fate-hinges-on-father-time/d/d-id/1319432></a>.<br>
(via MetaFilter, which has a few decent comments on the matter:
<a href="https://www.metafilter.com/147900/NTP-or-Not-NTP-That-is-the-question" target="_blank"><https://www.metafilter.com/147900/NTP-or-Not-NTP-That-is-the-question></a>)<br>
<br>
cheers,<br>
Stewart<br>
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