One More Time About Time

Time Zones

I’ve written about the importance of having accurate time before, and have always said that it can be difficult to keep a proper clock. I’ve always looked at it from a technical standpoint but a couple of days ago, one of my students sent me a video
and it caused me to look at the topic of time from a completely different perspective.

Keeping Time Without a Source


A while back I wrote¬†about the importance of using a standardized time source. ¬†Keeping accurate time across devices is essential so that you can easily correlate events within logs across the network. But what do you do when you’re operating on a closed network and there is no time source that you can pull from?

What Time Is It?

WIN-T NTP Architecture

Let me give you a scenario. You are having some problems on the network that are spread across several devices. You go into the log file of each device and see a bunch of messages with a mix-match of various times that mean absolutely nothing to you. In short, you have no idea what is going on with your network.