What is NTP?
NTP, or Network Time Protocol is a UDP-based protocol on port 123 that allows
computers to sync their time over the internet. NTP servers have different
levels on a hierarchy based system, or stratums, with the highest at 0 being the
reference clock sources that are not made public and are connected directly to
stratum 1 servers, and so on and so forth. Endpoints such as your phone,
computer, router, etc, can connect to any server at or below stratum 1.
What Is the NTP Pool?
The NT