Sun's NTP documentation

It seems in the merging of and, Sun's blueprints site has disappeared from view.  A lot of it was very specific to Sun hardware & software, but it had much general applicability as well.  One of the treasures in their collection was a series of three documents on understanding NTP (Network Time Protocol), called "Using NTP to Control and Synchronize System Clocks".  Thanks to the Internet Archive, they are still available, and i thought i'd throw up some links here so they won't be forgotten:

The Wayback Machine at the Internet Archive is a bit touchy sometimes - i find that trying again after a few hours often works.