I did a FRESH install of RedHat 6.0 on a Dell Dimension 200 mHz computer, and it is a DOG!! The hard drive is constantly doing something, and it takes about 3 minutes to log in (from when I push enter after my password). I am greatly dismayed.
This article will show you step-by-step instructions to build your own NTP CentOS server. The network diagram shows the best practice to setup the NTP server farm for redundancy. This article also serves as your NTP server documentation.