Hello, I have a general question regarding the time synchronization across heterogeneous servers that span thousands of miles apart from each other. I have a large sysplex and distributed server environment, utilizing an IP network. I have an NTP instance running on several of my MF servers, in which the distributed servers call to obtain the time. This works fairly well as there are not great distances between servers. However, as more companies are building-out locations that are further apart in distances, the latency may prove unacceptable. An example where this may be important is during troubleshooting, where review of logs, etc maybe necessary. If timestamps aren't tightly-coupled, it becomes more difficult to piece together the picture that led up to an issue.
My question(s) are then: 1) what options are available to maintain time synchronization? I've heard of several that may have merit (GPS, satellite, purchase of own atomic clock). 2) how are other companies dealing with this? 3) is there a best-practice established for time synchronization? Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html