Why is it stated that "The use of ntpdate and the list of step-tickers is considered deprecated " in the documentation?

Solution Verified - Updated 2019-10-29T07:56:55+00:00 -

Issue

Why is it stated that "The use of ntpdate and the list of step-tickers is considered deprecated" in the RHEL 7 System Administrator's Guide, and in the RHEL 6 deployment guide?

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