Sample chapter from the book, showing the cisco-specific methods of configuring your routers to support using NTP time synchronization.

Information on a collection of public NTP servers provided by users and ISP's placed in a DNS round-robin under pool.ntp.org.

The current NTP standard. Available here in HTML, PDF, and Postscript formats.

The current standard for SNTP, a version of the protocol for implementations which do not need all of the features of NTP. Available here in HTML, PDF, and Postscript formats.

Understanding and using the Network Time Protocol (A first try on a non-technical Mini-HOWTO and FAQ on NTP)

Four page document that gives a very simple high-level overview of how NTP works and some of the issues to be considered when looking to set up NTP time servers. This company is a vendor of NTP time servers and related hardware.

A detailed information page about the guidelines for implementing NTP on Caldera (SCO) Linux

This article addresses the time skew issues for the Sun Fire 12K/F15K server and explains how the system controllers and domains can be configured as NTP clients to external servers. A sample configuration is also provided. This article is targeted to...

This article is the first of a series on the Network Time Protocol (NTP). NTP allows synchronizing clocks on different network nodes, which is critical in today's networked world. This first article provides an overview of why time synchronization is ...

This is Part 2 of a three-article series that discusses how to use Network Time Protocol (NTP) to synchronize system clocks. This article explains the basics of client and server administration, covering various client/server configurations, as well a...