The Example NTP Deployment section provides NTP deployment examples with sample configurations for WAN, high stratum campus, and low stratum campus time distribution networks.
The Overview section provides background information on network element hardware related to system time, a technological overview of NTP, and key design aspects for the NTP architecture. The Terminology section provides general definitions of terms concerning time synchronization. The information provided by this paper is presented in several major sections, which are described below. It is intended that this hypothetical procedure be used as an informational example and customized by an organization to assist in meeting internal objectives. This document describes a hypothetical process definition for conducting network management functions for the Network Time Protocol (NTP).
However, if proper attention is not given to the often-overlooked principle of time synchronization, those efforts may be rendered useless. In these cases, great expense may be incurred deploying network management systems and directing engineering resources towards analyzing the collected performance data. Depending on the business models, and the services being provided, the characterization of network performance can be considered an important competitive service differentiator. Network time synchronization, to the degree required for modern performance analysis, is an essential exercise. The foundation of many metric methodologies is the measurement of time. The need for greater insight into network characteristics has led to significant research efforts being targeted at defining metrics and measurement capabilities to characterize network behavior. Internet Protocol (IP) based networks are quickly evolving from the traditional best effort delivery model to a model where performance and reliability need to be quantified and, in many cases, guaranteed with Service Level Agreements (SLAs).
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