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CLI-based Configuration Guide - Network Management and Monitoring

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of IP FPM

Overview of IP FPM

Definition

IP Flow Performance Measurement (FPM) is a Huawei proprietary feature that measures packet loss rate and delay of end-to-end service packets transmitted on an IP network to determine network performance. This feature is easy to deploy and provides an accurate assessment of network performance.

Purpose

As IP services are more widely adopted, fault diagnosis and end-to-end service quality analysis are becoming an increasingly pressing concern for carriers. However, absence of effective measures prolongs fault diagnosis and increases the workload. Currently, carriers use Network quality analysis (NQA) to measure the quality of services running on IP radio access networks (RANs).

However, NQA cannot implement Layer 3 end-to-end performance measurement due to the following problems:
  • NQA measures network performance by determining the packet loss rate of simulated packets, but not actual service packets transmitted on networks. The performance counters collected by NQA may not represent the actual service quality, and therefore cannot serve as a solid reference for network performance analysis.
  • NQA does not support end-to-end performance measurement across network layers, and cannot monitor or measure network performance in multipath IP networks.

IP FPM does not have any of these shortcomings. IP FPM directly measures service packets to assess IP network performance and monitors services in real time for network diagnosis.

Benefits

  • Allows carriers to use the network management system (NMS) to monitor the network running status to determine whether the network quality complies with the service level agreement (SLA).
  • Allows carriers to promptly adjust services based on measurement results to ensure proper transmission of voice and data services, improving user experience.
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Updated: 2019-05-17

Document ID: EDOC1000174072

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