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NE40E V800R010C10SPC500 Feature Description - System Monitor 01

This is NE40E V800R010C10SPC500 Feature Description - System Monitor
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Overview of TWAMP Light

Overview of TWAMP Light


Two-Way Active Measurement Protocol (TWAMP) Light is a light version of TWAMP, which is defined in a standard protocol.TWAMP Light measures the round-trip performance of an IP network by using simplified control protocol to establish test sessions.


On conventional IP radio access networks (IP RANs), carriers desperately need a universal tool that rapidly provides statistics about the IP network performance for operation, administration and maintenance (OAM). Currently, Network Quality Analysis (NQA) and IP Flow Performance Monitor (IP FPM) are mainly used. However, NQA does not allow for intercommunication between a Huawei device and a non-Huawei device and requires complex deployment, and IP FPM has high requirements on network devices and applies only to a few scenarios. To resolve this problem, the Internet Engineering Task Force IP Performance Monitor (IETF IPPM) group defines a set of protocols, including TWAMP.

TWAMP, in its standard or light version, measures the round-trip performance of an IP network.

As described in Table 8-1, TWAMP Light is simpler and easier than TWAMP.

Table 8-1 Comparison between TWAMP and TWAMP Light




Support for logical entities

Partially supported

Compliant only with the Server and Session-Reflector, instead of the Control-Client and Session-sender.

Fully supported

Compliant with the Controller and Responder

Capability of sending packets



Using a tester

Only a device that has high performance can function as the Control-Client and Session-Sender, which proactively starts a test session and collect and maintain test statistics.

No tester is needed.

As the light version of TWAMP, TWAMP Light moves the control plane from the Responder to the Controller so that TWAMP control modules can be simply deployed on the Controller. Therefore, TWAMP Light greatly relaxes its requirements on the Responder performance, allowing the Responder to be rapidly deployed.


Easy to deploy and use.

Easy to deploy and use.


TWAMP Light is an IP link detection technology and can be easily used to help users monitor the network quality (delay, jitter, and packet loss rate).

Updated: 2019-01-03

Document ID: EDOC1100055050

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