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NE20E-S2 V800R010C10SPC500 Feature Description - System Monitor 01

This is NE20E-S2 V800R010C10SPC500 Feature Description - System Monitor
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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 TWAMP Light

Overview of TWAMP Light

Definition

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.

Purpose

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

Item

TWAMP

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

No

Yes

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.

Deployment

Easy to deploy and use.

Easy to deploy and use.

Benefits

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).

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Updated: 2019-01-02

Document ID: EDOC1100055478

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