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Automatic protection switching protocol testing method

A technology for automatic protection switching and protocol testing. It is applied in data exchange networks, data exchange through path configuration, and digital transmission systems. It can solve problems such as difficulties in APS protocol testing, save manpower, simplify the testing process, and improve testing efficiency. Effect

Inactive Publication Date: 2004-06-23
ZTE CORP
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Problems solved by technology

And precisely because of the above-mentioned complexity in the processing of the APS protocol in the MS-RING network, even if the combination of the network is simplified using the existing technology, it cannot overcome the current situation that the number of possible combinations is also very large. This shows that , it is extremely difficult to test the APS protocol using traditional testing methods

Method used

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  • Automatic protection switching protocol testing method
  • Automatic protection switching protocol testing method

Examples

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Embodiment Construction

[0020] by figure 1 Take the networking environment shown as an example, figure 2 The test flow of the automatic switching protection protocol for this type of APS network is given, and the specific steps of the flow are described as follows:

[0021] First, create a simulated APS network, set up a corresponding number of simulated network elements, and simulate each simulated network element through an independent network element thread, each network element thread contains an APS protocol processing module, step 201; as a A typical four-fiber multiplex section shared protection ring network diagram. For a multiplex section shared protection ring network, there are 2-16 network elements. It is necessary to establish a corresponding number of simulated network elements according to the number of network elements in the actual network. , for the actual SDH network, if one network element supports multiple APS networks at the same time, in this test method, it is treated and pr...

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Abstract

The automatic protection switching protocol testing method includes the following steps: creating simulating APS network and simulating network elements in corresponding number; configuring relevant attribute of the simulating APS network; establishing information transmission mechanism among the simulating network elements; transferring the excitation information to APS protocol processing module of the simulating network elements; analyzing the processing result of the APS protocol processing module; and recording the I / O state information of the simulating APS network for undesirable result or creating test data of simulating APS network for desirable result. The present invention occupies no hardware resource, and has greatly lowered test cost, simplified test process and raised test efficiency.

Description

technical field [0001] The present invention relates to the testing of the automatic protection switching (APS) protocol of the optical synchronous digital transmission system (SDH), in particular to the automatic protection switching of the multiplex section shared protection ring (MS-RING) in the optical synchronous digital transmission system (SDH) (APS) protocol test method. Background technique [0002] In the field of optical synchronous digital transmission system, for high-end optical synchronous digital transmission network, two-fiber / four-fiber multiplex segment shared protection ring (MS-RING 2F / 4F) is the most widely used, and for this two-fiber / four-fiber The multiplex section sharing protection ring utilizes the Automatic Protection Switching (APS, hereinafter referred to as APS) protocol for network protection. [0003] At present, it is usually implemented by including a processing unit called an APS controller in each ring networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L12/28
Inventor 何庭宗王明秀汪学蓉
Owner ZTE CORP
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