Mr. Zikang Liu Profile

Zikang Liu

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Proceedings Article | 11 October 2023 Paper

Research on optical channel monitoring information acquisition system based on software defined network

Zikang Liu, Yi Zhou

Proceedings Volume 12800, 128005U (2023) https://doi.org/10.1117/12.3004118

KEYWORDS: Channel projecting optics, Optical sensing, Data modeling, Interfaces, Signal processing, Optical transmission, Optical networks, Databases, Information security, Dense wavelength division multiplexing

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Integration with Software Defined Network (SDN) applications is the evolution direction of the new generation of data center networks. Configuration management based on NETCONF-YANG is the key technology for SDN open decoupling in Optical Transport Network (OTN) applications. The Dense WaveLength Division Multiplexing (DWDM) optical network that complies with the Data Center Interconnection (DCI) 400G ZR transmission standard reduces the channel spacing to 75 GHz, which requires higher efficiency, accuracy and flexibility in the collection of monitoring information for real-time monitoring of optical channel transmission quality, while the difficulty of management has increased. Based on NETCONF-YANG, this article designs an optical channel monitoring information collection system to optimize the accuracy of data collection and automate configuration management. The test results show that the error of the collected value of optical channel monitoring at the user end is between ±0.2dBm, which meets the requirements of optical network equipment performance management. The system realizes the separation of control and forwarding, reduces the difficulty of configuration management, and has obvious advantages in data acquisition flexibility.

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