研究目的
To integrate two separate optical network domains in the GARR network using alien wavelength technique to deliver high-performance services efficiently and cost-effectively.
研究成果
The alien wavelength technique was successfully implemented, enabling integration of disparate network domains and delivery of 100GEth services with minimal performance penalties, leading to improved network efficiency and cost savings. Future work may involve further disaggregation and expansion.
研究不足
The study was limited to specific network paths and equipment; potential optimizations could include testing with more diverse network conditions or newer technologies.
1：Experimental Design and Method Selection:
The study involved designing a hybrid solution using alien wavelengths for transmitting optical signals across different network infrastructures. The method included feasibility studies, field trials, and deployment in production environments.
2：Sample Selection and Data Sources:
The field trials were conducted on two network paths of approximately 350km and 1200km in length, using existing GARR network infrastructure.
3：List of Experimental Equipment and Materials:
Equipment included Huawei OptiX platform with ROADMs, EDFAs, DCMs, Infinera DTN-X platform for coherent transmissions, and an Optical Spectrum Analyzer (OSA).
4：Experimental Procedures and Operational Workflow:
Steps involved injecting alien wavelengths into the host network, performing channel equalization and power balance, and measuring performance metrics like Qvalue. Tests varied guard bands, modulation schemes (QPSK, BPSK), and path lengths.
5：Data Analysis Methods:
Performance was evaluated using average Qvalue metrics, optical spectrum analysis, and throughput tests; statistical analysis was based on measured data points and comparisons with reference systems.
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