研究目的
To reduce energy consumption in IP-over-flexible bandwidth optical networks by minimizing the number of regenerators placed.
研究成果
The proposed OEEA algorithm reduces energy consumption in IP-over-flexible bandwidth optical networks by minimizing the number of regenerators placed, albeit with a higher blocking probability. A trade-off between energy consumption and blocking probability is necessary.
研究不足
The proposed OEEA algorithm leads to higher blocking probability compared to the traditional algorithm, indicating a trade-off between energy consumption and blocking probability.
1：Experimental Design and Method Selection:
The study employs an auxiliary graph to configure optical regenerators on both IP layer and optical layer for minimized-regenerators placement.
2：Sample Selection and Data Sources:
The NSFNET topology is used with 10,000 connection requests generated, where traffic arrival follows a Poisson process and traffic holding time follows a negative exponential distribution.
3：List of Experimental Equipment and Materials:
Not explicitly mentioned.
4：Experimental Procedures and Operational Workflow:
The OEEA algorithm computes K shortest paths as candidate working paths, selects a path with abundant bandwidth resources, and uses an auxiliary graph with active regenerators to minimize the number of optical regenerators.
5：Data Analysis Methods:
Performance is evaluated based on average energy consumption and blocking probability under different traffic loads.
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