研究目的
Investigating the dynamic service provisioning of AR requests in EONs by introducing a notion named Degree of Spectrum-Time Fragmentation (DSTF) and proposing a service provisioning algorithm based on DSTF to reduce blocking rate and average request initial delay.
研究成果
The proposed RMSTA algorithm based on DSTF effectively reduces traffic blocking rate and average request initial delay in EONs by accurately indicating the link fragmentation degree and optimizing resource allocation.
研究不足
The study focuses on the dynamic service provisioning of AR requests in EONs and introduces DSTF to reduce blocking rate and average request initial delay. However, the computational complexity and applicability in larger or more complex network topologies are not discussed.
1：Experimental Design and Method Selection:
The study introduces a notion named Degree of Spectrum-Time Fragmentation (DSTF) and proposes the RMSTA algorithm based on DSTF for dynamic service provisioning of AR requests in EONs.
2：Sample Selection and Data Sources:
The NSFNET is used as the simulation network topology with each fiber having 320 FSs and the bandwidth of each slot being
3：5 Gbps. AR requests sets are generated according to Poisson traffic model. List of Experimental Equipment and Materials:
Simulations are implemented by MATLAB and run on a computer with
4：50 GHz Intel processor and 4GB RAM. Experimental Procedures and Operational Workflow:
The KSP algorithm is used to calculate candidate paths for each incoming request. Free spectrum blocks are searched along candidate paths, and resources are allocated based on the DSTF.
5：Data Analysis Methods:
The performance of the proposed algorithm is evaluated by comparing request blocking rate and average initial delay with other algorithms (FF and FF-PC).
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