研究目的
To address the communication security challenges in backbone optical networks for smart power grids by proposing a lightweight security signaling mechanism.
研究成果
The proposed lightweight security signaling mechanism enhances the security of optical networks for smart grids by improving integrity protection and reducing blocking rates, though it incurs higher delays. It is effective for energy Internet services and optimizes service bearing capacity.
研究不足
The mechanism increases processing delay due to additional security checks and key updates, and the simulation is limited to a specific network scale and conditions.
1：Experimental Design and Method Selection:
The study involves designing a lightweight security signaling mechanism based on extensions to the RSVP-TE protocol, incorporating PKI for key management and digital signatures for integrity protection. Simulation is used to evaluate performance.
2：Sample Selection and Data Sources:
A simulated optical network with 32 nodes is used, with connection requests modeled using a Poisson process and traffic distribution using uniform and non-uniform Hotspot distributions.
3：List of Experimental Equipment and Materials:
NS2 network simulation software is employed for the simulation environment.
4：Experimental Procedures and Operational Workflow:
The signaling interaction process includes six steps involving PATH, RESV, and RESV CONFIRM messages with security enhancements such as attack detection and digital signatures. Simulation parameters include normalized load intensity and imbalance index.
5：Data Analysis Methods:
Performance metrics such as connection blocking rate and connection setup delay are analyzed and compared between the proposed mechanism and traditional methods.
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