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Risk Balancing Based Routing Mechanism for Power Communications Service |
Zeng Qing-tao Qiu Xue-song Guo Shao-yong Qi Feng Meng Luo-ming |
State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract In the smart grid, risk of power communication has become the problem of power system needs to solve, the service route is an important factor of communication risk. However, existing routing algorithm does not take into account the special nature of power communication services, it could cause unbalanced distribution of service link, and further lead to increased risk of the overall network. Therefore, a risk balance based service route allocation mechanism is proposed to reduce the risk of communication circuit and the overall risk of network. First, service important degree, link availability and other factors are integrated to establish a business-oriented risk balance model. Secondly, a business-oriented route risk balance mechanism is proposed based on this model. Simulation based on the province electric power communication network topology data, compared with the Availability-Aware Routing (AAR) and Load Balancing (LB) algorithms, the proposed mechanism can improve the service link risk balance degree more than 30%, and overall network risk is reduced by at least 6%, which has a very strong practical significance.
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Received: 14 August 2012
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Corresponding Authors:
Zeng Qing-tao
E-mail: qtzeng@bupt.edu.cn
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