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Zhang, G., Qiu, X., Chang, W..  2017.  Scheduling of Security Resources in Software Defined Security Architecture. 2017 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery (CyberC). :494–503.

With the development of Software Defined Networking, its software programmability and openness brings new idea for network security. Therefore, many Software Defined Security Architectures emerged at the right moment. Software Defined Security decouples security control plane and security data plane. In Software Defined Security Architectures, underlying security devices are abstracted as security resources in resource pool, intellectualized and automated security business management and orchestration can be realized through software programming in security control plane. However, network management has been becoming extremely complicated due to expansible network scale, varying network devices, lack of abstraction and heterogeneity of network especially. Therefore, new-type open security devices are needed in SDS Architecture for unified management so that they can be conveniently abstracted as security resources in resource pool. This paper firstly analyses why open security devices are needed in SDS architecture and proposes a method of opening security devices. Considering this new architecture requires a new security scheduling mechanism, this paper proposes a security resource scheduling algorithm which is used for managing and scheduling security resources in resource pool according to user s security demand. The security resource scheduling algorithm aims to allocate a security protection task to a suitable security resource in resource pool so that improving security protection efficiency. In the algorithm, we use BP neural network to predict the execution time of security tasks to improve the performance of the algorithm. The simulation result shows that the algorithm has ideal performance. Finally, a usage scenario is given to illustrate the role of security resource scheduling in software defined security architecture.