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Internet Protocol security (IPsec) provides real-time IP packets with confidentiality security service, making them robust against snooping security threats. Conventionally, the security level provided by such protocol cannot be modified according to the status of the network. In this paper, the authors propose a security-aware scheduling algorithm for a heterogeneous packet switched network. It provides real-time packet flows with guaranteed Quality of Service (QoS) while adaptively controls the packet's confidentiality security service level. The proposed scheme is modeled using the object-oriented multi-agent methodology.
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