Joint Security Protection and Transmission Delay Scheduling Scheme of Voice Switching Network

Security protection technology has been gradually receiving wide attention in the voice switching network. However, this technology will bring about a delay in user response and a decline in the quality of service. This study proposes a mechanism by which an encryption algorithm and a hybrid traffic security scheduling mechanism (TES) are combined. Specifically, the mechanism first adopts various encryption methods for different traffic according to the traffic types entering the switching network, and afterward, it reduces its resource occupation by adjusting the sampling period of the control class traffic. At the same time, an algorithm of priority injection (PI) is proposed in order to schedule the voice traffic. According to the experimental results, the contradiction between the security protection and transmission delay of voice interactive network is resolved, and the scheduling of mixed traffic in the voice switching network is realized securely and efficiently.