输电系统在运维过程中容易出现数据信息丢失,导致数据中心网络不稳定、数据架构不安全。为了提高数据交互能力,该研究设计了输电系统信息物理协同恢复的数据中心网络架构,构建了基于VL2的网络架构,在遭到网络攻击、信息物理攻击后,通过协同恢复策略,能够调整网络结构中的数据信息,将影响输电系统信息物理协同中心的数据消除,进而提高了网络信息安全能力。在输电系统的接收设备末端应用单环路结构的CDR电路模型,采用半速率类型的鉴相器,并加入数据同步单元,数据中心网络通过提前进行备份本地副本的数据来保证信息的容错,应用改进的Paxos一致性算法协议进行数据恢复。实验结果表明,本研究数据中心网络的数据恢复效率高,数据恢复时间小于250 s。

The transmission system is prone to data information loss during the operation and maintenance process,resulting in unstable data center network and insecure data architecture.The VL2 network architecture,through the coordinated recovery strategy,can adjust the data information in the network structure after being attacked by the network and cyber-physical,and eliminate the data that affects the cyber-physical coordination center of the power transmission system,thereby improving the network information security capability.At the end of the receiving equipment of the power transmission system,a CDR circuit model with a single-loop structure is applied,a half-rate type phase detector is used,and a data synchronization unit is added.The data center network ensures the fault tolerance of the information by backing up the data of the local copy in advance,using the improved Paxos consensus algorithm protocol for data recovery.The experiment results show that the data recovery efficiency of the data center network in this study is the highest,and the data recovery time is less than 250 s.