1578907 - A Disaster Recovery System Model in an...

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A Disaster Recovery System Model in an E-government System* Kun Wang 1 , Zhen Cai 2 , Zengxin Li 2 , Lihua Zhou 1 1 Key Laboratory of Computer Network and Information Security of the Ministry of Education, Xidian University, Xi’an, 710071, China 2 National Info Security Engineering and Technology Research Center, Beijing, 100093, China wangkun@mail.xidian.edu.cn , caizhen@mti.xidian.edu.cn , lzx828@163.com , zhoulh@mti.xidian.edu.cn Abstract We present a Robust Disaster Recovery System Model (RDRSM) for highly security-critical systems to realize continuous service. Through strengthening safe communication ability, RDRSM guarantees secure and reliable command on disaster recovery. It uses self- supervision function to monitor the integrality and security of system itself. Through GIS, this model makes disaster recovery system easier to use, manage and maintain. RDRSM possesses features of security, robustness and controllability and can be applied to environments such as e-government and bank. This model successfully conducted the construction of an important e-government disaster recovery system, which verified its feasibility and the significance of its components, such as disaster recovery planning, system supervision and robust communication support. 1. Introduction Presently there are some disaster recovery system (DRS) models [1-6] . Some of them are based on application service provider and are not secure enough [7][8] . Some models can’t stand heavy disasters. And some models do not involve system management and maintenance. We present a new Robust Disaster Recovery System Model . , which is enhanced in security and stability and can hold heavy disasters. 2. Overview of EEDP For historical reasons, many applications in an e- government system formed an inhomogeneous system and lack of interoperability, extensibility and security. * This work is supported by the 10th Five Year High-Tech Research and Development Plan of China (2002AA1Z67101). As a key project of China, a certain E-government Experimental and Demonstration Project (EEDP) needs to rebuild this system. In order to be able to interoperate with new applications securely, legacy applications will be migrated to new platform. And applications should be able to be extended easily. Information system faces too many risks [9] , e.g. viruses, hackers, fire, terrorist attacks. Some disasters possess mass destructibility, and even intentioned destroy activities after disasters. EEDP should be able to protect against such disasters. Figure 1 shows EEDP’s network connections. Junior governments, superior government and its remote department, backup center are connected through ATM backbone. It uses special telephone line, PSTN, wireless
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1578907 - A Disaster Recovery System Model in an...

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