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The Research and Implementation of Disaster Recovery System and Management Tool Based on Internet

Author: ZhaoKui
Tutor: LiTao
School: Sichuan University
Course: Computer Software and Theory
Keywords: Internet Data Backup Disaster Recovery Disaster Recovery Technology Authenticate Digital Watermarking
CLC: TP393.02
Type: Master's thesis
Year: 2004
Downloads: 269
Quote: 2
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Abstract


With the development of information technology, information data plays a very important role in human social activities. However, there is no data of any protective measures are highly vulnerable to the destruction of all kinds of natural disasters or man-made factors, the consequences could be disastrous. Protect the data, the most important means of backup. While traditional backup technology can effectively protect the data, in some cases, but in the event of a large-scale disaster such as an earthquake, war, terrorist attacks are often powerless. The main reason is because traditional backup technology is usually not the original and a copy of the data is kept separate, that is, no off-site disaster recovery capabilities of these technologies. Most disaster recovery systems such as SAN, NAS technology, SAN backup distance, usually less than 10 km, the maximum does not exceed 100 km, and the construction of the high cost, expensive, small and medium businesses can use NAS technology is only suitable for local storage, not suitable for long-distance off-site backup. Cheap, efficient and how to achieve security and infinite distance disaster recovery system angle of departure on the basis of the system, a comprehensive study and summarize the latest achievements in the field of data storage, network transmission, data security, capacity disaster system structure, based on Internet data transmission, disaster recovery, system configuration and management depth and meticulous research, an inexpensive Internet-based disaster recovery system - timely rain Disaster Relief Center (DRC). Specifically, the main results of this paper are: an Internet-based, cross-platform, cross-regional, efficient, low-cost disaster recovery system. Remote data backup center server configuration can be much lower than the local data center server configuration, and even remote data backup center server can correspond to multiple servers in the local data center, the system has a low cost option; system maintenance remote backup center hosting the conditions ripe ISP, the system is the use of low cost. lt; WP = 3 gt; achieve the confidentiality of the data transmission. The top-secret level virtual green technology to ensure the security of backup data transmission on the Internet. The automatic switching of the disaster and recovery. When the local data center disaster, the remote server automatically switches provides services to the outside world imperceptible interruption of service; when local server troubleshooting, the system automatically synchronize with the remote server data, and then switch back to the grounds of the local server to provide services , so as to ensure the reliability and robustness of the system. Digital watermarking log. The digital watermarking log to ensure the continuity of the system log, can not be changed, and provides strong support for the system's computer forensics. Convenient configuration tools. Graphical configuration interface, the ability to easily configure the network interface, system parameters need to mirror the files and directories. Intuitive monitoring interface. Intuitive graphical way to show the synchronization status, to determine the consistency of the data of the local data center and remote data center. Monitoring interface, the administrator can also monitor the local server, the local gateway, remote server, remote gateway running state immediately find any links abnormal situation. A simple and friendly management interface. The administrator simply operation can be achieved mirroring service start or stop. Similarly, the administrator can also only requires a simple operation can change the contents of the mirror. Proposed a model of a large Internet-based file mirroring. The model can be run in synchronous mode, and can be run in asynchronous mode, able to adapt to a variety of network conditions, with good controllability of fault tolerance, can tune the network in good condition, but also access to real-time high . In April 2003, the Sichuan Provincial Department of Science and Technology Organization experts identified the system appraisal committee agreed that the outcome of China's first Internet-based cross-regional, cross-platform disaster system is a national initiative of the project's overall technology in the domestic leading level.

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