The perfect network backup system should be added the software backup which based on the hardware fault tolerance system, and can backup the data of the whole network flat automatically.
理想的网络数据备份应是在硬件级物理容错系统的基础上再加上软件数据备份，并能够自动备份整个网络平台上的数据。
Therefore, building of the perfect backup mechanism for the business enterprise information system and efficiently available disaster tolerance center is completely necessary.
因此为企业信息系统建立完善的备份机制和高效可用的容灾中心是完全必要的。
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