Therefore, from a database perspective, on-line transaction processing (OLTP) environments are ideal candidates for EFD data storage.

因此，从数据库方面看，在线事务处理(OLTP)环境很适合使用EFD数据存储。

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In the sequence diagram shown in Figure 11, we have introduced these three objects and re-created the interactions where the servlet needs a Customer object restored from on-line storage.

在图11的序列图中，我们引入了这三个对象，在servlet需要Customer对象从在线存储中恢复时重新创建了交互。

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So far, these are operations only to obtain data from on-line storage.

至此，它们还只是从在线数据库获得数据的操作。

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However even with data center developments such as compression, virtualization and deduplication the costs of on-line storage exceed that of local storage and the performance of on-line storage is significantly less than local storage.

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Thin client devices depending upon on-line applications and on-line storage to do work and require constant connectivity.

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On-line storage is behind remote backup and disaster recovery, on-line content sharing and video streaming, among many other applications currently popular with mobile as well as home-based smart connected devices.

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