The following graph demonstrates that compression has a positive impact on transmission time for 128K line speeds or less for HTML content of this size.

下面的图表说明，对于这么大的 HTML 内容，压缩会对 128K 或更低速的线路上的传输时间产生积极影响。

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Class compression is done automatically and cannot be changed through the use of command line options.

类压缩是自动执行的，无法通过命令行选项修改。

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The first line is labeled SSH and shows the progress of the transfer; the second line, tagged gzip, shows the progression of the compression.

第一行的标签是ssh，显示传输的进度；第二行的标签是gzip，显示压缩的进度。

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This is due to the continual decrease in the costs of on-line bandwidth, improvements in content compression, the proliferation of mobile viewing devices with smaller screens (and thus lower resolution requirements) as well as increased levels of cloud storage to support download and streaming markets.

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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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In addition, the Solidarity array carries out compression and in-line deduplication (a common theme in the new generation of flash memory storage).

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