三云,汉语词汇,拼音是sān yún,意思是汉朝宫殿名,在甘泉宫中,出自《西京杂记》。
想像一下,对于一个组织问题就要复杂得多,如果虚拟机驻留在第三方云服务上的话,就更加难上加难了。
Imagine how the problem multiplies for an organization, and increases further if those virtual machines are hosted in a third-party cloud service.
图1显示了三个模型分层的云计算。
Figure 1 shows layered cloud computing with the three models.
云中之云“分三层。”
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