不过如果大型数据中心和应用组成了云，那么所有通过它连接和交互现实世界的软硬件都是它的周边设备。

But if huge data centres and applications make up the cloud itself, then all the hardware and software through which it connects and communicates with the real world are its periphery.

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因此，“遗留”在此上下文中并不是一个有效的术语，因为大型机系统是 IT 方面广为应用的设备，当前约占全球大型机上数据的 80% 或更多。

So, "legacy" is not really a valid term in this context, since mainframe systems are the workhorses of IT; current estimates place 80% or more of the world’s current data on mainframes.

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它尤其适合嵌入式设备(这些设备一般不需要大型数据库和复杂的查询)，但是它也可以用在大型设备上。

It is especially suitable for embedded devices, for which large databases and sophisticated queries are not normally required, but it can also be used on larger devices.

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