The class returned by the factory method is an adapter to a particular cloud service.
工厂方法返回的类用于一个特定于服务的适配器。
If you have cloud instances in different geographical regions, you may have the additional consideration of dealing with multiple class IP ranges.
如果云实例位于不同的地理区域,可能需要考虑处理多个类IP范围。
The cloud has now been promoted to a first-class actor in the network diagram itself.
现在云已经在网络图中扮演着主要角色。
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