Service down clouds
The service down approach of building clouds was pioneered by AWS. This approach was created for developers, by developers. The salient feature of this kind of cloud is the fact that everything is a Lego block, which can be combined in different ways in order to achieve a desired function.
In the service down approach, the Create, Read, Update, and Delete (CRUD) operations on these Lego blocks are normally done using API calls, so that developers can easily request the resources they need using programming and not by operations.
In the service down cloud, everything, such as compute (RAM and CPU), storage, network, and so on is a separate service and can be combined to give us a Virtual Machine. The following diagram ...
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