Modeled data vs unstructured data

When it comes to storing, retrieving and analyzing large chunks of data, it is greatly helpful if the said data conforms to some model instead of being unstructured free form data. This is where data modeling languages like YANG come in.

The beauty of YANG is that it lets the consumers know the specific details of the data, including constraints like range, allowed regex patterns among many others.

It also can model semantic constraints, meaning that it can tell you if a value is allowed in a certain context​.

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