The biggest downside of our method so far is that the remote devices do not return structured data. They return data that is ideal to be fitted on a terminal to be interpreted by a human, not by a computer program. The human eye can easily interpret a space, while a computer only sees a return character. 

We will take a look at a better way in the upcoming chapter. As a prelude to Chapter 6, APIs and Intent-Driven Networking, let's discuss the idea of idempotency.