INDI is a simple XML-like communications protocol described for interactive and automated remote control of diverse instrumentation. INDI is small, easy to parse, and stateless. In the INDI paradigm each Device poses all command and status functions in terms of setting and getting Properties. Each Property is a vector of one or more members. Each property has a current value vector; a target value vector that provides information about how it should be sequenced with respect to other Properties to accomplish one coordinates unit of observation; and provides hints as to how it might be displayed for interactive manipulation in a GUI.

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