Reference the definition of path awareness in Section 1.1 of the Questions draft.
Also, make the initial statement less general - The current Internet does not support explicit discovery of path properties, but endpoints already do measure some properties of their paths (e.g., RTT measurements in a TCP stack).
Reference the definition of path awareness in Section 1.1 of the Questions draft. Also, make the initial statement less general - The current Internet does not support explicit discovery of path properties, but endpoints already do measure some properties of their paths (e.g., RTT measurements in a TCP stack).