@jaimejim: The intro maybe should mention why using CoAP/HTTP sub-status error codes was too limited (e.g., they refer to a handful of server errors only, lack of specific granularity related to the domain knowledge, scaling the sub-status code to all cases...)
@jaimejim: The intro maybe should mention why using CoAP/HTTP sub-status error codes was too limited (e.g., they refer to a handful of server errors only, lack of specific granularity related to the domain knowledge, scaling the sub-status code to all cases...)