**** General comments The ietf-flexe module is a relative small YANG module based on an implementation agreed upon by the OIF Forum. From the YANG point of view, the only problem of the module that I found is that all configuration leaves in the "flexe-client" container are mandatory, which eventually makes the top-level container "ietf-flexe:flexe" mandatory. This violates the requirement in sec. 4.10 of RFC 8407: Top-level data node MUST NOT be mandatory. **** Specific comments ***** Section 2 - The list of requirements would be better formatted as a definition list (