The word dataset is unclear and not defined. You might define the
abstract state that a MPDCCP implementation should support
The semantics of the confirmation of messages needs to be clearly defined.
The para "The length of the MP_CONFIRM ... MP_ADDADDR." is unclear
Olivier's comment in https://mailarchive.ietf.org/arch/msg/tsvwg/T-9P8iVoU5i89VK9QJXnOG_IsL4/