Is the IPCC still relevant to UNFCCC?

In a recent post on the United Nations Framework Convention on Climate Change [UNFCCC] post-Durban quarter-backing, Dr. Judith Curry asks: My main question at this point is whether the [Intergovernmental Panel on Climate Change] IPCC is relevant to what is going on at this point with the UNFCCC? If the AR5 has higher confidence in…