In his essay below, Mr. Ian Martin who served as SRSG and head of UN peace missions in Libya, Nepal, Timor-Leste and other countries wrote that all UN peace operations are political in nature and there is a case for designer missions and expressed his views on the next UN reform.
Mr. Ian Martin was formerly Special Representative of the Secretary-General in the United Nations Support Mission in Libya (UNSMIL). Prior to that, he was the Special Adviser to the Secretary-General on Post-Conflict Planning for Libya, a position in which he led the integrated pre-assessment process, coordinating with the United Nations system and with the Libyan transitional authorities. He has also led Headquarters Board of Inquiry into incidents in the Gaza Strip. Mr. Martin has previously served as Special Representative of the Secretary-General in Nepal; Special Envoy for Timor-Leste; Representative in Nepal of the United Nations High Commissioner for Human Rights; and Deputy Special Representative of the Secretary-General in the United Nations Mission in Ethiopia and Eritrea.
Martin, Ian  “All Peace Operations Are Political: a Case for Designer Missions and the Next UN Reform” in Review of Political Missions 2010, edited by Center on International Cooperation, pp.8-14, http://cic.nyu.edu/content/review-political-missions-2010, (cited 2015-03-12).