Sudan will fail to enjoy the fruits of peace if it does not democratise both its peace process and its political system during the six-year transitional period following the signing of a comprehensive agreement, according to the South Africa-based think-tank, the Institute for Security Studies (ISS). "A sustainable peace is unlikely unless a government is established that enjoys the confidence of the Sudanese masses and demonstrates an unqualified commitment to peace," said ISS in a report issued this week.