The British Ministry of Defence Architecture Framework (MODAF) is an architecture framework which defines a standardised way of conducting enterprise architecture, originally developed by the UK Ministry of Defence. The British Ministry of Defence Architecture Framework (MODAF) is an architecture framework which defines a standardised way of conducting enterprise architecture, originally developed by the UK Ministry of Defence. Initially the purpose of MODAF was to provide rigour and structure to support the definition and integration of MOD equipment capability, particularly in support of network-enabled capability (NEC).