Iranian Research letter of International Politics

Abstract With the complexity of the international system and its chaos, foreign policy of countries as part of this system no longer follow the linear logic of the past. Therefore, in the field of foreign policy, there is a need for a new analytical system based on the characteristics of such a system. The West Asian system is heavily influenced by the complexity of the international system. Considering of this point, the main qiestion of this research is what is  the principles and basics of Iran’s foreign polciy strtegy in the west asian regional system considering the complexity which are controlling this network ? The diversity of threats, the diversity of actors, dynamics interference, nonlinear behavior patterns, and the intense cluster of network is the characteristics that Iran faces with them in west Asian network, and according to it, the strategic diversity in west of Asia networking and the strategic system based on triangular _ network deterrence  is axis of Iran's foreign policy in West Asia.