Does the principle of sovereignty promote security or threaten it?

Todays concept of sovereignty, is based around the ideas created in the early to mid-17th century; founded on the idea of a centralised power that controls the processes of law within a given territory. The authority in this territory is supreme to any other forces making themselves felt within it, and they have power over their own internal affairs and policy making, no other nation has the right to interfere in any form of the government. Only international law and treaties bind the sovereign state, these laws make sovereignty a legal concept and only a small number exist without the consent of the nation . This legality of sovereignty leads to the recognition of a sovereign state by other nations….(short extract)