According to BUDDHA the way to end suffering is to end existence as existence is suffering according to him?

buddaism has some good princples to live by, MUCH LIKE 12 STEPS OF A.A OR N.A FOR ADDICTS AND ALCOHOLICS, WHO NEED TO WORK CERTAIN STEPS TO CONQUER ONES CRAVINGS! BUDDAHISM TEACHES CERTAIN MORAL PRINCPLES TO LIVE BY TO ATTAIN A DEGREE OF ENLIGHTENMENT ANF THEN NIRVANAA, WHICH SOME W OULD CALL: THEIR HEAVEN, AS CHRISTIANS BELIEVE IN GOING TO HEAVEN TO BE WITH JESUS!