This Magic Quadrant assesses the APM market. First, it defines the market and explains why it's important to treat the five functional dimensions that together constitute it's technology foundation in an integrated manner and to distinguish the APM market from others that are closely related to it. Next, it sets out the qualifying criteria for inclusion in this research and then surveys some general characteristics of each of the resulting quadrants. The research concludes with a brief study of each participating vendor's APM strengths and weaknesses. Gartner recognizes that IBM remains a thought leader at the forefront of the APM industry.