As a registered member of SearchSOA.com, you're entitled to a complimentary excerpt from the book Eating the IT Elephant: Moving from Greenfield Development to Brownfield written by Richard Hopkins and Kevin Jenkins and published by IBM Press. " Abstraction Works Only in a Perfect World" focuses on how IT systems have grown increasingly larger and more complex over time.
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This chapter examines the necessary technical context, requirements, and characteristics of the "IT Elephant Eater." The chapter then goes on to analyze existing IT elephant-eating approaches and highlights the problems these approaches present with their extensive use of decomposition and abstraction.