The primary reason for developing an architecture is that it provides the technical foundation for an effective IT strategy, which in turn is the core of any successful modern business strategy.Today’s CEOs know that the effective management and exploitation of information through IT is the key to business success, and the indispensable means to achieving competitive advantage. An IT architecture addresses this need, by providing a strategic context for the evolution of the IT system in response to the constantly changing needs of the business environment.Furthermore, a good IT architecture enables you to achieve the right balance between IT efficiency and business innovation. It allows individual business units to innovate safely in their pursuit of competitive advantage. At the same time, it assures the needs of the organization for an integrated IT strategy, permitting the closest possible synergy across the extended enterprise.The technical advantages that result from a good IT architecture bring important business benefits, which are clearly visible in the bottom line:A more efficient IT operationLower software development, support, and maintenance costsIncreased portability of applications Improved interoperability and easier system and network managementA better ability to address critical enterprise-wide issues like securityEasier upgrade and exchange of system componentsBetter return on existing investment, reduced risk for future investmentReduced complexity in IT infrastructureMaximum return on investment in existing IT infrastructureThe flexibility to make, buy, or out-source IT solutionsReduced risk overall in new investment, and the costs of IT ownershipFaster, simpler, and cheaper procurementBuying decisions are simpler, because the information governing procurement is readily available in a coherent plan.The procurement process is faster - maximizing procurement speed and flexibility without sacrificing architectural coherence
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