An agile IT architecture in three easy steps

How to build an agile IT architecture in three easy steps, from integrating internal and external systems to developing customer-facing applications

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Business agility isn't just a good idea, it's the new normal. And the role of IT is to enable agility. Business happens in real time these days, driven by global e-commerce, social media networks and consumer IT. Companies have to be agile to keep up with what's going on, and that requires developing IT architectures that allow them to respond quickly as situations change.

The challenge for IT groups is to figure out how to plug their companies into these e-commerce and social media networks -- and then keep them plugged in even as technology and business processes evolve at an accelerating and unpredictable rate. Contemplating this challenge is likely to give you a headache. The job seems impossible. Yet this is what IT pros get paid to do. So let's look at a model of agile IT architecture to guide us in this endeavor.

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The pace of change is now faster outside of company data centers than it is inside. Companies need to connect their data centers with real-time networks composed of cloud computing and data storage platforms , SaaS applications, social networks and consumer IT devices. These technologies are all changing rapidly, and they set the pace. Companies need to integrate their slower-moving internal systems with those faster-moving external systems.

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