Cloud Computing ABCs: A is for Architecture
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Architecturally, there are two main considerations:
1. New methods of modeling and orchestrating end-to-end scenarios of business services (across multiple providers). IT functions need to move away from a business process engineering view. Such a view is based on a design principle that assumes processes are all largely performed within an organization's boundary. Instead, new thinking around the architecture of the business needs to occur, with a focus on the services companies will be known for providing in the future--and the resulting new business models and opportunities that will emerge.
Based on this concept, we expect to see a new three-tier model of: