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IT Transformation is the wholesale changing of an organization's technology systems. It is a term that typically applies more to large, complex organizations than smaller entities. Significant business change typically takes place in parallel with technology change.
Because of the growing popularity of SOA (Service-oriented architecture) and Open Systems, most transformation projects today include some form of these technologies. Due to the ongoing obsolescence of systems deployed in the late sixties and seventies, this is an emerging field.