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Practical Guide to Enterprise Architecture, A by Elias K. Jo, Vikas Sharan, James Linn, Michael E. Stevens, Scott W. Ambler, James McGovern

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Canaxia's applications developed in-house were previously developed in a monolithic manner whereby each application performed every step in a process that was required to complete a business function. Additionally, different IT areas within Canaxia developed applications in a tactical manner with no thought on reuse or a shared enterprise view. This resulted in multiple sources for customers, accounts, billings, and manufacturing data, with no single database being the authoritative source. Each application had its own rendition of name, address, and contact information.

Kello James would like the data architecture to accommodate the establishment of an authoritative source for each data element. He has realized this will be difficult ...

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