EA consists of a series of architecture activities that will be conducted at the whole organisation wide. It's always advisable to do EA at organization level instead of business unit level since by putting same standard throughout the whole company might save you a bit of efforts of re-accessing company's mission and vision all over again whenever there is such a need to do EA outside one business unit.

In short, EA is a corporate initiative to align its IT functions with business needs.

Often the time, IT departments are just taking tasks or requirements from management or business departments and they just blindly follows what URS(User requirement specification) covers. This reactive behavior results in misunderstanding between IT geeks and business people, to make things even worse, IT geeks are using a totally different language compared to those money-minded people. This could be one root cause of why IT projects fail mostly, really, it's not because of technol
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