
190 ◾ Green IT Strategies and Applications
architecture, information architecture, application architecture, technology architecture, and
operational architecture. ey have also added performance architecture, which has been added
for the sake of accountability and continual improvement to the enterprise and is meant to cut
across all other domain architectures. e overall GEA encompasses all of these architectures and
provides constraints, limitations, and requirements for each of these architectural domains. For
example, in Figure 6.1, the GIA domain deals with the needs and capabilities of the organization,
the technical-solution space ...