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Enterprise architecture as a comprehensive approach tries to link organizational strategies with information and process architecture. The benefits of enterprise architecture can be summed up using three words: better, faster, cheaper. In other words, enterprise architecture is about to create an organization to deliver services with low cost and in a quicker way to customers.
This article by defining enterprise architecture tries to compare various levels of the architectures in gas and Petrochemical industries in Iran. The Findings of this research provide a valuable insight into architecture differences between gas and petrochemical industries in four levels of business, information, applications, and technology.