1. Introduction

Enterprises are in a state of flux. New business requirements are challenging enough to drive innovations in information technologies. Such advancements are pushing enterprises to newer business challenges. Significant innovations always impact architectural requirements. This has transformed enterprises from a state in which there was no concept of architecture to a state in which a significant amount of architectural planning is the most important step in an enterprise solution. Although the functionality of enterprise applications drove the requirements of the enterprises in an earlier era, the nonfunctional parts are now controlling the enterprise architecture requirements. The multifarious nature of enterprise businesses ...

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