Software architecture refers to the high-level structures of a software system and the discipline of creating such structures. It involves the set of significant decisions about the organization of a software system including the selection of structural elements and their interfaces by which the system is composed and behavior as specified in collaborations among those elements. Software architecture positions at the core of software engineering and plays the ultimate role of providing fundamental organization of a software system. Software architecture is an important source for influencing the quality of software’s entity and it is a critical research topic in software engineering.