Many software systems eventually undergo changes to their basic architectural structure. Such changes may be prompted by new feature requests, new quality attribute requirements, changing technology, or other reasons. Whatever the causes, architecture evolution is commonplace in real-world software projects. Today’s software architects, however, have few techniques to help them plan such evolut...

In order to understand and improve software, we commonly examine and manipulate its architecture. For example, we may want to examine the architecture at different levels of abstraction or zoom-in on one portion of the system. We may discover that the extracted architecture has deviated from our mental model of the software and hence we may want to repair it. This paper identifies the commonali...

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Software Architecture plays a key role in software development but absence of formal description of Software Architecture causes different impede in software development. To cope with these difficulties, ontology has been used as artifact. This paper proposes ontology for Software Architectural design based on IEEE model for architecture description and Kruchten 4+1 model for viewpoints classif...

The advent of modern technology shadows its impetus repercussions on successful Legacy systems making them obsolete with time. These systems have evolved the large organizations in major problems in terms of new business requirements, response time, financial depreciation and maintenance. Major difficulty is due to constant system evolution and incomplete, inconsistent and obsolete documents wh...

The ability of reconfiguring software architectures in order to adapt them to new requirements or a changing environment has been of growing interest, but there is still not much formal work in the area. Most existing approaches deal with run-time changes in a deficient way. The language to express computations is often at a very low level of specification, and the integration of two different ...

Design of software architecture is seen as abstraction over the software domain, and describing architecture is considered to be a modeling process. A general view of a modeling process is presented and illustrated in the context of application domain modeling and of software domain modeling. The implications of this perspective are investigated in order to capture objectives and concrete forms...

AUTOSAR supports the re-use of software and hardware components of automotive electronic systems. Therefore, amongst other things, AUTOSAR defines a software architecture that is used to decouple software components from hardware devices. This paper gives an overview about the different layers of that architecture. In addition, the upper most layer that concerns the application specific part of...

Performance is determined by a system’s resources and its workload. Some of these resources are software resources which are embedded in the software architecture; some of them are even created by the software architecture. This paper considers software resources and resource architecture, as an aspect of software architecture, It considers how resource architecture emerges, the relationship of...