Structural complexity in architecturecentric software evolution. Architecture centric georgia tech software development process. Architecturecentric software evolution by software metrics and design patterns. Without this, theres no point in using highlevel software architectures. Classification and comparison of architecture evolution. Useful approaches for these goals, in turn, can only be found by an evolutionary approach. Architecture centric evolution ace that merges functional and architecture roadmaps, with transparent and visible execution of architecture imperatives. A software architecture is a shared mental model of. The book covers various aspects of economicsdriven architecting, including architecture based economic modeling, tools and techniques for modularity decision support, the architecture and its relationship to project inception and evolution, economic aspects of architecture based. The proposed metric is based on a mathematical model representing the maintainability snapshot of a system. To address these challenges, we aim to empirically identify reusable solutions as discovered change patterns that promote reuse and efficiency in architecture centric software evolution acse. The left side presents an architectural smell as observed in a particular context such as viewpoint or abstraction level, pertaining to certain quality attribute qa concerns. Academics in architecturecentric software evolution.
Architecturecentric software migration for the evolution. Software quality and productivity are critical to software evolution. The evolution of enterprise architecture smarter with gartner. Architecture drives not only supports the entire software lifecycle including deployment. Continuous deliverables that accelerate the creation of architecture artifacts and allows reusable incremental analysis, design, and. A threelevel formal model for software architecture evolution. My decision and task centric view on ars complements and extends that of michael stal, who published the first catalog. Despite the general acceptance of software architecture as a pivotal player in software engineering, software evolution techniques have been traditionally concentrated on the code level. Classification and comparison of architecture evolutionreuse.
Here, it is considered whether such an approach produces systems that are. In the presented architecture centric software evolutionmethod thequalityofa softwaresystem is assured inthe software design phase by computingvarious kinds of design metrics from the system architecture, by automatically ex. Archstudio 20 is an architecture centric ide, based on the c2 architectural style 25. We propose an architecture evolution process based on the formal foundations of our threelevel adl dedal 5. In my view, an architectural refactoring revisits certain architectural decisions 3 and selects alternate solutions to a given set of design problems. Furthermore the revision of nonfunctional requirements and especially crosscutting issues can only be managed efficiently at an architectural level.
This is the underlying philosophy of the architecture centric development method acdm. Written for project managers and software architects, architecture centric software project management demonstrates how to draw on software architecture to design schedules, generate estimates, make scope decisions, and manage the development team for a successful outcome. Software systems are increasingly required to operate in an open world, characterized by continuous changes in the environment and in the prescribed requirements. However code centric evolution techniques have not managed to effectively solve the problems that software evolution entails. Software evolution has largely been focused on lowlevel implementation artefacts through refactoring techniques rather than the architectural level. Architecturecentric development and evolution processes for.
Citeseerx document details isaac councill, lee giles, pradeep teregowda. Architecture centric evolution has the advantage of improving quality attributes. The workshop on architecture centric evolution ace 2005 attempted to explore the evolution of software systems based on their architecture. The c2 style is an event and componentbased style, which allows dynamic evolution of the software system at runtime 12, due to its enforced decomposition into units of computation and data store, called components, and units that enable the interaction.
Designing evolutionary architecturecentric componentbased. Instead a paradigm shift is emerging, where the evolution approaches put software architecture on the spotlight. An architectural design decisioncentric approach to. Architecturecentric overview of the unified process. An architecturecentric approach for information system architecture modeling, enactement and evolution 19 expression and checking that place the architecture in the heart of a software intensive system life cycle. A task centric view on software evolution abstract. This paper presents architecturecentric software migration, an ap. Architecture offers abstractions on the key properties, structure, and behavior of software systems and thus imposes order on the inherent complexity. Cura 4x4 complexsystems unified reference architecture 1 architectural centric evolution ace. In the presented architecturecentric software evolutionmethod thequalityofa softwaresystem is assured inthe software design phase by computingvarious kinds of design metrics from the system architecture, by automatically ex. Architecturecentric evolution evolutionary architecturecentric development for systems and spl kernel first approach develop initial version of system or kernel of spl kernel is similar to single system evolutionary development approach consider evolution as an iteration in software development modelbased evolution.
There is constant search for techniques and approaches to help enhance overall software maintenance effectiveness and reduce cost. View academics in architecturecentric software evolution on academia. Patterndriven reuse in architecturecentric evolution for. The existing research and practices for acse primarily focus on design. Software engineering processes and methods for architecture centric evolution theoretical aspects of architecture centric evolution, e.
Citeseerx architecturecentric software evolution by. Ea traditionally focuses on the people, processes, information and technology of the enterprise and their relationships to one another to make decisions about futurestate architecture. Jan 11, 2019 as such, 50% of ea programs will be supported by aienabled software for planning, governance, assurance and it asset management purposes by 2022. Architecturecentric development produces descriptions for architecture speci. Based on the proposed model, this paper provides an architectural design decision centric approach to architectural evolution. The protocol description is organized in 3 sections as follows. This shift focuses on effectively documenting and modifying the architectural design decisions during. In the presented architecture centric software evolution method the quality of a software system is assured in the software design phase by computing various kinds of design metrics from the system architecture, by automatically. A framework for classifying and comparing architecture. We propose architecture change mining as a complementary phase to a systematic architecture change execution.
An architecturecentric approach for information system. Within the patevol project ahmad and pahl, 2012a we aim at supporting patterndriven reuse in architecturecentric evolution for service software. The paper shows how dedal, a threelevel adl, can be used to support the consistent description of these three. The stateofthepractice is comprised of refactoring and reengineering techniques that focus on code artefacts. The workshop on architecturecentric evolution ace 2005 attempted to explore the evolution of software systems based on their architecture. In the presented architecture centric software evolution method the quality of a software system is assured in the software design phase by computing various kinds of design metrics from the system architecture, by automatically exploring instances of design patterns and. In a previous computer column, how business goals drive architectural design aug. In architecturecentric software engineering the product becomes the focal point no single right software process for architecturecentric software engineering exists 26 software architecture foundations, theory, and practice turbine a new visualization model goals of the visualization provide an intuitive sense of. In the presented architecturecentric software evolution method the quality of a software system is assured in the software design phase by computing. Nov 19, 2016 38 videos play all software testing tutorials software and testing training monolithic vs microservice architecture debate duration. We are looking at approaches to help bridge this gap of architecture centric software evolution. It is shown how software metrics and architectural patterns can be used for the management of software evolution. Architecturecentric software evolution by software. In section 1 we discuss background and justify our study.
Essential for this is an architecture toimplementation mapping. However codecentric evolution techniques have not managed to effectively solve the problems that software evolution entails. Architecturecentric software evolution acse is considered as an approach to support software adaptation at a controllable level of abstraction in order to survive in the. The advantage of a gating approach via architecturedesign is the potential savings in downstream maintenance costs due to conformant code. In the presented architecturecentric software evolution method the quality of a software system is assured in the software design phase by computing various kinds of design metrics from the system architecture, by automatically exploring instances of design patterns and antipatterns from the architecture, and by reporting potential quality problems to the designers. Architecturecentric software migration for the evolution of.
Software architecture is being viewed as a key concept in realizing an. Architecturecentric software development claudio riva principal scientist. Economicsdriven software architecture sciencedirect. Pdf a framework for classifying and comparing architecture. In the presented architecture centric software evolution method the quality of a. A structured representation of an architectural refactoring ar.
Architecture centric georgia tech software development. Architecturecentric software evolution by software metrics. In the presented architecturecentric software evolution method the quality of a software system is assured in the software design phase by computing various kinds of design metrics from the. Cura analysis and design fundamentals for incremental evolution 3. Structural complexity in architecturecentric software. Aspects of an architecture include static elements, dynamic elements, how those elements work together, and the overall architectural style that guides the organization of.
A refactoring aims to improve a certain quality while preserving others. To address these problems, this paper proposes a metamodel of architectural design decisions for making them more explicit. Coevolution of platform architecture, governance, and environmental dynamics amrit tiwana university of georgia benn konsynski emory university ashley a. The purpose of this book is to introduce and discuss the concept of economicsdriven software architecture edsa. Difference between software architecture and software design. Bush florida state university forthcoming in information systems research abstract the emergence of software based platforms is shifting competition towards platform centric ecosystems. As a consequence of frequent business and technical change cycles, the architect requires a reusecentered approach to systematically accommodate recurring changes in existing software. An architecturecentric evolution perspective rami bahsoon1 and wolfgang emmerich2 1school of engineering and applied science, computer sc, aston university birmingham, uk, r. This leads to some problems such as software inconsistency and regression test. Architecturecentric software migration for the evolution of webbased systems martti jeenicke university of hamburg, faculty of informatics, software engineering group, vogtkollnstra. Our patevol project aims at supporting patterndriven reuse in architecturecentric evolution for service software. Software engineering processes and methods for architecturecentric evolution theoretical aspects of architecturecentric evolution, e. Architecture also connects software systems to development organizations, processes, and other. The definition in uml explained is as follows the fundamental organization of the system as a whole.
Jd edwards enterpriseone architecture provides a flexible, configurable solution in the face of constantly changing technology and enterprise practices. Architectural refactoring a taskcentric view on software. Bush florida state university forthcoming in information systems research abstract the emergence of softwarebased platforms is shifting competition towards platformcentric ecosystems. We rely on architecture change mining analysing im plicit evolutioncentric knowledge as a complemen tary phase to. The workshop delved into this field, by presenting the latest research advances and by facilitating discussions between experts. Curas architecture stack 4lhl architecture layers 4.
Software evolution is inevitable due to changes in requirements and technology. Architecturecentric software evolution acse is considered as an. Architecture is the key factor for success in the development and evolution of software systems. Abstract despite the general acceptance of software architecture as a pivotal player in software engineering, software evolution techniques have been traditionally concentrated on the code level. In architecture centric software engineering the product becomes the focal point no single right software process for architecture centric software engineering exists 26 software architecture foundations, theory, and practice turbine a new visualization model goals of the visualization provide an intuitive sense of.
In the context of software, the term architecture has different meanings depending on whom you ask. Cura process business and functional phases and their related views 5. It has been over twenty years since the introduction of the first software process. View academics in architecture centric software evolution on academia. Jd edwards enterpriseone architecture separates business rules from the underlying technology. The right side sketches the refactored architecture and identifies related design. The second workshop on the theme of architecture centric evolution attempted to explore the issues that such evolution approaches are dealing with, as well as the trends that emerge in this area. Written for project managers and software architects, architecturecentric software project management demonstrates how to draw on software architecture to design schedules, generate estimates, make scope decisions, and manage the development team for a successful outcome. Architecturecentric development and evolution processes. Section 2 gives a general overview of the research methodology. We rely on architecture change mining analysing implicit evolutioncentric knowledge as a complemen.
1547 1056 888 1037 732 1230 1381 1016 81 943 411 1574 1551 885 1026 1143 355 1600 1653 220 778 1173 1171 309 742 768 685 1094 1603 205 404 116 1472 187 1430 1295 166