A software transformation framework for qualitydriven objectoriented reengineering ladan tahvildari and kostas kontogiannis dept. Qualityaware architectural model transformations in. A framework for software architecture refactoring using model transformations and semantic annotations. A set of possible transformation rules is identified to perform such rearchitecture. Atoolforquality driven architecturemodeltransformation. Techniques and methodologies for the migration of legacy. Home conferences icse proceedings shark 09 model driven approach to software architecture design. Qualitydriven model transformations in the production plan for a software system in the automotive domain. Software architecture descriptions are commonly organized into views, which are analogous to the different types of blueprints made in building architecture. Qualitydriven multiobjective optimization of software.
The remainder of this paper is organized as follows. Modeldriven architecture mda is a software engineering approach that promotes the use of models and model transformations as primary development. Although several model driven approaches exist to predict quality attributes from system models, they still lack the proper level of automation envisioned by model driven software development. Model transformations, mda, software quality, requirements, uml class model, empirical software engineering. Qualitydriven reuse of modelbased software architecture elements. Quality driven software architecture model transformation. A new approach for quality management in pervasive. Design guidelines for the development of qualitydriven model transformations. Understand qualitydriven development with best practices from qa practitioners in techbeacons guide.
Section iii presents information about the quality criteria, metrics to evaluate, and guidelines for a quality driven model transformation. Quality model driven architecture cqmda which can be used for quality control. The design guidelines are defined in the context of a multimodeling approach which, unlike conventional transformation processes that only use source models as input to apply transformations, also uses two additional models. We extend our software architecture metamodel, with a context metamodel. A tooling environment for qualitydriven domainspecific. Section 3 discusses the proposed quality driven software reengineering process. This paper proposes a generic qualityaware transformation process to support the adaptation of software architectures. Qualitydriven software development through robotic test. Choreography modelling languages that are currently used in embedded systems domain, however, are not expressive enough to capture the. A notable exception are the guidelines for quality driven model transformations 12, in which quality is introduced early on the design of the. In this way, the application engineer can experiment with different qualitydriven model transformations which represent design alternatives and choose the one that better satisfies the functional and quality requirements. Finally, the qamt model promotes understandability by following, e.
Transformation rules are modeled as ocl expressions and can be sequentially composed to form a full migration process path. Automated softwarearchitecture componentbased optimization metaheuristic multiobjective qualitydriven softwareproductline domainspecificsearch degreeoffreedom. Software architecture refers to the fundamental structures of a software system and the discipline of creating such structures and systems. Qualitydriven software architecture model transformation ieee. Understandingthearchitectureofan existing system assists on predicting the impact evolutionary changes may have on speci. The next step is to assign objectoriented metrics to software features and correspondingly to the transformations that affect these features in a systematic manner. Exploring approaches of integration software architecture. This time includes management, process improvement and programming as. The work in this dissertation initiates the automation of. The proposed process can be plugged into various software development processes and serviceoriented methodologies due to. Model transformation for multiobjective architecture optimisation for dependable systems being a thesis submitted for the degree of doctor of philosophy in the university of hull by zhibao mian beng. The quality driven model transformation relies on the fact that the functionality of the system can be implemented with a wide variety of. Quality driven transformation compositions for object. Software evolution in modeldriven product line engineering.
According to womack, the best buy transformation introduced ci and deployment tools such as chef and jenkins. Just above the database is the model layer, which often contains business logic and information about the types of data in the database. Towards quality driven exploration of model transformation spaces. The architecture is a key enabler for software systems. Horizontal quality driven architecture model transformation lies on the fact that same software functionality may be implemented with various architectures. Qualitydriven architecture design and quality analysis, a. He focuses on transformations at the platform independent level of abstraction but is. Brand architecture, corporate strategy, strategy business, enterprise architecture, business model canvas, architects.
Software quality attribute analysis by architecture. A tooling environment for qualitydriven domainspecific modelling janne merilinna vtt technical research centre of finland. Applying a twostep model refinement transformation, the approach. Karlsruhe series on software design and quality sdq kit. Knowledge based qualitydriven architecture design and evaluation. Aqosa automated qualitydriven optimisation of software architecture. Qdsm including a stateoftheart means for supporting qualitydriven software development are discussed in section 2. Quadra includes several structured methods which guide software engineers in quality and patternbased codevelopment of requirements and early design alternatives in an iterative and concurrent manner. Exploring qualityaware architectural transformations at. One of the important benefits of model to model transformation is that it allows architects to design iteratively by analyzing and studying alternative or optimal solutions without redesign of the software architecture models or quality analytic models.
Home conferences icse proceedings shark 09 modeldriven approach to software architecture design. Qualitydriven software reengineering sciencedirect. He focuses on transformations at the platform independent level of abstraction but is mainly concerned on how the architecture model needs to be modi ed accordingly to changes or variations in the. Quality aware software architecting extends model and quality driven architecture design and evaluation with the means of a knowledge engineering discipline in order to increase the use of existing design knowledge in the development of complex software intensive systems.
Modeldriven architecture mda is a software engineering approach that promotes the use of models and model transformations as primary development artifacts. Itil aims to help service providers offer their services in a qualitydriven and costeffective way. Each structure comprises software elements, relations among them, and properties of both elements and relations. The ultimate goal of qamt is to multiply the productivity of individual software modellers with advanced modelling tools. The model viewcontroller mvc structure, which is the standard software development approach offered by most of the popular web frameworks, is clearly a layered architecture. Exploring qualityaware architectural transformations at run. The driving force between alternative architectures are quality requirements e. Modelbased systems engineering scaled agile framework. Besides, matinlassi 17 aims automation of his quality driven architecture model transformation approach. Qualityaware architectural model transformations in adaptive. Increasing the quality of model transformation with m3. He focuses on transformations at the platform independent level of abstraction but is mainly concerned on how the architecture model needs to be modi ed accordingly to changes or variations in the required quality properties.
Horizontal qualitydriven architecture model transformation lies on the fact that same software functionality may be implemented with various architectures. Reflection on software architecture practices what works, what remains to. Qualitydriven software architecture model transformation neone. Towards a selfadaptive serviceoriented methodology based. Microservices are the latest software architecture trend, and its evangelists preach enterprise microservices adoption. The transformation process has been applied in enia, a geographic information system, by constructing a specific quality model for the adaptation of mashup user interfaces. The architecture of a software system is a metaphor, analogous to the architecture of a building. It promotes the use of models and model transformations as the primary artefacts to be built and maintained. We propose a selfadaptive process sap that maintains the software architecture quality using the mapek standard model. Quality driven software architecture model transform. Section 2 defines the problem of quality driven reengineering. It provides an instantiation of the twin peaks model for supporting the intertwining relationship of requirements and software architecture. Section iii presents information about the quality criteria, metrics to evaluate, and guidelines for a qualitydriven model transformation. Generalizing a model of software architecture design from five industrial approaches.
A software transformation framework for qualitydriven. Were upgrading the acm dl, and would like your input. Microservices are the latest software architecture trend. Developing systematic ways to relate the software quality attributes of a system to the systems architecture provides a sound basis for making objective decisions about design tradeoffs and enables engineers to make reasonably accurate predictions about a. A software transformation framework for qualitydriven object. Modeldriven approach to software architecture design. Each view addresses a set of system concerns, following the conventions of its viewpoint, where a viewpoint is a specification that describes the notations, modeling, and analysis techniques to use in a view that expresses the architecture. Design guidelines for the development of qualitydriven model. Qualityoriented software architecture development vtt. The concept of qualitydriven software architecture model transformation qamt is concerned with the latter, tools. Quality aware software architecting extends model and qualitydriven architecture design and evaluation with the means of a knowledge engineering discipline in order to increase the use of existing design knowledge in the development of complex software intensive systems. Techniques and methodologies for the migration of legacy systems to object oriented platforms by ying zou a thesis presented to the university of waterloo in ful.
Verifying that a software system has certain nonfunctional properties is a primary concern in many engineering fields. Architecture which includes support for software architecture quality control and resources requirements. A set of possible transformation rules is identified to perform such re architecture. Introduction software evolves in reaction to various environmental. Most of the existing model transformation processes focus on the functionalities of systems, giving less importance to the qa, also known as nonfunctional requirements or ilities 8. Information technology infrastructure library version 4, commonly known as itil 4. This paper proposes a generic quality aware transformation process to support the adaptation of software architectures. Towards quality driven exploration of model transformation. Model transformation for multiobjective architecture. Switching from model to model requires a model transformation. To avoid designrelated performance problems, modeldriven performance prediction. Quality driven model transformation is a horizontal transformation where varying quality attributes of a software product are the driving force for transformation. Architecture based design abd method 1 is a quality driven method for designing the software architecture.
Enterprise architecture in a digital world by randy l. Model driven approach to software architecture design. A software transformation framework for quality driven objectoriented reengineering ladan tahvildari and kostas kontogiannis dept. However, the biggest change was moving to riak, a distributed. Software architecture refers to the fundamental structures of a software system and the. These models provide an efficient way to virtually prototype, explore, and communicate system aspects, while significantly reducing or. Software architecting is a nontrivial and demanding task for software engineers to perform. This research bridges the gap between nfr framework, software architecture evolution, and software transformations.
The set of transformations are provided by the qarfs. Itil 4 provides a set of guiding principles and best practices that are commonly used by organizations around the world to generate value and deliver highquality and costeffective services to consumers and customers. Wicsa 05 proceedings of the 5th working ieeeifip conference on software architecture pages 199200 november 06 10, 2005. This research introduces an automation model for quality driven software architecture model transformation. Computer independent model cim, platform independent model pim, and platform specific model psm, and proposes the software development as a process of elaboration and transformation of the models according to. Qualitydriven software development for maintenance. If not corrected, such violations can transform the architecture into a. Evaluation of uml tools for modeldriven architecture. The main contribution of this work is the presentation of five recently approaches based on the definition of a framework which applies. A notable exception are the guidelines for quality driven model transformations 9, in which quality is introduced. Pdf modeldriven approach to software architecture design. The qualitydriven model transformation relies on the fact that the functionality of the system can be implemented with a wide variety of.
The traditional role of the enterprise architecture team has been to develop a holistic companywide model that aligns the it strategic plan with the companys business strategy, processes and information assets. Design guidelines for the development of qualitydriven. Model transformation is a common approach to adapt the componentbased architecture of software systems 20. In this paper, we present an extended model driven. Model based systems engineering mbse is the practice of developing a set of related system models that help define, design, analyze, and document the system under development. Knowledge based qualitydriven architecture design and. Model transformation for multiobjective architecture optimisation for dependable systems. They say software is getting smallermicro, in fact. Qualitydriven software architecture model transformation. Computer systems are used in many critical applications where a failure can have serious consequences loss of lives or property. To avoid designrelated performance problems, modeldriven performance. So far, the research effort on model driven architecture has been focusing on automating vertical transformations such as code generation. Qualitydriven software architecture model transformation qamt denotes changing an architectural model according to changing or varying quality properties. A framework for software architecture refactoring using.
This research introduces an automation model for qualitydriven software architecture model transformation. A notable exception are the guidelines for qualitydriven model transformations 9, in which quality is introduced. Section 2 defines the problem of qualitydriven reengineering. One of the important benefits of modeltomodel transformation is that it allows architects to design iteratively by analyzing and studying alternative or optimal solutions without redesign of the software architecture models or quality analytic models. Qualitydriven model transformation is a horizontal transformation where varying quality attributes of a software product are the driving force for transformation. This short paper introduces quality driven software architecture qdsa as a method to ensure qualities such as maintainability, modularity, scalability, or extensibility in software. Aspectoriented modeldriven approach to architecture design. Decompose the monolith and decouple your infrastructure are mantras that echo from the boardroom to the developer terminal. Mari matinlassi has four years handson experience on developing large and small software systems in industrial settings. Architecture styles and design patterns are applied as driving factors in 2 but mapping requirements to software architecture is quite vague. Model driven architecture mda is a software engineering approach that promotes the use of models and model transformations as primary development artifacts. Quality driven software architecture model transformation qamt denotes changing an architectural model according to changing or varying quality properties, wherein a quality property is a nonfunctional interest of one or more. In order to achieve productive software development with high quality software products, skilled people and effective tools are needed.
Qualitydriven software architecture model transformation qamt denotes changing an architectural model according to changing or varying quality properties, wherein a quality property is a nonfunctional interest of one or more. Quality driven model transformations in the production plan for a software system in the automotive domain. Existing model transformation processes focus on the functionalities of systems, giving less importance to the qa, also known as nonfunctional requirements or ilities 3. Gartners maturity model for ea with images enterprise. The introduced coupled transformations method uses this relationship to include. Besides, matinlassi 17 aims automation of his qualitydriven architecture model transformation approach. Exploring qualityaware architectural transformations at runtime. A tool for qualitydriven architecture model transformation. Dec 30, 2011 in this way, the application engineer can experiment with different quality driven model transformations which represent design alternatives and choose the one that better satisfies the functional and quality requirements.
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