Software architecture viewpoints definition

A viewpoint is a collection of patterns, templates, and conventions for constructing one type of view. Viewpoint definition, a place affording a view of something. This is an introductory lecture to software architecture views and. A view is a representation of a whole system from the perspective of a related set of concerns. A view model or viewpoints framework in systems engineering, software engineering, and enterprise engineering is a framework which defines a coherent set of views to be used in the construction of a system architecture, software architecture, or enterprise architecture. The capability viewpoint articulates the capability requirements, the delivery timing, and the deployed capability. There are different schools of thought that prefer one architecture viewpoint over the other and, hence, practice and promote its adoption. Viewpoint definition and meaning collins english dictionary. Each structure comprises software elements, relations among them, and properties of both elements and relations. Models are representations of how objects in a system fit structurally in and behave as part of the system. Use cases and use case models are the most common means of capturing the requirements viewpoint. Software architecture refers to the fundamental structures of a software system and the discipline of creating such structures and systems. These aspects are determined by the concerns of a stakeholder with whom communication takes place. The viewpoint has been defined based on a welldefined metamodel that.

Architects tend to assume that the outwardfacing information the systems runtime context, its scope and requirements, and so forth is clearly and unambiguously defined elsewhere. Meaning, pronunciation, translations and examples log in dictionary. The context viewpoint software systems architecture. Software architecture is the defining and structuring of a solution that meets technical and operational requirements. The architecture of a software system is a metaphor, analogous to the architecture of a building. An architecture viewpoint for modeling dynamically configurable software systems.

It defines the stakeholders whose concerns are reflected in the viewpoint and the guidelines, principles, and template models for constructing its views. Since the early 1990s there have been a number of efforts to prescribe approaches for describing and analyzing system architectures. Part of the course on advanced software engineering, a. We define a viewpoint again after ieee standard 1471 as follows.

Software architecture optimizes attributes involving a series of decisions, such as security, performance and manageability. The all viewpoint describes the overarching aspects of architecture context that relate to all viewpoints. Views and beyond documenting software architectures. What should and should not be visible from a specific viewpoint is therefore entirely dependent on the argumentation with respect to a stakeholders concerns. Architectural frameworks, models, and views the mitre. Architecture viewpoint an overview sciencedirect topics. An architecture framework is an encapsulation of a minimum set of practices and requirements for artifacts that describe a systems architecture.

These early ideas on viewpointoriented software engineering have found their way into isoiec 42010. Someones viewpoint is the way that they think about things in general, or the way they. Many architecture descriptions focus on views that model the systems internal structures, data elements, interactions, and operation. It functions as a blueprint for the system and the developing project, laying out the tasks necessary to be executed by the design teams. Viewpoints definition, a place affording a view of something.

Software architecture views and viewpoints slideshare. Views and viewpoints in software systems architecture mit. This is an introductory lecture to software architecture views and viewpoints, part of the advanced software engineering course, at the university of laquila, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Viewpoints are a means to focus on particular aspects of the architecture. Architecture viewpoints the open group publications catalog.