4 1 software architecture

A system architecture is a conceptual model that defines the structure, behavior, and more views of a system. Software architecture serves as the blueprint for both the system and the project developing it, defining the work assignments that must be carried out by design and implementation teams. A good thesis will have a strong introduction that states a hypothesis to be tested, identifies a clear aim and objectives, and provides a so. This use of multiple views allows to address separately the concerns of the various stakeholders of the architecture. Logical view or structural view an object model of the design 2.

For the love of physics walter lewin may 16, 2011 duration. Software architecture constrains its allocation to structure when other quality attributes are important. This article presents a model for describing the architecture of softwareintensive systems, based on the use of multiple, concurrent views. The paper presents a model for presenting software architectures based on the use of multiple, concurrent views. The software architecture of a program or computing system is a depiction of the system that aids in understanding how the system will behave.

In recent years a realization has grown of the importance of software architecture. This publication doesnt make specific references to uml. Describing the architecture of softwareintensive systems, based on the slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Layered architecture the most common architecture pattern is the layered architecture pattern, otherwise known as the ntier architecture pattern. Architects capture their design decisions in four views and use the fifth view to illustrate and validate them. This term also references software architecture documentation, which facilitates stakeholder communication while documenting early and highlevel decisions regarding design and design component and pattern reuse for different projects. Software architecture software engineering institute. This synthetic approach is a little theoretical at times, but the authors also present over a dozen patterns and provide. Development view or implementation view static organization subset of the software 4. Understanding quality attributes in software architecture. Abstract this article presents a model for describing the architecture of softwareintensive systems, based on the use of multiple, concurrent views.

The purpose of separating the architecture into multiple concurrent views was to isolate and illustrate different aspects of the design with information specifically oriented towards different stakeholders. In this course you will study the ways these architectures are represented, both in uml and other visual tools. The logical view describes the designs object model when an objectoriented design method is used. Scope the scope of this sad is to depict the architecture of the distributed team collaboration processes ii tool dtcpii tool online application created by the students of omse555 20102012. This article presents a model for describing the architecture of software intensive systems, based on the use of multiple, concurrent views. Also i am interested on to marry lightweight processes and architecture. Paper published in ieee software 12 6 november 1995, pp. The logical view describes the designs object model, the process view describes the designs concurrency and synchronization aspects. A software architect is a software expert who makes highlevel design choices and dictates technical standards, including software coding standards, tools, and platforms. Layered architecture software architecture patterns. Citeseerx document details isaac councill, lee giles, pradeep teregowda.

This document provides a comprehensive architectural overview of the system, using a number of different architectural views to depict different aspects of the system. Software architecture is a structured framework used to conceptualize software elements, relationships and properties. It is intended to capture and convey the significant architectural decisions which have been made on the system. The logical view describes the designs object model, the. Model to capture the description of software implementation or architecture into. In november 1995, while working as lead software architect at hughes aircraft of canada philippe kruchten published a paper entitled.

This use of multiple views allows to address separately the concerns of the various stakeholders of. 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. Kruchten, documentation of software architecture from a knowledge management perspectivedesign. Process view or behavioral view concurrency and synchronization aspects 3. Software architecture descriptions are commonly organized into views, which are analogous to the different types of blueprints made in building architecture. The definition of software architecture as per ieee recommended practice for architectural description of software. Software architect software architecture is the fundamental organization of a system, represented by its components, their relationships to each other and. Scope the scope of this sad is to depict the architecture of the online catering application created by the company yummy inc.

Autosar focuses on main strategic targets as modularity, configurability and transferability of software modules, and the. The way that software components subroutines, classes, functions, etc. The views are used to describe the system from the viewpoint of different stakeholders, such as endusers, developers, system engineer, and project managers. The four views are the logical view, development view, process view, and physical view.

Requirements for a system come in a variety of forms. According to bass et al 1, the software architecture of a system is the structure or structures of the system, which comprise software components, the externally visible properties of. This statement sounds rather bold at first, but when you think about it you realize that it cannot be otherwise. This chapter provides the context for the discussion of specific quality attributes in chapters 511. The logical view focuses on functionality exposed to end users. In summary, you can think of the c4 model as a simplified version of the underlying concepts, designed to 1 make it easier for software developers to describe and understand how a software system works and 2 to minimise the gap between.