4 1 software architecture

The logical view describes the designs object model, the process view describes the designs concurrency and synchronization aspects. This chapter provides the context for the discussion of specific quality attributes in chapters 511. Development view or implementation view static organization subset of the software 4. 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. In the last few years, i have been interested in architectural design decisions and architectural knowledge. Functionality and quality attributes are orthogonal. The definition of software architecture as per ieee recommended practice for architectural description of software. 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. In recent years a realization has grown of the importance of software architecture.

Process view or behavioral view concurrency and synchronization aspects 3. The logical view focuses on functionality exposed to end users. Here are some recent publications on this topic most recent first. In november 1995, while working as lead software architect at hughes aircraft of canada philippe kruchten published a paper entitled.

The logical view describes the designs object model, the. Requirements for a system come in a variety of forms. It is intended to capture and convey the significant architectural decisions which have been made on the system. This statement sounds rather bold at first, but when you think about it you realize that it cannot be otherwise. 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. The views are used to describe the system from the viewpoint of different stakeholders, such as endusers, developers, system engineer, and project managers. Also i am interested on to marry lightweight processes and architecture. This use of multiple views allows to address separately the concerns of the various stakeholders of. Logical view or structural view an object model of the design 2. Autosar focuses on main strategic targets as modularity, configurability and transferability of software modules, and the.

Architects capture their design decisions in four views and use the fifth view to illustrate and validate them. The quality of a bachelors thesis is not determined by the title, but how the subject matter is treated. Software architecture is a structured framework used to conceptualize software elements, relationships and properties. Understanding quality attributes in software architecture.

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. Software architect software architecture is the fundamental organization of a system, represented by its components, their relationships to each other and. The way that software components subroutines, classes, functions, etc. 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 synthetic approach is a little theoretical at times, but the authors also present over a dozen patterns and provide. Citeseerx document details isaac councill, lee giles, pradeep teregowda. The four views are the logical view, development view, process view, and physical view. Layered architecture software architecture patterns. 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. 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. Describing the architecture of softwareintensive systems, based on the slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The logical view describes the designs object model when an objectoriented design method is used. 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 article presents a model for describing the architecture of software intensive systems, based on the use of multiple, concurrent views.

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 software engineering institute. The software architecture of a program or computing system is a depiction of the system that aids in understanding how the system will behave. This publication doesnt make specific references to uml. This article presents a model for describing the architecture of softwareintensive systems, based on the use of multiple, concurrent views. Abstract this article presents a model for describing the architecture of softwareintensive systems, based on the use of multiple, concurrent views. Layered architecture the most common architecture pattern is the layered architecture pattern, otherwise known as the ntier architecture pattern. Software architecture constrains its allocation to structure when other quality attributes are important. A system architecture is a conceptual model that defines the structure, behavior, and more views of a system. For the love of physics walter lewin may 16, 2011 duration.

Software architecture descriptions are commonly organized into views, which are analogous to the different types of blueprints made in building architecture. Paper published in ieee software 12 6 november 1995, pp. This use of multiple views allows to address separately the concerns of the various stakeholders of the architecture. In this course you will study the ways these architectures are represented, both in uml and other visual tools. Kruchten, documentation of software architecture from a knowledge management perspectivedesign. A software architect is a software expert who makes highlevel design choices and dictates technical standards, including software coding standards, tools, and platforms. Learn software architecture from university of alberta. Model to capture the description of software implementation or architecture into. The paper presents a model for presenting software architectures based on the use of multiple, concurrent views. Scope the scope of this sad is to depict the architecture of the online catering application created by the company yummy inc.