Software product line architecture how is software product. A software architecture is an abstraction of the runtime elements of a software system during some phase of its operation. The trend of developing product lines rather than single products has made the software product line a viable option in the industry. Definition a set of software intensive system sharing a common, managed set of features that satisfy the specific needs of particular market segment or mission and that are developed from a common set of core assets in a prescribed way. From use cases to patternbased software architectures book. Software product lines and architecture 1208 words bartleby. An architecture maturity model of software product line.
Architecture centric development approach is reliable and cost effective in software development process in the software product lines. A software product line is a set of software intensive systems sharing a common, managed set of features that satisfy the specific needs of a. Software architecture, software product lines, spl. Software product lines elearning software product lines. Software engineering paradigms like software product lines spl 18, 19 offer potential solutions for managing diverse sets of requirements, focusing in the reutilization and combination of base. We propose a generic process for recovering an architecture model of such a. A software product line is a set of software reliant systems that share a common, managed set of features satisfying a particular market or mission area, and are built from a common set of core assets in a prescribed way. Software product lines, serviceoriented architecture and.
Software product lines spl promote reusable application development for product families. Architecture and software product lines coming together is a beginning. A product line architecture is a software architecture that supports a software product line. Product flexibility is the anthem of the software marketplace, and product lines fulfill the promise of tailormade systems built specifically for the needs of particular customers or customer groups. An introductory textbook on this topic is by pohl et al. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Software architecture and product lines for mobile applications 2848 words 12 pages. Based on an architecture centric approach, a dspl is capable to analyze changes in context, thus responding by performing system adaptations. The making of software focuses on the following facets of architecture. Henry ford a software architecture represents a significant investment of time selection from software architecture in practice, third edition book. In other words, the products are built on the top of core platform components. Paul clements is a senior member of the technical staff at the sei, where he works on software architecture and product line engineering. Product line architectures plas have been undercontinuous attention in the software research communityduring the past few years. A core asset documents not only a software design that.
Since the apple app store opened in july 2008 and many other mobile. It takes you through the process of designing, developing and evolving a product line approach, including the development of software architecture and components for the. Architectural styles and the design of networkbased software architectures. Productfamily engineering pfe, also known as productline engineering, is a synonym for domain engineering created by the software engineering institute, a term coined by james neighbors in his 1980 dissertation at university of california, irvine. Product flexibility is the anthem of the software marketplace, and product lines fulfill the promise of tailormade systems built specifically for the needs of. Based on an architecturecentric approach, a dspl is capable to analyze changes in context, thus responding by performing system adaptations. The potential reuse can happen in architecture, design, development, testing and also in people. Since this application built on an existing product, rather than initiating a new product line, the analysis began with an effort to recover, i. Software product lines and software architecture design. A software product line is a set of software systems with a common set of features developed from a set of core assets. This process is known as product family engineering. In this paper we present adlars, an architecture description language for realtime software product lines, which was designed within our research group for use in the definition of product line reference architectures. The relations of architecture to other software engineering activities such as requirements and testing.
Software architecture and product lines for mobile. Designing software product lines with uml is an invaluable resource for all designers and developers in this growing field. Four factors highlight the difficulties in sustaining a product lifecycle in the dod. A product line is a set of products that together address a particular market segment or fulfill a particular mission. Software product lines spls, or software product line development, refers to software engineering methods, tools and techniques for creating a collection of similar software systems from a shared set of software assets using a common means of production. Designing software product lines with uml is wellwritten, informative, and addresses a very important topic. Software product lines and architecture 1208 words. We call this constructed architecture software architecture product line sapl that represents the unique software architecture that supports the software product line and common to all the product variants members of the spl. There are essential product line activities and practices areas.
Use of software architectures adopting and evolving a product line approach, addison wesley, isbn 0201674947, 2000. Traditionally used approaches in software development are very costly and unreliable in term of quality attribute and time to market products. Webservices reference architecture for software product lines. A product lines scope is a statement about what systems an organization is willing to build as part of its line and what systems it is not willing to build. The product line architecture is central to success. Cloudbased applications can be modeled as software asaservice saas families similar to the spl products. There must be a commitment to creating and maintaining the software architecture. Software architecture is an important and wide area of software engineering. This fosters productivity and quality of developing customized software products by exploiting their commonalities and variabilities.
The product line concept is about more than a new technology. Software product families have already been proposed by parnas in 1976 1. Comparison of software product line architecture design. It is a valuable contribution to the literature in this area, and offers practical guidance selection from designing software product lines with uml. It is concerned mainly with the structure of software systems and with their technical aspects. Even in highmaturity organizations, development processes must change radically to support a product line.
May 30, 2008 a software product line is a set of software intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way 4. As any computing system, cloudbased systems evolve to respond to changing clients requirements. With explanations of fundamental concepts further illuminated by realworld experience, this book spells. In summary software product lines epitomize the concept of strategic, planned reuse. The first step in planning a product line is to separate the features that stay the same from the features that are different across products. Software product line architecture how is software. Software product lines essentials linda northrop software engineering institute carnegie mellon university pittsburgh, pa 1522612. Software product lines are unusual in programs partly because of the difficulties associated with the sustainment portion of the product lifecycle. There must be a valid business case to justify the cost of fielding a product line. In software product line engineering, the construction of an adl architecture for a product family is still an outstanding engineering challenge. Product line architecture design is a key activity for developing successful software product line projects. Software product lines are quite common in our daily lives, but before a product family can be successfully established, an extensive process has to be followed. It is a valuable contribution to the literature in this area, and offers practical guidance for software architects and engineers. Architecture centric development in software product lines.
The second half of the book explores the concept of software product lines, incorporating elements of architectural design, componentbased software engineering and reuse. Description designing software product lines with uml is wellwritten, informative, and addresses a very important topic. The information, technology, and case studies presented here show how to harness the promise of software product lines and the practicality of the uml to take software design, quality, and efficiency to the next level. But it is difficult and complex task since architecture of software product line should. Organizational alternatives, accepted for the 23rd international conference on software engineering icse 2001, november 2000. A software product line is a set of softwareintensive systems sharing a common, managed set of features that satisfy the specific needs of a. See components software development technologies, software product lines and, 5514 software engineering practice areas. I like roy thomas fieldings definition and explanation about what is software architecture in his paper. Practices and patterns is the culmination of our efforts to grow and nurture a community of people interested in software product lines. As a reader of this book, you are also a member of this growing community. Product family engineering can be defined as a method that creates an underlying architecture of an organizations product platform. Software product lines spls, or software product line development, refers to software engineering methods, tools and techniques for creating a collection of similar software systems from a shared set of software assets using a common means of production the carnegie mellon software engineering institute defines a software product line as a set of software intensive systems that share a. The following paragraphs provide a brief overview of the architectural analysis process.
Whereas a reference model divides the functionality, a reference architecture is the mapping of that functionality onto a system decomposition. A software product line is a set of softwareintensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way 4. Reference architecture a reference model mapped onto software elements that cooperatively implement the functionality defined in the reference model and the data flows between them. In industry, product lines provide both customer benefits such as functionality, quality, and cost and development organization benefits such as time to market and. A framework for software product line practice, version 5. Oct 15, 2017 a software product line is a set of software systems with a common set of features developed from a set of core assets. Software product line architectures and framework for. Dynamic software product lines dspl engineering makes it possible to deliver software products capable of adapting to fluctuations in user needs and evolving resource constraints at runtime. Although several methods havebeen established to create plas there are not availablestudies comparing pla methods. A software product line is a set of software intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a. Software architecture has been a key research area in the software engineering community due to its significant role in creating high quality software. The software product line architecture may exist in two different directions but possess similar traits. A software product line is a set of softwareintensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission.
A product line scope is a critical factor in the success of the product line. Towards an architecture model for dynamic software product. The software architecture of a program or computing system is the structure or structures of the system, which comprise software elements, the externally visible properties of those elements, and the relationships among them. Oct 01, 2018 the challenge of sustaining a software product line in the dod. Serviceoriented architectures and software product lines are two concepts that currently get a lot of attention in research and practice. Software architecture books to read this year apiumhub. A software product line is a set of softwarereliant systems that share a common, managed set of features satisfying a particular market or mission area, and are built from a common set of core assets in a prescribed way. Webservices reference architecture for software product. Linda northrop is director of the product line systems program at the sei and chaired the first annual international conference on software product lines.
A software product line is a collection of related products with shared software artifacts and engineering services that has been developed by a single organization intended to serve different missions and different customers. In this article, we will focus on reuse in software architecture. This document describes the activities and practices in which an organization must be competent before it can benefit from fielding a product line of software systems. Software product lines is the culmination of an intensive investigation, undertaken by the software engineering institute sei at carnegie mellon, into how leadingedge software development organizations have retooled for product lines. But at the same time they are quite different from one another. Reue thamakes business sense linda northrop 2 7ca rneg imlo u v sty what is a software product line.