Practices and patterns clements, paul, northrop, linda on. How to describe the architecture of a software product. The more subtle consequence is that software product lines require much more than new technical practices. Serviceoriented architectures and software product lines are two concepts that currently get a lot of attention in research and practice. There are some languages which describe the constraints in feature model. Software product lines can be described in terms of. A software product line spl is a portfolio of similar software products that target a. Product lines are a cooperation among core asset development, product development, and management. University of calgary an agile framework for variability. The patterns subproject line, and policy branch can help to correct a version tree that has become to complex and unwieldy. These categories loosely correspond to the pattern categories of. Introduction to software product lines springerlink. A framework for software product line practice, version 5.
A growing number of companies across a spectrum of industry sectors such as aerospace, defense, aviation, automotive, alternative energy, medical, computer systems, consumer electronics, ecommerce, and telecommunications have adopted product line engineering ple as a way to change how they build, maintain, evolve and compete with. Branching patterns and their participants the patterns in streamed lines are divided into categories of branching policy, branch creation, and branching structures. A reference manager that will allow you to enter, or download, the citation details of a published document and which stores them in bibtex format. Long a standard practice in traditional manufacturing, the concept of product lines is relatively new to the software industry. Software product line architecture for distributed realtime systems.
Software product line engineering has proven to be the paradigm for developing a diversity of software products and softwareintensive systems in. Abstract the software product line approach is a strategy for producing softwareintensive products. Practices and patterns sei series in software engineering. 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. Mar 08, 2016 this feature is not available right now. Software product lines concepts, analysis and implementation dr. Software product line engineering with feature models. As computer files, they can be transferred to your computer using the internet. Software product lines, and the efforts to characterize their successes, gave us early and longstanding approaches to product line engineering that we characterize as first generation approaches. Patterns which define how the software is structured at a high level.
A software product line is a family of systems that share a common set of core technical assets, with preplanned extensions and variations to address the needs of specific customers or market segments. Software product lines, serviceoriented architecture and. This is clearly the case for climate models which may be accessed by hundreds of. Product lines are, of course, nothing new in manufacturing. In summary software product lines epitomize the concept of strategic, planned reuse.
Software product line engineering has proven to be the paradigm for developing a diversity of software products and software intensive systems in shorter time, at lower cost, and with higher quality. Supervisor, frank maurer, department of computer science. Practices and patterns is the culmination of our efforts to grow and nurture a community of people interested in software product lines. 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. Our patterns have been converted into pcstitch pattern files. Rather, it is a description or template for how to solve a problem that can be used in many different situations. Product line engineering ple traces its roots as a field of study to software product line engineering. Practices and patterns clements 2002c, that contains a previous version of this framework, plus three comprehensive case studies of product line organizations and a rich set of product line practice patterns to aid in the adoption of software product line practice. He is the author of five books and more than three dozen papers on these and other topics. The approach is intended for distributed realtime embedded software domains and has been applied to a space flight spl. It is not a finished design that can be transformed directly into source or machine code. The problem here is that there are many, many patterns out there and there is a known inconsistency when it comes to which pattern is what exactly alone the. Massa covers ecos architecture, installation, configuration, coding, deployment, and the entire ecos development platform. Software product line feature model stack overflow.
Boeing builds one, and so do ford, dell, and even mcdonalds. General advice and recurring themes the branching patterns in streamed lines dont cover every possible contingency. The strategy encompasses organizational management, technical management, and software engineering aspects of product production. Modeling executable architectural design patterns for. This includes patterns which describe the size of the team, management style, etc. Climate models today are built by coupling components that represent geophysical processes, and many of these components have been designed for reuse in multiple contexts. In providing a comprehensive set of practices and patterns, this book defines and explores the key activities for software product line development and explains. In addition, many of the patterns refer to some basic types of branches and. Linda northrop is director of the product line systems program at the sei and chaired the first annual international conference on software product. Branching for parallel development 2 71 introduction to scm patterns the approach an organization takes to software configuration management scm can significantly affect the quality and timeliness with which a software product is developed. Patterns are usually concerned with some kind of architecture or organization of constituent parts to produce a greater whole. Software product lines have emerged as a new software development paradigm of great importance.
Software product lines concepts, analysis and implementation. Software product line architecture for distributed realtime. By applying these same concepts to software product lines, canaxia can achieve a similar benefit in the way it develops and maintains its software products. Pdf a framework for software product line engineering. Some examples of these sorts of patterns have been published in prior plop proceedings and and in books such as. Boschdesign and use of software architectures adopting and evolving a productline approach. Tales from the software community, provides a clear and concise definition of the term pattern in the patterns definitions section of the patterns home page. These concepts illustrate the key objectives of software product lines. Well also discuss another category of design pattern.
The four aspects of a product line include shared process, shared components, shared infrastructure, and shared knowledge. There are many articles about design best practices and patterns where the focus is on the use of some form of design driven process tdd, bdd or latest technical framework to ease development or solid principles to clarify design decisions. Rather, it is a description or template for how to solve a problem that can be used in many. A key motivation for developing software product lines is the savings achieved through increased software reuse. Modeling executable architectural design patterns for software product lines julie street fant1,2, hassan gomaa1, and robert g. Software product line engineering software product line engineering sple 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. Potential benefits include better, faster, cheaper software. However, product line practice in the software industry is a relatively new concept. Nov 15, 2010 software product lines include a set of core assets, primarily in the form of reusable software components that may be customized and assembled into multiple configurations.
Software product lines, software modeling, software architectural design patterns, distributed realtime. In this article, he discusses some of the best practices and patterns for software development. Pdf software product line architecture for distributed. Frankly, we have studied various software architecture related things like patterns etc, but we were never shown how to formally describe a software system. Mcgregor, clemson university and luminary software, u. Eli whitney created interchangeable parts for rifles in the 1880s to fill an order for ten thousand muskets for the u. Requirements development is a journey of exploration, not just a simple collection or transcription process. 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 softwareintensive. This book provides a framework of specific practices, with detailed case studies, to guide the implementation of product lines in your organization. But i think the formulas should be written manually, for example, the cnf file can be. Rather than put general software components into a library in hopes thatopportunities for reuse will arise, software product lines only call forsoftware artifacts to be created when reuse is predicted in one or more products in a well defined product line. I believe that task process patterns are a key component of a software process, but that phase and stage process patterns are needed to organize them and to put them into a meaningful context for your organization. Introduction to the emerging practice of software product.
The future directions of the software product line is heading towards development of more strategic methods. Bibtex4word is an addin for microsoft word that allows the citation of references and the insertion of a bibliography into your document using your choice of formatting style. Software product lines however, before we introduce the example, well take a small detour into the basis of sple. By scm, we essentially mean the process of identifying, organizing, controlling, and tracking both the decomposition and recomposition of. Minimizing the short comes of the first generation methodologies, which used manual application engineering. 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. Paul clements is a senior member of the technical staff at the sei, where he works on software architecture and product line engineering. It is lightweight, transparent and does not mess up your documents. The more subtle consequence is that software product lines require much more than. If youre interested in creating a costsaving package for your students, contact your pearson rep. International software product line conference colocated workshops. In software engineering, a software design pattern is a general, reusable solution to a commonly occurring problem within a given context in software design. Second generation product line engineering 2gple represents the current state of the art in systems and software product line engineering.
Introduction to the emerging practice of software product line development. Design patternssoftware engineering, general software. The product line concept is about more than a new technology. But a software product line is a relatively new idea, and it should seem clear from our description that software product lines require a different technical tack. Author is a senior member of the technical staff at the sei where he works on software architecture. These are all grand and have merit and it tends to increase productivity and effectiveness in the short. As per the design pattern reference book design patterns elements of reusable objectoriented software, there are 23 design patterns which can be classified in three categories. To use bibtex4word, you must be using a pc it does not work on a mac running word 2002 or later 32 or 64 bit and you need to install three pieces of free software. Branching patterns for parallel software development. Abstract the software product line approach is a strategy for producing software intensive products. Patterns capture the static and dynamic structure and collaboration among key participants in software designs especially good for describing how and why to resolve nonfunctional issues patterns facilitate reuse of successful software architectures and designs. A framework for software product line practice version 4.
These patterns provide a way to embody comprehe nsive and structured knowledge about different types of requirements. Discusses practices and patterns of software product lines. Myoc and docking lines can help remedy development that has become too isolated or disjoint. As a reader of this book, you are also a member of this growing community. The genesis of software product line development methods. There are many articles about design best practices and patterns where the focus is on the use of some form of design driven process tdd, bdd or latest technical framework to ease development or solid principles to. Product lines have been used by the manufacturing industry for a long time to reduce costs and increase productivity by exploiting commonalties between products. From the industrial viewpoint, product lines in software engineering are sim. Embedded software development with ecos is the first complete guide to building solutions with this flexible, lowcost, royaltyfree embedded software development platform. Stephen withalls software requirement patterns can help any analyst write better requirements.
Pearson offers special pricing when you package your text with other student resources. Author is a senior member of the technical staff at the sei where he works on software architecture and product line engineering. The main difference from normal, oneofakind software development, is a logical separation between the development of core, reusable software assets the platform, and actual applications. This way, the dynamic software product lines are being developed 6. To stitch them, our software allows your computer to display the pattern, as well as print charts to stitch from. Software product lines guide books acm digital library. Software product lines matures into the next generation of systems and software product line engineering. Sep 21, 2008 product lines are a cooperation among core asset development, product development, and management.
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