Status and future, ieee transactions on software engineering, 317. Explain the difference between horizontal and vertical. Comparison between vertical and horizontal chipkidz. Decision support systems 12 1994 5777 57 northholland software reuse.
A vertical deployment is one that requires deploying all tiers and components in order to test any one of them. Software reuse faq earth science data system working. Software should be reused at least 3 times to recoup the expense, otherwise the cost of building and maintaining the software will not be recovered by reduced overhead in other areas plan on continual training, mentoring, and handson experience. Software reusability and its application to interactive. Vertical market software, therefore, is software developed for niche. Levels of reuse in software development anders lybecker. It is usually customized for a target enterprise or organization in order to meet its own special needs. While horizontal market software can be useful to a wide array of industries such as word processors or spreadsheet programs, vertical market software is developed for and customized to a specific industrys needs. Lack of interoperability between enterprise systems. Types of software reuse adhoc reuse intraproject reuse interproject reuse enterpriselevel reuse horizontal reuse vertical reuse component development for reuse components for reuse may be specially constructed by generalising existing components component reusability. A vertical market is one that supplies goods to a specific industry. In an attempt to understand the obstacles to implementing software reuse in spl we have conducted a survey to investigate how software reuse is adopted in spl so as to provide the necessary degree of support for engineering software product line applications and to identify some of the issues and concerns in software reuse. Developer productivity and vertical vs horizontal deployments. Software reuse component based software engineering.
For business systems, the predominant approach for application system development is based around largescale software reuse. A design pattern is not a finished design that can be transformed directly into code. Systematic software reuse is a promising means to reduce development cycle time and cost, improve software quality, and leverage existing effort by constructing and applying multiuse assets like architectures, patterns, components, and frameworks. It may be the design, the code, or some other product of the software development process. Explore software reuse with free download of seminar report and ppt in pdf and doc format. Vertical replaces the traditional business phone system with a communications platform and secure cloud services that enable powerful new workflows to ensure you are always connected to. When people refer to software reuse without qualifying further, they are typically speaking about traditional systematic software reuse. Software reuse in most engineering disciplines, systems are designed by composing existing components that have been used in other systems. Ian sommerville 1995 software engineering, 5th edition. Software reuse seminar report and ppt for cse students.
Reusing code can dependently on the case reduce the challenge and satisfaction factor for the programmer, and also waste an opportunity to develop new skills. A vertical application is software that is defined and built according to a users specific requirements in order to achieve specific functions and processes that are unique to that user. To describe the development of software product lines. Vijay narayananoffers 10 practival tips on succeeding with systematic reuse of software components, based on his experience with multiple projects. Breaking the boundaries for software component reuse technology. Assembling applications with patterns, models, frameworks, and tools, this tip illustrates that problems inherent in software development can be addressed by software factory architecture using. In the context of reuse, software reuse is in the development phase and has not achieved its full potential. As i was working through these questions with some colleagues, i began to make a distinction between a vertical and a horizontal deployment. This paper revisits the vertical reuse problem from a fresh standpoint and addresses the fundamental issues involved1, 1 the red warning triangle symbol, is used throughout this document to indicate a hazard observed in. Approaches supporting reuse at system level software product lines cots commercial, offtheshelf product reuse configurable vertical applications erp enterprise resource planning systems 9. Common problems make the reuse difficult identify units of reusable knowledge store the reusable knowledge into a knowledge base. Ian sommerville 2004 software engineering, 7th edition.
Software reusability and its application to interactive multimedia learning system doctoral consortium application. Software reuse software asset management solutions. Also explore the seminar topics paper on software reuse with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Systematic software reuse is a promising means to reduce. Software project managers are worried about the expensive software development and are desperately find for ways to cut development cost are. For example, a midi keyboard manufacturer develops products for a vertical market since the keyboards are only used by people who want to create music on their computers. If the code is stolen from a completely different software system, then the duplication does not add to the complexity of the software you are interested in. Software reuse also sometimes referred as code reuse is the process of using existing software for the creation of new software. To discuss the advantages and disadvantages of software reuse. A step forward to componentbased software cost estimation in objectoriented environment further topics explored include software process models, software reuse and metrics, software testing techniques, and web engineering and web. To explain the software reuse, its benefits and some reuse problems.
Pdf leveraging software reuse with knowledge management. Vertical reuse, significantly untapped by the software community at large, but potentially. The proposed expert system was constructed for solving software reusability problems. To discuss several different ways to implement software reuse 3.
Leveraging software reuse with knowledge management in software development 705 uses services from the global metadata store for browsing the ontologies and the knowledge base. To explain how reusable concepts can be represented as patterns or embedded in program generators 4. Copyandpasteprogramming is a type of reuse, whether you like it or not. Software reuse the use of existing software or software knowledge to build new software in the last 20 years, several reuse techniques have been proposed libraries, objects, components, and so on open source initiatives have created a large amount of source code available. In this tutorial, we are going to learn about the definition and advantages of software reuse in software engineering. As such, the benefits of reusing software components in componentbased development are detailed in the following section. Systematic software reuse is a highly structured practice that involves architects and developers identifying potentially reusable components in a project or family of projects in. Pdf software reuse has become a topic of much interest in the software community due to its potential benefits, which include increased product. To explilain the bfibenefits of software reuse and some reuse problems. Obuhuma j 2 problems with reuse problem explanation increased maintenance costs if the source code of a reused software system or component is not available then maintenance costs may be higher because the reused elements of the system may become increasingly incompatible with system changes. In spite of formidable nontechnical and technical challenges, weve identified a solid.
The reuse library scaling problem and the limits of concrete. They briefly summarize the research in software reuse, including the main contributions and unresolved problems. The basic idea is the reuse of system functional areas, or domains that can be used by a family of systems with similar functionality 2. Vertical market software is aimed at addressing the needs of any given business within a discernable vertical market specific industry or market. Software reuse article about software reuse by the free. Constant code reuse will result in the long run in a bloated and disorganized applications with hard to chase bugs programming hell. Managing software reuse is an invaluable reference and includes the worlds most extensive collection of surveys on reuse adoption strategies eleven strategies, success factors five studies, economic models seventeen models, reuse maturity models seven models, assessments nine assessments, organizational structures seven structures, metrics, processes ten processes, domain. Software reuse objectives building software from reusable. Vertical communications solutions for how we work today.
To explain the benefits of software reuse and some reuse problems to discuss several different ways to implement software reuse to explain how reusable concepts can be represented as patterns or embedded in program generators to discuss cots reuse to describe the development of software. Current problems relating to reusable component retrieval. Why software reuse has failed and how to make it work for you. Like many other promising techniques in the history of software, however, systematic reuse of. A reusable software component, or rsc, is a software entity intended for reuse. Software reuse can cut software development time and costs. Inability of systems to interoperate even when using the same standards. A software component is a clearly delineated piece of software that performs a useful function within a software system. Software engineering has been more focused on original development but it is now recognised that to achieve better software, more quickly and at lower cost, we need a design process that is based on. To explain the benefits of software reuse and some reuse problems 2. Pdf a pragmatic approach to software reuse researchgate.
Finergrain reuse is widely used in all types of system development. The goal of software reuse is to reduce the cost of software production by replacing creation with recycling. To explain the benefits of software reuse and some reuse problems. Raghav rao suny buffalo, amherst, ny 14260, usa reusability is a general principle that is instrumental in avoiding duplication and capturing commonality in inherently similar tasks. Software reuse is a major success story in software engineering. Software reusability is widely believed to be a key to help overcome the ongoing. Aim to provide services with quality work and client satisfaction. The mp section produces largapplication software for manufacturing resource planning. Chapter 18 slide 8 reuse problems 1 increased maintenance costs if the source code of a reused software system or component is not available then maintenance costs may be increased as the reused elements of the system may become increasingly incompatible with system changes.
Much of that cost was on post unittest software rework, he said, adding that a lot of those software problems originate. Horizontal application software is not business specific. Vertical is inspired by the alwaysconnected, datadriven enterprise that embraces the new ways of working made possible with mobile and cloud technologies. By 2010, it was 66 percent, and by 2024, its expected to be 88 percent. Effects of reuse on quality productivity and economics metrics collected on two case studies at hewlettpackard.
Patterns allow you to reuse design ideas and concepts independent of concrete code. Software reuse has become a topic of much interest in the software. Software engineering in the past was more focused on the original development and now it has recognized the importance of the software reuse method which is helpful in achieving better software, at low costs and more quickly. Fortunately, componentbased software development strongly supports reuse and this effectively paves the way for the benefits of reuse to be accrued by organisations now 15, 16, 20. Configurable vertical a generic system is designed so that it can beconfigured to applications so t e c. Software specifications, designs, tests cases, data, prototypes, plans, documentation, frameworks, and templates are all candidates for reuse. Direct replacement for a kohler courage 18 hp in a cub cadet xt riding mower. In software engineering, a design pattern is a general reusable solution to a commonly occurring problem in software design. In vertical application software, for performing test, many days or weeks can be needed by the it staff and its team. Joint multi role program is preparing for future vertical. Excessive maintenance costs due to changing business requirements.
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