Evaluate, select, and refine alternative or option. Nov 18, 2016 the economic analysis of projects goes back at least to the 1930s with the evaluation of u. A study of sofware reuse and models reuse, ieee transactions on software engineering, vol. This halfday tutorial presents a method to tackle the issue of evaluating a plethora of embedded system designalternatives against functional and nonfunctional requirements. In meeting their software needs, agencies must conduct the threestep analysis outlined below. Methods of evaluating location alternatives charles angotto 4 types of methods the. Evaluating membrane performance at the ventura water pure potable reuse demonstration facility. Tsvi kuflik, member, ieee and ieee computer society. If an agencys alternatives analysis concludes that existing federal software solutions cannot efficiently and effectively meet the needs of the agency, the agency must explore whether its. Selection of a wrong software package can turn out to be costly and adversely affect business processes. Pdf we propose a model that enables software developers to systematically evaluate and compare all possible alternative reuse scenarios. We propose a model that enables software developers to systematically evaluate and compare all possible alternative reuse scenarios. They can be risky to develop, expensive to develop, and expensive to support.
Evaluating alternatives is step 6 of phase two in the resource planning process. View methodsof evaluating location alternatives 1 from critical t 308 at city university of seattle. However, an attempt to reuse software that is not easily reusable can have the reverse effect. Evaluating software alternatives make or buy decision o develop software inhouse o purchase a software package o customize a software package o outsourcing o enduser or departmental computing developing software inhouse reasons for inhouse development 1. A cso control alternative for ltcps january 2018 executive summary page 2 ltcp implementation will be a long and expensive process. Reusing programs and other artifacts has been shown to be an effective strategy for significant reduction of development costs.
Reuse means looking at github or sourceforge for public code snippets, modules, or applications that. A framework for evaluating software environments that support design reuse 2. Information technology projects evaluation process page 1 revised 12901 information technology projects evaluation process i objective the purpose of this document is to describe a process for surfacing and evaluating ideas that might lead to informatics projects or. The las vegas metropolitan area offers an interesting case study for evaluating the sustainability of water supply alternatives stave, 2003. Agencies must obtain sufficient rights to customdeveloped code to fulfill both the governmentwide reuse objectives and the open source release objectives outlined in this policys pilot program. A location method that instills objectivity into the.
The model supports the clear identification of the basic operations involved and associates a cost component. The survey was structured around a novel and simple 4a model, which. That it could save the half of the software development effort and increase the quality of the software product. This article reports on a survey of 128 developers to explore their experiences and perceptions about using other peoples code. Membrane concentrate management alternatives for inland potable reuse. Tomer, goldin, kuflik, kimchi, and schach evaluating software reuse alternatives 1 evaluating software reuse alternatives. Amir tomer this tutorial introduces a model for evaluating the relative costeffectiveness of software reuse alternatives the model. Principles, practices, and economic models poulin, jeffrey s. Sdlc spiral model spiral model adds risk analysis and rad prototyping to the waterfall model. The goal of this project was to develop a systems approach to characterize the wastewater reuse and provide a basis for evaluating design alternatives that will reduce the use of groundwater resources. Amir tomer this tutorial introduces a model for evaluating the relative costeffectiveness of software.
Studies show that the reuse strategy is the most significant strategy in terms of effort and quality. An evaluation model for software reuse processes springerlink. The process of analyzing and evaluating alternatives applies evaluation criteria to alternatives or options in a way that facilitates decision making. Evaluating errorproneness of software reuse in largescale. However, the issues and problems associated with the selection of suitable reusable. Quality, productivity and economic benefits of software reuse. Consider new alternative solutions, criteria, or methods if proposed alternatives do not test well. Evaluating and selecting alternatives flashcards quizlet.
An analysis of errors in a reuseoriented development environment. Many of the alternatives that will ultimately be implemented to address csos will be built on publicly owned land, the cost of which will be borne primarily by the rate payer. Decision support systems 12 1994 5777 57 northholland software reuse. Amir tomer, leah goldin, tsvi kuflik, esther kimchi, stephen r schach, evaluating. Evaluating and selecting software packages that meet an organizations requirements is a difficult software engineering process. A model and its application to an industrial case study, ieee transactions. Functionality, performance, hardwaresoftware interface. The goal of the software sustainability maturity model is to provide a means of evaluating the risk factors in reusing software.
Nrcs illinois step rp esource evaluating 6 lanning g alternatives. This tutorial explores the impact of the socioeconomic trends of mass customization on software reuse through software product line development. Tomer, goldin, kuflik, kimchi, and schach evaluating software reuse alternatives keyphrases ieee computer society tsvi kuflik possible publication schach evaluating software reuse alternative. Analytical and empirical evaluation of software reuse. This case study presents a framework for evaluating the sustainability of indirect potable reuse ipr and direct potable reuse dpr in las vegas, nevada. In order to answer these questions a better breakdown of the costs is needed. Key method that developed based on the framework of develop a reusable software components through software development processes. A systems approach for characterizing wastewater reuse. This paper presents a method for evaluating and selecting offtheself software components to be reused in software development. Residents of christiansburg, ohio, already knew they had a problem with their onsite wastewater systems. Emerging federal policy on oss and code reuse 4 october 2016 john m.
However, reusability is a practical and objective quality, making it useful to consider in selection or evaluation of design alternatives. Quadrant 2 evaluate alternatives, identify and resolve risks. The authors regard object technology and software reuse as vitally linked. Information technology projects evaluation process page 1 revised 12901 information technology projects evaluation process i objective the purpose of this document is to describe a process for surfacing and evaluating ideas that might lead to informatics projects or information technology capital expenditures. Pdf an evaluation model for software reuse processes sherzod.
Spiral model is complex to understand for new team members. A model and its application to an industrial case study. A model and its application to an industrial case study ieee transactions on software engineering, vol. Since that time, economic analysis has been integrated into the decision making process of most if not all u.
In this study, an evaluation model for software reuse is proposed. Quality, productivity and economic benefits of software. Several software engineering activities involves collaboration between stakeholders of various backgrounds. Model and its application to an industrial case study. A facilitator is used during this step, and technical advisors are available to provide. The first water reuse regulations in mongolia were passed in 2018, so the institutional setting on water reuse considered to be very open. Federal source code policy threestep software solutions. Start studying evaluating and selecting alternatives.
Use economic analysis to evaluate design alternatives wbdg. For example, human motivation is a key factor for obtaining high quality output e. Software tool enabling integrated and pragmatic design of recycled water distribution networks in urban environments. Our criteriabased approach is a quantitative assessment of the software in terms of sustainability, maintainability, and usability. A systematic process for reusable software component. The model is proposed in order to present the applicable methods of software reuse and to evaluate their cost. Criteriabased assessment mike jackson, steve crouch and rob baxter criteriabased assessment is a quantitative assessment of the software in terms of sustainability, maintainability, and usability. Tomer developed an evaluating model for software reuse and presented. Systematic software reuse is proposed to increase productivity and software quality and lead to economic benefits.
Software evaluation guide software sustainability institute. This process is designed so that you can compare ossfs programs sidebyside with proprietary programs and other ossfs programs, and determine which one if any best meets your. Reuse can save time and money, and increase the reliability of resulting products. The alternatives analysis shall give preference to the use of an existing federal software solution. This can inform highlevel decisions on specific areas for software improvement. Reports of successful software reuse programs in industry have been published. A model and its application to an industrial case study, ieee tran sactions on software engineering, vol. Browse the definition and meaning of more terms similar to alternative evaluation. In this paper, we discuss our approach to exploring reusability for evaluation of. However, there has been little effort to organize the evidence systematically and appraise it. The model supports the clear identification of the basic operations involved and associates a cost component with each basic operation in. The clm introduces the student to principles for effective software reuse, explains the unique challenges of software reuse and discusses software reuse within the context of the naval open architecture under the current department of defense and don policy and guidance. A system dynamics model was developed to simulate population growth, water supply, water quality, energy costs, net present worth npw, and greenhouse gas ghg emissions.
At several points in the phased evolution of the technology development and transfer process, it will be necessary to assess and evaluate potential identified technologies and a hypothetical development and transfer process. Software reuse is a major concern in many software development companies. Vijay narayananoffers 10 practival tips on succeeding with systematic reuse of software components, based on his experience with multiple projects. Schach this work has been submitted to the ieee for possible publication. How to evaluate open source software free software oss. Document the rationale for the addition of new alternatives or methods and changes to criteria, as well as the results of interim evaluations. With the techniques in this book, you will have the tools you need to design afar more effective reuse program. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Time spent for evaluating risks can be too large for small or lowrisk projects. The management dictionary covers over 7000 business concepts from 6 categories. Abstract we propose a model that enables software developers to systematically evaluate and compare all possible alternative reuse scenarios. The threedimensional evolution of a software product line. Tomer, goldin, kuflik, kimchi, and schach evaluating software reuse alternatives 3 index termsreuse models, cost estimation, maintenance management, software libraries, process metrics, process measurement, planning 1 introduction software reuse is a major component of many software productivity improvement efforts.
Jongde software is a software company based in china that was founded in 20 and offers a software product called mockplus. That document identifies nine topic areas to consider in evaluating a software asset for reuse. Software reuse in the naval open architecture by carlus a. Given the failure symptoms and the low probability of all the four hard drives in the ds414j failing at the same time, i. Evaluating human factors has been considered significant. Compare the best polarion requirements alternatives in 2020. A model and its application to an industrial case study amir tomer, leah goldin, tsvi kuflik, esther kimchi, and stephen r. Evaluating errorproneness of software reuse in large. Jun 18, 2009 vijay narayananoffers 10 practival tips on succeeding with systematic reuse of software components, based on his experience with multiple projects. Software reuse and reusability based on requirements, product. After alternatives or strategies have been identified, the planning committee and technical advisory committee evaluate the acceptability of the alternatives. Evaluating errorproneness of software reuse in largescale systems. Different ways of software reuse are proposed and discussed. An evaluation model for software reuse processes semantic.
However, there are also informal methods for evaluating the sustainability of an open source project that may be useful where investment in a formal methodology is not justified, for example if the number of software evaluations your organisation undertakes is fairly small and infrequent. This paper surveys the different approaches to software reuse found in the research literature. Software reuse is one promising method of accomplishing this objective. Developers must be reassigned during nondevelopment phase activities. This may be a onestep or multistep process, depending on the complexity of the alternatives and the decision. Steps in evaluating and purchasing software packages 1 evaluate the information system requirements n identify the key features of the system n estimate volume and future growth n specify any hardware constraints n prepare a request for proposal or quotation 2 identify potential software vendors 3 evaluate software package alternatives. The model supports the clear identification of the basic operations involved and associates a cost component with each basic operation in a focused and precise way. The software reuse process the reuse processes can be classified in three categories. Nov 21, 2014 cost effectiveness of software reuse alternatives. Amir tomer, member, ieee and ieee computer society, leah goldin, senior member, ieee, tsvi kuflik, member, ieee and ieee computer society, esther kimchi, and stephen r.
Amir tomer, leah goldin, tsvi kuflik, esther kimchi, stephen r schach, evaluating software reuse alternatives. Evaluating the sustainability of indirect potable reuse. Costeffectiveness of software reuse alternatives 27 28. Alternatives to the burial of lowlevel radioactive waste.
Benchmark consulting is a united states software company that was founded in 2015, and offers a software title called iris business architect. Mots products require the vendor to branch their core software to satisfy your epicsoutcomes. Cost effectiveness of software reuse alternatives slideshare. Our research question is to determine the extent of such reuse occurring. 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. Measuring the benefits of software reuse does software reuse really pay off in the long run. This paper describes a general process for evaluating programs, with specific information on how to evaluate open source software free software ossfs programs. This aspect of design looks to the longer term, and facilitates programmer productivity. It is one of the main strategies used to reduce the cost of software product development. For purposes of preparing a software architecture description document, this website provides the key tools necessary for getting started.
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