Cots-based software development processes and open issues deck

A management guide to software maintenance in cotsbased systems. I n the future, cots products will play an increasingly important role in not only software product engineering but also software engineering tool development. Kai has authored over 70 research works in international journals and conferences. Processes and open issues j, journal of systems and software, 6. One of the most important characteristics of cots based development is that it is solution or featuredriven, that is the final application is heavily influenced by the existing features of the available or selected cots software systems. The central problem is how to select a desirable cots software. In this paper we describe a reference model that sets the basis for a cotsbased development ontology and terminology. This trend has gradually evolved into cotsbased software development. Seis knowledge of cotsbased systems combined with the expertise of a large government. Abstract in many software projects, choosing the right architecture is very important factor to deliver reliable software.

An empirical study of finegrained software modifications. All sorts of pleas for a reconsideration were made, but the packers were obdurate. Unlike previous sel activities, this effort was in response to something that was already happening in the development community in. Construction of software from start is a very complicated process that needs great multidimensional managing talents. Unlike previous sel activities, this effort was in response to something that was already happening in the development community in the fdd. Research on the integration credibility model of cots p. This code is often ad hoc and brittle, but it is needed to repair mismatched. For managing and coordinating resources and processes to deliver software.

The central part is dedicated to survey methods and techniques that can be useful in cotsbased development. Valuebased processes for cotsbased applications economic imperatives are changing the nature of software development processes to reflect both the opportunities and challenges of using cots products. Prior to coming to the sei, she was with the navy for more than 19 years. So the men boiled over, and one night telegrams went out from the union headquarters to all the big packing centersto st.

Do we need requirements in cotsbased software development. A good indi cator of the asyet unresolved difficulties involved in building cots based systems is the glue code used to integrate components. One of the biggest problems sighted in cotsbased projects is a disconnect between time. Commercialofftheshelf cots based software development has been considered as an alternative strategy to inhouse development. Software development technology management associates. Encourage the execution of repeatable and consistent processes, facilitate the implementation of project management and agency it best practices, and. Sorry, we are unable to provide the full text but you may find it at the following locations. Testing processes and practices are well defined and generally understood for internally developed applications, but what about those that are licensed from third parties. With implementing the architecture that utilizes commercial off. This section is a placeholder for a table that will allow you to track open items and issues. Cotsbased development as a cohesive software development model. Short for commercial offtheshelf, an adjective that describes software or hardware products that are readymade and available for sale to the general public. Cots component can be used with the cost of purchasing and maintenance.

How to get your product and engineering teams running like. Before using metrics for design or integration decisions, software engineers. Identify the version of the software being delivered. Software cots, software components information on cots. Cots project management strategy from a state government pmo. It considers the issues and risks in using cots software over the life cycle and how to control them. In addition to traditional software metrics, cotsbased systems require metrics that capture attributes. It would be convenient if you added git tags for the old releases before v4. As part of the cotsbased systems initiative at carnegie mellon universitys software engineering institute sei, we are studying this diversity in the software development. We strongly believe in the benefits agile brings to our customers through the iterative development approach, strong customer interaction, frequent product demonstrations, and open lines of communication. Cots systems can have some custom development, but in such a system, the emphasis is on configuration, not customization. Increasing integration of software and systems engineering. The objective of this guidebook is to provide planning information that results in costeffective strategies for maintaining commercial offtheshelf cots software products in cotsbased systems. Process can be a four letter word for many companies, especially on high growth teams and at the early stages of startups.

The work described in this paper is an investigation of the cotsbased software development within a particular nasa environment, with an emphasis on the processes used. Reidar conradi, letizia jaccheri, marco torchiano, using software process modeling to analyze the cots based development process. In this paper, cots and oss are compared on the basis of many attributes and development life cycle of software. Likewise we need new techniques to support the greater focus on selection, customization and integration. The intended audience for this report is members of organizations that are embarking on or are in the throes of a cots based system.

Execution of standards, methods, and tools for deploying the system. When referring to open source software oss components, researchers, coders and managers do not feel comfortable in defining them as cots. The use of commercial software products in organizations is being driven by its potential for reducing the cost and time to develop software systems. Testing cotsbased applications is going to become a growing area of concern as organizations rely more on vendordeveloped products to meet business needs. Many of our software engineers are certified agile scrummasters, and all of our engineers employ agile into every day development activities. For example, microsoft office is a cots product that is a packaged software solution for businesses. Commercialofftheshelf software development framework. Dec 23, 2000 then it lists and discusses pros, cons and issues in cotsbased development. Cots based software development and integration csiac.

The median annual wage of software developers was more than 90500 in 2010, reported the bls. Software engineering metrics for cotsbased systems t he paradigm shift to commercial offtheshelfcomponents appears inevitable, necessitating drastic changes to current software development and business practices. A slightly better definition of software environment is a coordinated collection of software tools organized to support some approach to software development or conform to some software process model 93, where software tools are defined as computer programs that assist engineers with the design and development of computerbased. Its true that there are few enough of them that its easy to look for their commits manually, but tags would add convenience. However, using cots packages introduces various burdens, including cots evaluation, assessment, familiarization, and vendor interaction. Were upgrading the acm dl, and would like your input. Cotsbased software development within a particular nasa environment, with an emphasis on the processes used. This means an open source esb often provides limited options for integrating into systems managing business processes, file transfer and apis. Developing new processes for cots based systems lisa brownsword, tricia oberndorf, and carol a. Dec 14, 2006 security failures can have severe consequences whether they are rooted in cots or custom code. The future of software and systems engineering processes. A discussion of the economical issues related to cots adoption is presented in 28.

The work described in this paper is an investigation of the cotsbased software development within a particular nasa environment, with an emphasis on the. Software engineering metrics for cots based systems computer. Realizing that cotsbased development represents a significant shift in the way the fdd does business, the sel decided to update its guidelines on recommended practice and processes 11. One can update and reused the cots software without making new whole software. Commercial offtheshelf or commercially available offtheshelf cots products are packaged solutions which are then adapted to satisfy the needs of the purchasing organization, rather than the commissioning of custommade, or bespoke, solutions.

Jul 12, 2001 in the rapidly changing world of software acquisition, open systems and commercial offtheshelf cots products continue to grow in importance because of their expected functional and economic advantages. A goaloriented strategy for supporting commercial offtheshelf. This process is evaluated to identify essential differences in comparison to. The development team begins implementation with the following tasks. One of the biggest problems sighted in cots based projects is a disconnect between time. Cots based software development within a particular nasa environment, with an emphasis on the processes used. Processes and open issues journal of systems and software. It describes changes in the software maintenance process that are needed to manage a cotsbased system. Cots software came with many notsoobvious tradeoffs a reduction in initial cost and development time over an increase in software componentintegration. Commercial off the shelf and its validation information. Developing new processes for cotsbased systems lisa brownsword, tricia oberndorf, and carol a. Then it lists and discusses pros, cons and issues in cotsbased development. The ibm rational unified process for cotsbased projects. This paper examines the cots project management strategy and techniques for mentoring.

Manager eight lessons learned during cotsbased systems. Cots software reduces the effort of development and test code and it also reduces the risk. Investigating and improving a cotsbased software development process, proceedings of the 22nd international conference on software engineering. The literature about cotsbased development suffers from two main problems. An empirical investigation into the adoption of open source software in hospitals, gilberto munozcornejo. Some future software engineering opportunities and challenges. Open source software oss and commercial off the shelf cots components are the most fundamental ways of software development. The work described in this paper is an investigation of the cots based software development within a particular nasa environment, with an emphasis on the processes used. Software environment an overview sciencedirect topics. The use of cots and oss in the software development is increasing at large extent 12. Open source software typically requires extensive integration during implementation. Realizing that cotsbased development represents a significant shift in the way the fdd does business, the sel decided to update its guidelines on recommended practice and processes nasasel, 1992.

Mirco hering explains why we shouldnt leave cots products and the people working on them left behind in a devops world. Simulation and implementation for the speed control system of horizontal continuous casting dragger for copper. Cots users need reliable, accurate and continuously updated knowledge of the software component. Risks of commercial offtheshelf cots software bryan.

Citeseerx document details isaac councill, lee giles, pradeep teregowda. This cited by count includes citations to the following articles in scholar. Presents a cots based system cbs software defectreduction list as hypotheses, rather than results, that also serve as software. Understanding the threat and value brought to the organization by cots also requires. This paper presents an extensive literature survey of the software cots component selection methods published to date, followed by a metamodel consolidating the. A support system to cotsbased software development for. Also, it is important to consider the depth of adapter offerings provided by the esb vendor, especially for packaged.

It describes changes in the software maintenance process that are needed to manage a cotsbased. By investigating the failure of software ic in objectoriented technology and studying the characteristics of component based or cots based software technologies, this paper revises software ic and develops a software slotoriented strategy for the design. This whitepaper explains this open, cots based approach and why, a dozen years later, this model finds increasing adoption but has not yet been universally adopted despite its manifold advantages. The increasing integration of software engineering and systems engineering 2. Security considerations in managing cots software cisa. The work described in this paper is an investigation of cotsbased software development within a particular nasa environment, with an emphasis on the processes used. The model put forward identifies and elaborates the essential phases and activities of software product line development from cots based repository. Risk analysis is the process of identifying and analyzing potential issues that could negatively impact key business initiatives. Reusable software components rsc software cots, software components and open source software 4 the growing use of cots instead of inhouse developments implies a loss of control of the cots based systems an increased dependency on cots producers. Many discussions have been aimed to decide whether or not oss can be considered a cots without reaching the unanimous consensus of. Cotsbased oocomponent approach for software interoperability. Having a large software system that required an appropriate architecture design that can fulfill the requirements of such software is hard enough to accomplish, and becomes problematic in many cases. This process is evaluated to identify essential differences in comparison to traditional software development.

A management guide to software maintenance in cotsbased. Ieee software, novemberdecember 2008, volume 15, issue 6, pp. Cots project management processes are challenging because of the integration of the vendors software and hardware as well as the extension of the inhouse system or environment. Projects to create cotsbased systems cbss thus run into. Cots project management strategy from a state government. Carrying out of implementation phase activities according to the detailed project wbs started during the concept development phase.

It increases the productivity and also increases the quality. A process to cotsbased software development is devised based on various sdlc processes varying with projects. Cotsbased software development acm digital library. Designmethodologyapproach a disciplined process for software product line development is still needed. A management guide to software maintenance in cots. Quality and risk concerns currently limit the application of cotsbased system design to noncritical applica tions. A cots, network softwarebased architecture for effective and. I am often involved in tenders for new pieces of software development work. Using commercialofftheshelfpackagescots introduction basem suleiman,2008 studied that the important elements for choosing commercialoffthe shelf cots software by development establishments is sorely based on budget and schedule. Quality and risk concerns currently limit the application of cotsbased system design to noncritical applications. Taking a cotsbased approach to implementing enterprise gis. Cotsbased oocomponent approach for software interoperability and reuse software systems engineering methodology. The cots philosophy is based on the idea that there is great benefit to users in keeping systems as far to the right on this diagram as possible. Practical implications the model has the potential to tremendously increase software engineers productivity.

One can save the time because the system is already being tested prior to use. I frequently come across tender documents full of questions that scream we are expecting to use a cots product for this system even though ostensibly the process allows sometimes explicitly for the possibility of a bespoke system. For the purposesofthispaper,cotsbasedisthetermusedto indicate component or packagebased development rapidcon. Cots were used to build ground support systems, as well as assist in a platform transition from mainframe to workstation that all flight dynamics systems underwent. Sledge software engineering institute although commercial offtheshelf cots products are becoming increasingly popular, little information is available on how they affect existing software development processes or what new processes are needed.

Understanding how and why systems are attacked is central to understanding cots security issues. Thus, software architects, domain engineers and component designers should become aware of how to use these ideas to structure their models and designs. The work described in this paper is an investigation of cots based software development within a particular nasa environment, with an emphasis on the processes used. Carina alves and anthony finkelstein, requirements negotiation for cotsbased systems. Some projects were using one or two cots products, while others used more. Developing new processes for cotsbased systems ieee software. Finally a process to support cotsbased development is proposed, and emerging standards and techniques for component integration are discussed. However, building is generally considered to take more time and more resources to deliver a product, which might be not su ciently tested or interoperable with other products on the market. Jun 29, 2011 with implementing the architecture that utilizes commercial offtheshelf cots software based components to provide some functionality required for a system, will make such task even harder, 2011. Many discussions have been aimed to decide whether or not. Towards a reference framework for cotsbased development. The report discusses the definition of cots and cotsbased system. One of the most critical activities in otsbased systems development is the selec.

Just because a vendor develops the product does not relieve the customer from the responsibility of testing to ensure the product will meet user and business needs. Investigating and improving a cotsbased software development. Over the past decade, weve witnessed a consolidation of data, control, and presentation integra. His research focuses on software processes, software metrics, lean and agile software development, quality assurance, and software security in close collaboration with industry partners. Software engineering metrics for cots based systems. Testing cotsbased applications general testing articles.

Cots selection best practices in literature and in. This strategy was experimented at nasa by considering 15 discrete projects 8. The engineering of cots based systems continues to involve significant technical risk. Roles and responsibilities of software developer pdf. The list identified 10 hypotheses that served as challenges for enhancing our empirical understanding of commercial offtheshelf software. Building software inhouse promises more exible development, easier change of goals, and adaptation for an environment.

Fifteen projects using a cots based approach were studied and their actual process was documented. Fifteen projects using a cotsbased approach were studied and their actual process was documented. Cybersecurity is the protection of internetconnected systems including hardware, software and data from cyberattacks. Research on the integration credibility model of cots. Granted, the vendor has responsibility for testing its own products, but the possibility of the software failing still exists and can be costly, even devastating. This book will help you understand the many issues surrounding acquisition of open, cotsbased systems. You attack different software in different ways if your objective is to.

Some of these issues have been evaluated since the development of objectoriented. This, coupled with the ubiquity and opacity of cots software, makes it a critical and difficult problem that an organization ignores at its own extreme peril, however convenient that is to do. We propose the ymodel for cots based software product line development. This rup configuration is based on the cmusei evolutionary process for integrating cots based systems epic methodology. These hypotheses were primarily related to cotsbased systems development. Componentbased development cbd is the process of building software application by relaying on cots software components. Oss provides the code to the software developer for reuse and modification as per need. With creative solutions we can apply good practices from custom software. We propose the ymodel for cotsbased software product line development.