The distribution of types of maintenance by type and by. Finally di erent process models are explained and the software maintenance process is discussed. In this paper, an integrated lifecycle model is presented for use in software maintenance environment. Essential to the software maintenance process is an ability to understand not only the software but the required changes as well. Modifying a program after it has been put into use. Software processlifecycle software development, project initiation and feasibility studies, and maintenance. Software maintenance understanding the 4 types endertech. Basically, this excellent development is suitable for those development projects that are constantly altering or extremely developing requirements. Ever since mankind starting exploring the oceans, icebergs have been a problem for seamen getting closer to the poles. Models of motivation in software engineering open research online. The scope of this study is user support and maintenance processes that could be described as activities, which are performed during software operation phase, but are more of service nature, i. Similar to the definition provided in chapter 2 for software development process, a. Thus, there is considerable motivation to improve software maintenance.
Preventive maintenance involves implementing changes to prevent the occurrence of errors. A cognitive system to teach software maintenance project staffing. Transition of software maintenance teams from scrum to kanban. Software development practices, software complexity, and. On an average, the cost of software maintenance is more than 50% of all sdlc phases. Pdf a framework for software maintenance and support phase. Software maintenance ieee 11 defines software maintenance as. The software maintenance and support work starts once the delivery of the software product is done. I also try to propose a neuroscientific model of motivational processes in which motivation is regarded as a dynamic process and is understood as a series of detailed sub processes of generation, maintenance, and regulation of motivation. Software development practices, software complexity, and maintenance performance management sciencevol. Software maintenance activities are often performed by using a heavyweight process or even without any specified process 4. User support and software maintenance process model. This life cycle comprises seven phases, namely, problem identification, analysis, design, implementation. We invite high quality submissions describing significant, original, and unpublished results related to but not limited to.
Last we introduce a proposed maturity model specific to software maintenance. Motivation in software engineering university of hertfordshire. In contrast to other process models, it is a specialised model, entirely dedicated to only corrective software maintenance. Finally, di erent process models are explained and the software maintenance process is discussed. This model is beneficial when a single user is using the software system. Maintenance activities in software process models semantic scholar. Likewise, kanban is a process that helps teams to collaborate and work effectively. Software development processes and methodologies coursera. These models are also referred as software development process models. This life cycle comprises seven phases, namely, problem identification, analysis, design, implementation, system testing, acceptance testing, and delivery phase. Find out about the 7 different phases of the sdlc, popular sdlc models, best practices, examples and more. The process and lifecycle models have evolved in an environment of high awareness of software development issues as opposed to maintenance issues and, as such, are development models. As software development is a long term process,so most of the software development companies today actually work on the basis of the software development methodologies.
Effective methods for software and systems integration. On the basis of some advantages which have been noticed, but also of shortcomings of the existing models and concepts of maintenance, and through overall analysis of the. Typical studies show that more than 23 of the efforts are invested into modifications after delivery to correct faults, to improve performance, or to adapt to various other requirements such as platform or business changes. An analysis of maintenance strategies and development of a. Apr 15, 2015 agile software development is an approach that is used to design a disciplined software management process which also allows some frequent alteration in the development project. This can only be achieved where the relevant knowledge is available. Each traversal of the spiral usually results in a deliverable. This is a type of software development methodologies which is one conceptual framework for undertaking various software engineering projects. The software requirements ka is related closely to the software design, software testing, software maintenance, software configuration management, software engineering management, software engineering process, software engineering models and methods, and software quality kas. Maintenance, software development process models, rational unified. A spiral model of software development and maintenance 1988. An integrated lifecycle model for software maintenance. Software processlifecycle maintenance note that maintenance. Maintenance is considered as part of the software development life cycle.
The distribution of types of maintenance by type and by percentage of time consumed. What models of motivation exist in software engineering. Software maintenance maintenance models quickfix model this is basically an adhoc approach to maintaining software. Software process models waterfall model, v model, spiral. This paper draws on work undertaken for the butler cox productivity enhancement programme pep to describe a process model which will provide a basis for overcoming the problems of cost and complexity associated with software maintenance. A software process model is an abstract representation of a software process. An introduction slide 10 software process improvement models objective. Pep is a continuous program that is open to organizations wishing to measure and improve systems development and productivity. May 31, 2018 the software development life cycle sdlc is a terminology used to explain how software is delivered to a customer in a series if steps. These steps take software from the ideation phase to delivery. The software maintenance process model alain april1, jane huffman hayes. General models there have been several efforts at developing frameworks and models to reflect an understanding of knowledge management. Software maintenance software maintenance is the process of changing a system after it has been delivered. A process model for software maintenance springerlink.
Chapter 3 addresses concrete techniques which help to comprehend a program e. Maintenance does not normally involve major changes to the systems architecture. Motivation process in management and organisational behaviour. At the best of our knowledge, there is no work that used competitionbased learning to teach software maintenance project staffing. This software is designed to build these standards that incorporates ease of use with. Application maintenance and support best practices. Impact of software comprehension in software maintenance and.
Recognizing the importance of software maintenance and the limitations of process assessment models, which emphasize development over maintenance, an initial draft of a comprehensive maintenance evaluation model was published in 1996 zit96. Csqe computer delivered the csqe examination is a onepart. During the design process the software requirements model is transformed into design models that describe the details of the data structures, system architecture, interfaces, and components. Each process model follows a series of steps unique to its type to ensure success in the process of software development. Effectiveness of scrum and kanban on agilebased software. Next, knowledge management models that are based on maturity models are described with examples of such models. Software maintenance and evolution introduction learning outcomes gain familiarity with the concepts of software evolution, reuse and maintenance. Software maintenance is an integral part of a software life cycle. We also show that software maintenance and development are two separate. Psychological view of software maintenance and software complexity. The scrum software development model initiates with an ephemeral planning. This chapter introduces the reader about the background of our thesis, the motivation behind.
Machines, tools, parts, equipment, hardware, software, and so on equipment to be maintained. In this section a number of general process models are introduced and they are presented from an architectural viewpoint. No matter the motivation, software maintenance is vital for the evolution. Most parts of the icebergs are under water and cannot be seen. It is not clearly defined what this deliverable is. Motivation for software engineering addressing the software crisis 1968 systems from cs 487 at illinois institute of technology. This new shopping environment allows customers to do research, compare prices and features, check availability, arrange delivery, and choose payment methods in a single convenient session. The software development life cycle sdlc is a terminology used to explain how software is delivered to a customer in a series if steps.
An unsatisfied need creates tension that stimulates drives within the individual. Motivation for software engineering addressing the. It is a fire fighting approach, waiting for the problem to occur and then trying to fix it as quickly as possible. These models can be used to explain different approaches to software development. There are various software development life cycle models defined and designed which are followed during the software development process. Psychological view of software maintenance and software complexity while an economic perspective conceptualizes software maintenance as a production activity and enables insights. An analysis of maintenance strategies and development of a model for strategy formulation a case study master of science thesis in the master degree programme, production engineering gustav fredriksson hanna larsson department of product and production development division of production systems chalmers university of technology. Software maintenance itself as a field of study is new compared to software development. These drives generate a search behavior to achieve particular goals that will satisfy the need and lead to a reduction of tension. The sixpoint star model defines project management factors. Chapter 3 addresses concrete techniques which 1 help to comprehend a program e.
A unified ontologybased process model for software maintenance 59 3 modeling a software maintenance process a model is essentially an abstraction of a real and conceptually complex system that is designed to display significant features and characteristics of the system, which one wishes to study, predict, modify or control. This paper presents the software maintenance capability. There are very many software process and lifecycle models and. Software engineering software process and software. Jan 11, 2017 software maintenance and evolution introduction course themes software maintenance software evolution software reuse 4 5. The effective methods and processes for software and systems integration require disciplined software design and development practices, including test planning, test execution, configuration control, quality, and reporting to management and the customer of the work product being tested inside integration facilities. Software maintenance process the series of actions taken to effect change during. Therefore, gathering knowledge about the pros and cons of these methodologies is very effective for the people who belong in this field. First, general models for knowledge management are outlined. Ieee international conference on software maintenance and evolution icsme is the premier forum for researchers and practitioners to present and discuss the most recent innovations, trends, experiences, and challenges in software maintenance and evolution.
The spiral model is the most flexible and agile of all traditional software process models. Based on herzbergs motivation hygiene model, an important development in the field of motivation was the distinction between motivational factors and the mere maintenance or hygienic factors. Need for maintenance software maintenance must be performed in order to. This software is designed to address the needs of users by defining an easy to use standard protocol implemented through various pc client and mobile applications that build on the cloud storage concept so as to store and share material, process and test data. The motivation process progresses through a series of discrete steps. This chapter examines the effectiveness of scrum and kanban methods in terms of their impacts on project management factors for a software maintenance project. Perfective maintenance is concerned with the change in the software that occurs while adding new functionalities in the software. In this paper, we present our suggestion for a business maintenance model. Software maintenance is an important phase in the lifespan of a software system. Learn software development processes and methodologies from university of minnesota.
Six sigma concept in the maintenance process of technical systems 95 ees and their motivation for work, which includes a radical change of culture of companies 4. However, generic models, as they aimed at more wide applications, are not always straightforward to implement. The motivation for the smmm was to contribute to addressing the quality issues of the maintenance. Software process models software process a software process also knows as software methodology is a set of related activities that leads to the production of the software. Agile software development is an approach that is used to design a disciplined software management process which also allows some frequent alteration in the development project. The main purpose of software maintenance is to modify and update software application after delivery to correct faults and to improve performance. Software development practices and software maintenance. Motivation for software engineering addressing the software. Studies suggest that the software maintenance process begins without proper knowledge of the software system. A unified ontologybased process model for software. A study on estimating software maintenance found that the cost of maintenance is as high as 67% of the cost of entire software process cycle. As the user has proper knowledge of the software system, it becomes easier to maintain the software system without having need to manage the detailed documentation. Software maintenance maturity model software verification and. As a result, the software maintenance team needs to use a quickfix model to avoid the time consuming process of smlc.
Software engineering software maintenance geeksforgeeks. In addition, software maintenance serves the following purposes. This model, which represents information about the development and maintenance of software systems, emphasizing relationships between different phases of the software life cycle, provides the basis for automated tools to assist maintenance personnel in making changes to existing software. In the following subsection, we introduce software maintenance based on the three change theories described in section 3. Software maintenance is a substantial part in the lifecycle of a software system. We call it corrective maintenance maturity model cm 3. Software is quickly becoming integral part of human life as we see more and more automation and technical advancements. Capability maturity model cmm, ami, spice, bootstrap, trillium, iso 90003 standards. The software maintenance process focuses on fixing errors, recovering from failures such as hardware failures or incompatibility of hardware with the software, and accommodating changes in the operating system and the hardware. Changes are implemented in the software system by following a software maintenance process, which is known as software maintenance life cycle smlc. B2c businesstoconsumer using the internet, consumers can go online to purchase an enormous variety of products and services. Pdf software maintenance is one of the major concerns of software development and. Process model for knowledge management shekar sivasubramanian cmulti16003. The purpose of this paper is to address some of the difficulties in this process, by proposing a framework for the development of maintenance model.
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