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contrast methods of agile and waterfall
contrast methods of agile and waterfall
comparison of Agile/traditional methodology
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Agile methods have a number of disadvantages. Discuss the disadvantages of agile methods and how those disadvantages can be managed, with examples.
Agile method is newer software development method in software industry. Until 2006, there are 17% of organizations are already using agile as their software devolvement method. Many and many organizations are getting interested and they are moving toward to adopt agile method nowadays. They believe agile methods are much more flexible and this method can bring significant benefits to their organizations, such as increasing quality, efficiency and customers’ satisfaction. However, there are some researchers found that agile method is not as good as expected. The studies suggest that there are a number of disadvantages of agile methods. In this essay, it will be briefly describe the disadvantages of agile method and how those disadvantages can be managed.
In software development project, organizations need to develop software to achieve business goals in a specific time frame. The most common methods that they use are called ‘waterfall method’ or ‘agile method’. Agile is a method that can break away from the traditional structure so the development styles can be more flexible. Most organizations think that agile method would be a better option compares with waterfall model because it is more efficient and it has a better adaptability in reality.
Although agile method has its advantages, agile method is not perfect. For example, agile method would be more suitable for a small project, but no a large project. It is because large project is often difficult to judge the efforts and the time require in a software develop cycle. (McCormick, 2012) The requirements of a project are always ke...
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...ient business knowledge to the agile team. Organizations also need to understand the issues of agile method and ensure they can manage those issues. Therefore, they can minimize the impact of agile method.
References:
Drury, M., Conboy, K., & Power, K. (2012). Obstacles to decision making in Agile software development teams. Journal of Systems and Software, Vol. 85, pp. 1239-1254.
McCormick, M. (2012). Waterfall vs. Agile Methodology. MPCS, Inc. pp. 1-8.
Sharma S., Sarkar D., Gupta D. (2012). Agile Processes and Methodologies: A Conceptual Study. International Journal on Computer Science and Engineering , Vol. 4 No. 05, pp. 892-898.
Yu, B., Loo, W., Tham, W., & Tan, S. (2012). Software Development Life Cycle AGILE vs Traditional Approaches. 2012 International Conference on Information and Network Technology (ICINT 2012), vol. 37, pp. 162-167.
The concept of agile management enables the program to meet its needs and provides a value for business effectively and efficiently, unlike the traditional project management which was highly based
Wells, D. (2009). Agile Software Development: A gentle introduction. In Agile Process. Retrieved April 20, 2014, from http://www.agile-process.org.
When comparing and contrasting waterfall and agile, they both use the same type of building blocks for the project: scope, cost, schedule and performance. They both also analyze, design, build, test, and deploy the requirement needed for the end result. The difference in these terms for each method is that when using waterfall for scope, cost, schedule, and performance, it sets the scope up front and then allows the cost, schedule, and performance to change depending on what is needed. An agile method will set the cost, schedule, and performance upfront and then have the scope vary, depending on what the company’s requests are after a working prototype. The waterfall is an iterative method meaning the next step cannot begin until the current one is completed. Once the current step is completed, it cannot be revised in anyway unless the project is scrapped and begin again. If the waterfall method is chosen, then the project team
Waterfall development and agile software development approaches have been the conversation at watercoolers in Information Technology (IT) departments. Which software development approach is most effective? Should the decision be made by industry or by project? Is the company considered archaic if they don’t embrace the more newly agile software development method? Each development method has much to offer. Both will be compared and contrasted and will conclude with the approach I believe is most valuable in a software development setting.
Scharff C., Gotel O., and Kulkarni V., " Transitioning to Distributed Development in Students’ Global Software Development Projects: The Role of Agile Methodologies and End-to-End Tooling". in Fifth International Conference on Software Engineering Advances, pp. 388-394, 2010
Software methodology development processes developed to streamline associated software development process, with the Waterfall methodology being the first such process in 1970. After the said such time, many new development methodologies such as Agile and Spiral methodologies developed to facilitate the shortcomings of Waterfall. As the Spiral methodology is an iterative development module, where methodology continuously cycles through phases. The Agile Method is an incremental development methodology focused on providing flexibility, through an incremental development. The software development methodologies each serving unique purposes for risk analysis based projects, large-scale, small scale, well-define, and customer-driven projects. Consequentially,
Agile software development is a group of software development methods based on iterative and incremental development, where requirements and solutions evolve through collaboration between self-organizing, cross-functional teams. It promotes adaptive planning, evolutionary development and delivery, a time-boxed iterative approach, and encourages rapid and flexible response to change.
2. With the waterfall methodology, the client knows what to expect. They’ll have an idea of the size, cost, and timeline for the project. They’ll have a definite idea of what their program will do in the end.
S.Balaji, Dr.M.Sundararajan Murugaiyan. “WATEERFALLVs V-MODEL Vs AGILE: A COMPARATIVE STUDY ON SDLC” . International Journal of Information Technology and Business Management, Vol 2, No 1, June 2012
As mentioned earlier, Software Process Improvement standards (SPI) and agile methods are totally different from each other. CMMI models are frameworks for process improvements while agile methods are development philosophy. When the synergy of agile and CMMI is introduced, organization gain value in their development. In today’s world, many CMMI adopting software organizations have agile teams in their software development fields. On the contrary, CMMI can be efficiently introduced in the agile development where an iterative approach which is companionable with CMMI. In CMM, agile fits within the concepts of CMM. CMM tells organization what needs to be done in order to get increase productivity but doesn’t tell how to do that (Nguyen N., 2010).
of a project has been one the driving forces behind the rise of Agile methodologies.
The paper focuses on the key components of agile teams and does not focus on non-agile teams even though a specific team has its own definite team characteristics. Thus, additional research may be needed to understand exactly what are the specific components of agile teams that make them truly agile. The paper focuses only on literature review and actual data may be needed for arriving at an appropriate conclusion and outcome apart from further research in this area. As part of the changed global scenario, many of the software development activities happen across various time zones and in various countries. This may also impact the software development activities. The paper does not focus on this aspect fully and more data is needed to understand the characteristics of agile teams that may need to be preserved during distributed or global software development (GSD). The framework highlights the key areas that need to be focused when agile teams are set up in an organization. The framework also focuses on how to make sure that the teams are set up for success. However, the areas highlighted are not exhaustive and detailed research may be needed to
With the continuously increasing business demands and globalization trends organization moving towards the distributed software development as a successful approach for overcoming the budget and time constraints of traditional software development. But With the rise in the globalization of business and the advancement of information and communication technologies, organizations are increasingly adopting distributed software development (DSD) as a strategy to meet the traditional budgetary and time constraints of software projects. With all the benefits of time and cost in DSD, it also has associated challenges of distance and socio-cultural based communication, coordination and control. In recent era researchers have shown interest in integrating agile methods in DSD due to the core principles of agile methodologies i.e., flexibility, continuous emphasis on communication and short iterative development to get satisfied customers to produce quality software products.
Many systems have been developed with the aim of improving the efficiency and quality of software development. This paper will examine the ComputerAided Software Engineering (CASE) system and the Agile software development system for the purpose of examining similarities and differences in achieving improvements in productivity. The Computer-Aided Software Engineering (CASE) system provides development tools designed to automate the design and implementation of system projects. The goal of CASE system is to use technology in order to improve quality and efficiency and increase productivity in software development and maintenance. In contrast, Agile software development does not normally consist of a set of organized tools assembled to facilitate
Agile is an iterative based software development methodology. In this particular approach a certain functionality of the software is developed in two to four numbers. The client or the partner for whom the system or the software is being developed stays in constant communication throughout as their feedback forms the basis of the next iteration. Since the feedbacks are readily and easily available, the final outcome rarely turns out to be undesirable for the clients.