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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.
Agile project management is an iterative approach to the planning and monitoring of project processes. Agile projects are conducted in smaller tranches called iterations with each of these iterations closely reviewed and critiqued by the project team (employees, representatives of the clients etc.). The knowledge gained from this process is then used to ascertain the next steps of the
The software development life cycle (SDLC) is a framework defining tasks performed at each step in the software development process.
Lack of managerial control over process and product under the agile method which is also been as a problem.
Each decision-making strategy has advantages and disadvantages and none are always better than the others. An effective team leader will consider the options and determine which strategy is the most appropriate one for the issues to be decided and the circumstances in which the decision is to be made and implemented. Outcome-oriented businesses need leaders skilled at decision-making. Decision-making styles are neither good nor bad. The effectiveness of any decision-making style depends on the situation in which it is used. Performance is enhanced by integrating all styles, by finding the style that works best in particular project, or by being able to move intentionally from one decision-making style to another.
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
The Systems Development Life Cycle (SDLC) consists of phases used in developing a piece of software. It is the plan of how to develop and maintain software, and when necessary, replace that software. In 2007 during my hospital’s transition to a new software system, I was fortunate enough to be included in the process. I did not get involved until the implementation phase, but from then on, until now, I remain very active in the process. I decided to highlight the Waterfall Model of SDLC. The Waterfall Model is a “sequential development process” with each phase continuing in a line (McGonigle and Mastrian, 2012, p. 205).
Schrodl, Holger and Wind, Stefan, "Adoption of SCRUM for Software Development Projects: An Exploratory Case Study from the ICT Industry" (2011). AMCIS 2011 Proceedings - All Submissions. Paper 256.
Waterfall or Agile? Differences between predictive and adaptive software methodologies. (2016).SearchSoftwareQuality. Retrieved 5 August 2016, from http://searchsoftwarequality.techtarget.com/tip/Waterfall-or-Agile-Differences-between-predictive-and-adaptive-software-methodologies
A software development methodology is a standard proven process which helps programmers, architects, system analysts and others to make a well controlled and an efficient progress in the high quality software development.
Most of the software development projects change just during the development is in process. This is the reason that agile methodology is best for these projects. There is a room for change in them. Software developers follow these methods and this is the reason that they have further modified these methods according to the different types of projects they confront in their development time.
Describe the agile method Scrum. Describe all the roles, eg. Product owner, scrum master, etc. (2 pages)
Given the time, it takes to develop large sophisticated software systems it not possible to define the problem and build the solution in a single step. Requirements will often change throughout a projects development, due to architectural constraints, customer’s needs or a greater understanding of the original problem. Iteration allows greater understanding of a project through successive refinements and addresses a projects highest risk items at every stage of its lifecycle. Ideally each iteration ends up with an executable release – this helps reduce a projects risk profile, allows greater customer feedback and help developers stay focused.
“Decision making is a process of first diverging to explore the possibilities and then converging on a solution(s). The Latin root of the word decision means "to cut off from all alternatives". This is what you should do when you decide.” (Kotelnikov, 2008). In fact, the decision making process helps reduce doubt and uncertainty about alternative choices to allow individual to choose the best reasonable choice. In addition, the decision making process can make the difference between a successful and an unsuccessful organization. Consequently, management tries to use the best techniques and tools possible to make the best decision. Nowadays, most organizations seem to think that they have the most effective and efficient decision making process. So what are the different styles of decision making processes have organizations implemented? In order to answer this question, the team members will investigate and observe the decision-making processes most prevalent in their organization. As a result, these papers will first compare and contrast the problem identification and formulation styles in the team members’ organizations. Then the most favorable aspects of each style will be discussed to describe a process by which a problem can be identified and described to stakeholders in a manner that is sensitive to their perspective.
Agile leaders help individuals to grow continuously and not encourage to bring new ideas. The Ideas that trigger positive change. But in order to foster structured change and create innovative organization, IT processes, roles and responsibilities, and quality management needs to be well understood and well defined, which helps improve IT governance performance. At the same time, agile leadership must device a continuous agile delivery across structural and architectural quality factors of the software. That quality delivery framework must check everything from security, robustness and performance in addition to functional aspects of the product. Compound all that with applications running in cloud. So agile leaders must design a fast paced, multifaceted testing environment that can keep up with a face paced agile software releases. So automation comes very handy in an agile testing organization. The right level of scale in a continuous integration environment is crucial to ensure that software quality is not compromised. A true leadership comes from simplicity and agility while a good IT decision making and governing process is in place. Leadership welcomes change and work as an enabler to focus on what is next. Leaders keep their eyes on the value for the business. Focus on what makes sense for the business
Problem solving and decision-making are fundamental in all managerial activities. Although these defining characteristics of management can be used interchangeably, current literature makes a comprehensible delineation between the two. Problem solving can be defined as a mental process and is part of a larger process that begins with identifying the problem and ends by assessing the efficiency of the solution. Decision-making is also considered a mental process and identifies several alternative scenarios before making a final selection. For the purpose of this analysis, I will discuss the similarities and differences of problem solving and decision-making. I will also explain the steps of the decision-making process and discuss the different decision-making approaches.