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Comparison of Agile/traditional methodology
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They are two methods of software development, with clear methodologies that help the companies shape their software and guide the teams within the software development lifecycle. But what makes them different and how can you chose between one and another?
About Agile
Agile method is focused on an incremental and iterative approach, proposing more freedom to the software design process. This freedom is necessary when there is a need to react promptly to new requirements or other factors that are influencing the product state.
With Agile the software development process is very flexible, it could be even considered as a freeform software design. There are no clear defined steps that one must follow, the software as a product is developed in small modules at a time.
A very important aspect in the agile methodology is that the end-user or customer feedback happens at the same time as the product is developed. Therefore the software itself need to adapt to this feedback and the development team needs to be able to respond quickly and effectively to changes in requirements.
Other aspect o...
Different application types require the use of various development techniques for a number of reasons. The below are a few such reasons:
Flexibility: The basis of agile is to accommodate change as software related projects are constantly changing. If there were a change in market or the emergence of a new product, the product could be easily updated. It also enables new ideas and innovation to be implemented mid-project even after the scope has been defined.
SDLC( Software Development Life Cycle) , is a process used by the software industry to design, develop and test high quality software .The SDLC aim to produce good quality software that meets or exceeds the user’s expectation and reaches completion within time and cost estimates.
Customer satisfaction is the important part in agile development and it is found by direct contact with the customers.
The difference is the way each employed
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.
Scrum is basically a framework for agile development. Scrum is a process that is used most of the time during complex projects in software development. It is also a simple yet affective way to manage work. The strategy in Scrum is to divide members into a team and have them work together to achieve a common goal or project. Scrum provokes communication between the members of the teams. This communication is imperative to the success of the project.
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.
However, the extent of the problem in the case of DSD seems to be so complex that a thorough understanding of it has not yet been defined. [3, 4] Several studies agree that communication is a particularly important issue in distributed agile development, [e.g. 57]. Agile methods rely on volatile requirements that are managed through efficient verbal communication [8] and thus agile software development methods pose their own challenges to the field of DSD.
A perceptive company with an ‘agile’ system can rapidly identify an alteration in the environment and gather useful information to quickly respond and avoid a major internal impact. This agility to quickly r...
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
It is possible to have a singular methodology for project management to specify morality and ethics when dealing with customers. Application of agile project management approaches like Atern offer a more inclusive approach for stakeholders including consistent update and revision of strategies. When the project manager violates protocol, all stakeholders should come together, clarify issues of violation, and set standards for all to follow.
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
As more companies that are leading technology are transforming from the traditional waterfall development model to an Agile software methodology, requirements engineering provides a process for software engineers to understand the problems they need to solve (Martin, Newkirk, & Koss, 2014). It is of key importance to understand the customer 's wants and needs before beginning designing or building the computer-based solution, as developing a solution that ignores the customer’s needs provides value to none of the parties involved. Thus, the intent of requirements engineering is to produce a written understanding of the customer 's problem (Pressman, 2010). Work products that are available to communicate this understanding include user scenarios, function and feature lists, analysis models, and specifications. This paper provides an evaluation of requirement patterns, an assessment of problem solving techniques most effective, a descriptive explanation of the patterns that includes a visual taxonomy, and an explanation of how the patterns identified are related.
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.