A change in outlook is required in Agile methodologies as compared to other traditional approaches. The fundamental focus in Agile is to achieve maximum business value as compared to the scope in Waterfall methods. In Agile, quality and constraints can be changed to realize the main objective of accomplishing maximum business value while in Waterfall, cost and schedule are altered to ensure the desired scope is achieved.
The Waterfall model will fit for well-organized and foreseeable projects wherein accurate estimation and well demarcated project requirements are prevalent. However, these types of projects are on the decline in many organizations and industries. Why the decline? Shifting requirements from customers’ impacted businesses to urgently adapt and contemplate objectively the pros and cons of their delivery methods.
In software development projects, Agile techniques and tools matter a lot – in choosing those tools which would be a perfect fit in consonance with their project features and requirements, vision and mission statements, organizational culture and structure.
Kanban accentuates just-in-time (JIT) delivery and strive to prevent overburdening developers. The pull principle is made use of by Kanban in the creation of task queues. The tasks are exhibited using visual aids. On the basis of availability of capacity, the developers pull tasks from the queue. Kanban as a visual management process and the Kanban method, which can be defined as incremental evolutionary process management are the two broad types of Kanban.
Lean Kanban is a set of values and principles summary on how to get success with product development. Whereas, Kanban is a process tool through which these values and principles are put into practice.
Scrum’s adaptability to change that form its core principle benefits intricate projects with uncertainty of a higher magnitude wherein undertaking long-term projections and estimations would definitely entail high risk. Scrum works best for projects wherein project requirements in the longer run are almost uncertain, the projects get impacted by the rapidly fluctuating market dynamics, and where teams would be expected of to have more flexibility.
The prime focus of Crystal family of methodologies toward efficiency, osmotic communication between team members and feedback-based learning for future operations can be adopted by teams if it suits their requirements pertaining to the project.
Extreme Programming is an Agile practice premeditated to improve software quality and responsiveness as per changing customer wants. It is characterized by a flat management structure. It has a few definitive features such as pair programming, unit testing of all code, and frequent communication with customers and programmers.
There is no magic rule that a team needs to use a particular Agile tool ‘only’ as that would depend on the project features and requirements, and how they are going to manage it.