The Agile Framework in Detail
Agile relies on a continuous, cyclic process that encourages flexibility, experimentation, and adaptability. This approach includes cross-functional teams that work on iterations of a product, which is then organized and prioritized based on the evolving needs and wants of the customer.
Business stakeholders and developers work hand-in-hand to create a product that aligns with both the customer needs and the company goals. Agile combines each working piece of a project to create the most comprehensive, effective product possible.
There are six phases that make up the agile approach, but these phases are not set in stone. More often than not, the phases evolve as the product changes or overlap one another so there are multiple stages in process concurrently. These steps include:
Requirements Analysis: Projects are envisioned, crafted, and prioritized based on the needs of the customer and the goals of the company.
Planning: Teams are formed, appropriate funding is designated, and initial requirements are discussed and formulated. There are only initial requirements, which are likely to change as the process evolves.
Design: Development teams work to deliver software based on requirements and feedback. Multiple teams are involved in the iterations of the development and communicate on the progress of each respective step.
Implementation, coding or development: Quality Assurance (QA) testing, documentation development, internal and external training, and final release of the iteration go into production during this phase of the process.
Testing: Teams continue to create, troubleshoot, and support the software production as it progresses.
Deployment: The product is delivered to customers for them to use. Customer notifications and migrations are considered, along with end-of-life activities.
The Agile Manifesto: Values
The Agile Manifesto and the Twelve Principles of Agile Software outline the values that allow you to speed up development time, ensure adaptability, and accommodate changing needs. The Agile Manifesto designates the principles that drive this flexible process.
The core values of the Agile Manifesto guide each project to high-quality development and speedy delivery of functioning, top-notch software. These values include:
Individuals and Interactions Over Processes and Tools: The Agile Manifesto designates that people should be held on a higher pedestal than processes or tools, because it is the people who drive the development of software. Teams are more responsive to both change and customer needs, and that communication is crucial to the success of the agile process.
Working Software Over Comprehensive Documentation: Delays and setbacks came about during product development due to enormous amounts of time spent on documentation. While Agile does not eliminate documentation, it consolidates it into a single form that gives the developer all needed information upfront to complete the project.
Customer Collaboration Over Contract Negotiation: Agile values collaboration as its preferred method of communication, instead of saving discussions for later points in the development process or bogging down discussions before development begins. The Agile Manifesto prefers that customers are engaged and collaborative throughout the entire process, eliminating the need to negotiate at specific intervals.
Responding to Change Over Following a Plan: Historically, changes to software development were thought of as expensive, time-consuming, and unnecessary. With the iterations involved in Agile, priorities can be shifted and room can be made for changes in the process as it moves from one iteration to the next. Agile allows for a quick, immediate response to change and does not require an elaborate, rigid plan upfront to designate the process from the get-go.
The Agile Manifesto: Principles
The Twelve Principles behind the Agile Manifesto guide the culture of the process and demonstrate the intent of embracing a more flexible approach, as opposed to traditional strategies. These principles include customer satisfaction, attention to detail, and regular reflection.
The principles of the Agile Manifesto are as follows:
Customer satisfaction through early and continuous software delivery
Accommodate changing requirements throughout the development process
Frequent delivery of working software
Collaboration between the business stakeholders and developers throughout the project
Support, trust, and motivate the people involved
Enable face-to-face interactions
Working software is the primary measure of progress
Agile processes to support a consistent development pace
Attention to technical detail and design enhances agility
Self-organizing teams encourage great architectures, requirements, and designs
Regular reflections on how to become more effective
What Is an Agile Sprint?
An Agile sprint breaks down large tasks into smaller, more actionable ones. Sprints are carried out in one to four week periods and create simpler, more achievable goals that you measure and review as you complete each one.
These agile sprints are thirty days or less and track progress in a timeboxed effort, meaning it is restricted. The purpose of agile sprints is to coordinate the work of multiple scrum teams, like Large-scale scrum (LeSS), Scaled Agile Framework (SAFe), and others.
What Is an Agile Epic?
An Agile epic is a large scope of work that can be broken down into smaller, more targeted tasks, or user stories. Epics organize work into a hierarchical system that prioritizes tasks within the larger project.
What is Agile Iteration Planning?
Agile iteration occurs when project tasks are broken into components, called sprints. Sprint planning works to determine the features and functionality in each iteration based on the product owner’s wants and the development team members’ abilities.
User stories and backlogs, both product and iteration, are reviewed to develop the list of tasks that are possible to complete during the sprint. This planning process creates a more detailed plan including which tasks are to be performed by which team members and the ideal duration of each task. Based on these variables, an agile schedule can be completed, detailing the activities, testing, design, and involvement necessary to complete a task.
Advantages of Using Agile Methodology
The advantages of the Agile methodology include increased flexibility, speed, and communication. These abilities stand in direct contrast to traditional Waterfall methodology. We’ve outlined some additional advantages of using Agile below:
- Ease of Change: With increased communication, short iterations, and cross-functional teams, Agile embraces and easily implements changes to the overall project.
- Flexible End Goal: In projects where the end goal is not already determined, Agile allows for the fluidity of uncertainty. As the project progresses and more variables become known, the goals can be determined later in the process.
- Speedier Delivery: By using iterations, individual teams can home in on smaller pieces of a larger project and contribute to the stages concurrently. This allows you to quickly solve problems and easily identify software issues, which enables you to deliver the end product more quickly.
- Strong Communication: Agile encourages increased communication across teams in order to stay on track. Cross-functional teams are no longer siloed, and responsibilities are widespread across specific parts of the project.
- Improved Customer Collaboration: The customer is encouraged to give input, and has visibility into the work across any and every point of the process. The customer can track goals and milestones to make sure their ideal end product is achieved.
- Constant Improvement: Feedback from users and team members contribute to a steady rate of improvement for each project.
Disadvantages of Using Agile Methodology
Although Agile is often praised for its flexibility and speed, it does come with trade-offs. Agile projects have less established project plans, and team members need to be extremely knowledgeable. We’ve outlined some of the disadvantages of the Agile methodology below:
- Less Concrete Planning: Agile is framed around a time-boxed delivery and priorities are constantly being renamed, making it hard to nail down a set delivery date on projects. Additionally, sprints or iterations can be added to the project strategy, increasing project timelines and pushing back previously set deadlines.
- Team Members Wear Many Hats: Agile teams are generally small, so all team members must be knowledgeable about a variety of processes, along with the Agile methodology itself.
- Complete Dedication from Developers is Needed: Agile is the most successful when developers are fully committed to the project and constantly collaborate throughout the process, which requires more time commitment.
- Final Product can Differ: Because the initial Agile plan might not be set, the actual final product can vary greatly from what was proposed. Agile is very flexible throughout the entire project, so iterations can be added, customer feedback can alter plans, and timelines can change, resulting in a potentially new deliverable.
When to Use Agile
Agile offers a roadmap into software development through open communication and ongoing feedback. Agile processes are effective when creating a plan with stages that can be tailored for the customer as the end target evolves.
Agile requires less upfront planning and rigid, linear structuring. Instead, this process allows for rapid feedback and incremental updates throughout the process.