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Scrumban: Hybrid Methodology of Scrum and Kanban

Scrumban, a hybrid methodology that combines the best practices of Scrum and Kanban, has emerged as a powerful solution for teams striving to optimize their workflow and deliver value more effectively.

Scrumban harmoniously blends the structured, iterative nature of Scrum with the flexibility and visualization capabilities of Kanban.

Key Highlights:

  • Defining Scrumban
  • Principles of Scrumban
  • Implementing it in the process
  • Learning its benefits
  • Facing the Challenges
  • Future outlook

What is Scrumban?

Scrumban is a flexible and adaptable technique that blends the structure and iterative nature of Scrum with the lean principles and visualization capabilities of Kanban.

Image: A circular diagram representing Scrumban

It is designed to provide teams with the benefits of both methodologies, enabling them to optimize their workflow, improve collaboration, and deliver high-quality products or services consistently.

The term “Scrumban” is a portmanteau of the words “Scrum” and “Kanban“, reflecting the seamless integration of these two popular agile approaches.

By combining the best practices of Scrum and Kanban, Scrumban offers a unique and tailored solution for teams to manage their projects effectively, fostering continuous improvement and maximizing productivity.

Principles of Scrumban

Scrumban is a hybrid approach that combines principles from both Scrum and Kanban methodologies.

It aims to leverage the strengths of these two popular Agile frameworks while addressing their respective limitations.

The core principles that underpin the Scrumban approach are:

Visualization of Workflow

Like Kanban, Scrumban emphasizes the importance of visualizing the entire workflow.

This is typically achieved through the use of a Scrumban board, which provides a clear and transparent representation of the various stages of the development process and the tasks/user stories moving through those stages.

Work in Progress (WIP) Limits

Inspired by Kanban’s WIP limits, Scrumban sets explicit limits on the number of tasks or user stories that can be actively worked on at any given time.

This constraint helps prevent overburdening the team and promotes a smoother, more focused workflow.

Continuous Flow

Scrumban encourages a continuous flow of work through the various stages of the development process.

Rather than adhering to strict time-boxed iterations (as in Scrum), work items are pulled into the workflow as capacity becomes available, ensuring a steady and efficient delivery of value.

Iterative and Incremental Delivery

While embracing the continuous flow principle, it still recognizes the value of iterative and incremental delivery.

Teams work on prioritized user stories or tasks, delivering working software or functionality at regular intervals, allowing for frequent feedback and course corrections.

Cross-functional Teams

Like Scrum, Scrumban advocates for the use of cross-functional, self-organizing teams.

These teams possess the collective skills and expertise required to take a user story or task from inception to completion, promoting collaboration, knowledge sharing, and a sense of collective ownership.

Continuous Improvement

Scrumban encourages teams to continuously inspect and adapt their processes, practices, and tools.

Regular retrospectives and feedback loops are essential for identifying areas for improvement and implementing necessary changes to enhance efficiency and effectiveness.

By combining these principles from Scrum and Kanban, Scrumban offers teams a flexible and adaptable approach to project management.

Implementing Scrumban

Adopting Scrumban in an organization involves a combination of Scrum and Kanban principles

It’s essential to follow a structured approach to ensure a smooth transition and effective implementation.

Key steps involved in implementing Scrumban:

  1. Educate the Team: Start by providing comprehensive training to your team on the Scrumban methodology, its principles, and its benefits. Ensure that everyone understands the roles, responsibilities, and processes involved.
  2. Define Roles and Responsibilities: Clearly define the roles of the Scrum Master, Product Owner, and the cross-functional team members. The Scrum Master facilitates the process, while the Product Owner prioritizes the backlog and ensures alignment with business goals.
  3. Set Up the Scrumban Board: Establish a visual Scrumban board that combines elements of both Scrum and Kanban. This board should display work items (user stories, tasks, etc.) flowing through various stages or columns, such as “To Do”, “In Progress”, and “Done”.
  4. Establish Work in Progress (WIP) Limits: Define WIP limits for each stage of the workflow to prevent overloading the team and promote continuous flow. These limits help identify bottlenecks and optimize the process.
  5. Conduct Sprint Planning: Retain the Sprint Planning ceremony from Scrum, where the team collaboratively selects and commits to a set of work items from the prioritized backlog for the upcoming Sprint.
  6. Incorporate Daily Stand-ups: Conduct daily stand-up meetings, as in Scrum, to facilitate team communication, identify impediments, and ensure transparency in work progress.
  7. Implement Kanban Practices: Embrace Kanban practices such as visualizing the workflow, limiting work in progress, and continuously improving the process through retrospectives and feedback loops.
  8. Conduct Sprint Reviews and Retrospectives: Maintain the Sprint Review and Retrospective ceremonies from Scrum to gather feedback, inspect the completed work, and identify areas for improvement.
  9. Continuously Improve: Emphasizes continuous improvement through regular retrospectives, adapting processes, and incorporating lessons learned from previous iterations.

Implementing Scrumban requires a gradual and iterative approach, allowing teams to adapt and refine their processes as they gain experience

Scrumban in Practice

Implementing scrumban in an organization requires careful planning and execution.

It’s a hybrid approach that combines principles from both scrum and kanban, so teams need to understand how these methodologies work together.

One key aspect is visualizing the workflow on a scrumban board. This kanban-style board helps make work in progress visible across the whole process.

Columns represent process steps like “To Do“, “In Progress“, and “Done“. Work items flow across the board from left to right as they progress.

Work-in-progress (WIP) limits are set for each workflow step to prevent bottlenecks and optimize flow.

Teams follow scrum ceremonies like daily standup meetings, sprint planning, and retrospectives. However, they use a more continuous flow model versus fixed sprints.

Cross-functional teams self-organize around prioritized work items pulled from the product backlog.

The product owner and subject matter experts groom and prioritize this backlog regularly based on business priorities.

The Scrumban framework promotes transparency in work by making process policies and blockers visible.

For example, teams may use explicit policies to limit work in progress or manage dependencies between work items.

While implementing it, teams iterate and optimize their unique workflow over time through kaizen (continuous improvement).

They may tweak WIP limits, policies, board design, meeting formats, and other process elements.

Benefits of Scrumban

One of the primary benefits of Scrumban is its ability to combine the structure of Scrum with the flexibility of Kanban.

This hybrid approach allows teams to adapt to changing priorities and customer demands more easily.

By visualizing the workflow and limiting work in progress, teams can quickly identify bottlenecks and make adjustments as needed, ensuring a smoother and more efficient process.

Improved Productivity and Efficiency

Scrumban’s emphasis on continuous improvement and the elimination of waste can lead to significant productivity gains.

By limiting work in progress and focusing on completing tasks before starting new ones, teams can reduce context-switching and multitasking, which often lead to decreased productivity. 

Better Collaboration and Transparency

The Scrumban board serves as a central hub for team communication and collaboration.

By visualizing the entire workflow, team members can easily understand the status of each task, identify potential roadblocks, and coordinate their efforts more effectively.

This increased transparency and visibility promote better collaboration and alignment within the team.

Challenges of Scrumban

While the combination of Scrum and Kanban can be a strength, it can also present challenges. 

Teams may struggle to find the right balance between the structure provided by Scrum and the flexibility offered by Kanban.

Too much structure can limit the team’s ability to adapt, while too much flexibility can lead to a lack of direction and accountability.

Resistance to Change

Adopting a new methodology like Scrumban can be met with resistance from team members who are comfortable with their existing processes.

Change can be difficult, and teams may struggle to embrace the new practices and mindset required for successful implementation.

Proper training, communication, and leadership support are crucial to overcoming this challenge.

Maintaining Discipline and Commitment

Scrumban relies heavily on team discipline and commitment to its principles and practices. 

Without a strong commitment to limiting work in progress, adhering to agreed-upon processes, and continuously improving, teams may struggle to realize its full benefits. 

Ongoing coaching, reinforcement, and accountability measures may be necessary to maintain discipline.

By understanding and addressing these benefits and challenges, teams can make an informed decision about whether Scrumban is the right approach for their project and organization.

Conclusion

Scrumban is a smart way to work that combines the best parts of Scrum and Kanban. It’s flexible but organized, and it helps teams see what’s happening clearly.

By using visual tools, teams can work more smoothly together and understand their goals better. While it takes some time to get used to, Scrumban is worth the effort.

Many teams have found that Scrumban helps them work together better, use resources wisely, and make their customers happy. It’s a versatile method that can be used in many different types of work.

To make Scrumban work, everyone needs to agree on the basics and keep learning and improving. With a focus on teamwork and adaptability, Scrumban can be a great tool for success.

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