Agile + Dev Ops + Lean
Why do companies go for Agile + Dev Ops + Lean:
Are software development companies combining Agile, DevOps and lean to develop and deliver software services?
This is the new trend in the software industry as most of the companies are adding all these frameworks to develop projects to sustain in the market and deliver the services with much efficiency.
Dev Ops :
In software development, DevOps aligns the software development and IT Operations to make the complete life cycle development efficient and with focus on timely updates, features, fixes , updates, compared to traditional software development and infrastructure management processes DevOps is the combination of practices which helps the organization to deliver software applications and services more efficiently and with much more improvement in quality with focus on timely updates and features.
Development and ops teams are merged to complete application lifecycle, In some cases, quality and security teams may also integrate with development and operations throughout the application lifecycle, and when the security is the focus in the team, it is referred as DevSecOps.
In DevOps the teams use technology to operate the applications more reliably and quickly, practices are being used to automate processes which were slow earlier. They also help developers in accomplishing individual goals which result in the overall efficiency of the process.
Agile: Agile methodology focuses more on processes and uncertainties’ in the development process, and in this methodology, it is difficult to provide the final outcome of the software to be developed, no engineer will know how the software is going to look like until it is complete.
The agile software development came into existence in 1960 when engineers and project managers began to see the benefits of incremental software development.
And in 1990s lightweight process frameworks came into the picture, Like dynamic system development method, scrum, crystal and development methodologies like extreme programming and xDD methods
(Test Driven Development, Behavior Driven Development, Feature Driven Development)
In Agile, the team will have a vision and outlook of the product, however, during the process lot of features may change and new ways have to be found to solve those challenges, the changes are often unexpected from the client side, however Agile is all about adaptability and being adaptable.
The Agile is all result oriented and is measured by the final outcome.
Due to the increasing demand for IT services, the organizations need to have a sustainable way to scale the service delivery and capacity with much more efficiency and processes in place.
LEAN:
In lean development, the focus lies in eliminating waste, in the process of software development, the main important factor is delivering the project on time, so lean development lies in eliminating useless meetings, documentation and unnecessary tasks which automatically results in reducing cost and increasing efficiency.
In Lean the success is measured by the number of resources saved - it’s process-based.
Both lean and agile are not mutually exclusive.
The core principles of lean software development are
- Eliminating waste
- Learning Amplification
- Delay in decisions to reduce uncertainty
- Fast delivery to get the feedback and incorporate the same
- Team empowerment to make decisions
- imbibe quality into development and product on all stages
- Seeing and observing the whole system in which product and system exists
Lean software development and Agile principles overlap a lot like both of them focus on teams, value, quality and eliminating waste.
In Lean software development and Agile software development, experts say the confusion in the two is mainly caused by Kanban, as both rely on Kanban boards to showcase the work items, however, they have different goals and means to achieve them.
Lean Focuses on the identification of value, reduction in the wasteful activities and process optimization and this becomes possible by visually mapping the workflow of the project.
Conclusion:
And for this organizations are slowly moving to workflow concepts namely lean, agile and DevOps. Though Agile and DevOps have a common goal to improve efficiency and quality of the value delivery, lean is becoming very vital to implement during the process to eliminate the waste.
The main focus of Agile is to optimize the software development with not much consideration to the IT value stream; DevOps bridges the gap between the two.
Wherein Lean focuses on a broader spectrum by focusing on the entire process wherever input and output take place.
We can also say Agile is the bottom-up approach of software development and lean is the top-down approach.
In the complete process, it is very necessary for the entire organization to eliminate the waste and this is when Lean development concept comes into the picture.
Lean Development is guiding principle about IT and its relationship with an organization as well as the development approach.
In the software development we follow Agile and Lean together, these are not alternatives and are both intertwined in the software development.
In Agile methodology, the core belief and principle is that the software development team and other associated teams/clients do not know how the software is going to look like until its completion. So in agile, the focus is on the problem of uncertainty in the software development process.
During the software development process, we come across new inputs/requirements from clients which are often unexpected and create a lot of hurdle in the process, we collect new data which might change the process, we discover new ways to challenge unexpected issues in the development and that is why we say Agile is all about adaptability.
- In Agile the success is measured by the final outcome, i.e. working software. - it is result-based.
- Agile is to shorten the cycle time of tasks, fast delivery and being adaptive to changes.
- Agile is time-bound while as lean is a continuous flow.
- As a result, Kanban boards usage varies in Lean and Agile.
- In Agile, the board is usually restarted after each iteration.
In lean, the board structure remains the same and new items are updated in progress as and when they arrive.
Both lean and Agile are always there to alleviate the problem with uncertainties which implies that planning being the important part of the process, it should be continuous and parallel to execution since it is execution which helps in getting the insights. Early Feedback also plays a major role which helps in avoiding the premature assumptions and wrong decisions
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