What is DevOps? Why DevOps?
New Buzz in IT industry “DevOps”.
So.. What is DevOps?
DevOps is a healthy culture. It is not a technology, this is mindset how everyone can work closely and get the things done in collaborative manner in short time with very high quality. This has been evolved to bring the agility to both development and operations. It focuses on continuous improvement of the application lifecycle, making teams more productive, improving collaboration and high quality products faster.
Why organization should adopt DevOps?
To meet the demands of today’s business environment, adopting the DevOps methodology is a good strategy. Every organization involved in IT development has been focusing on Agility in development. But the ground reality is when time comes to deploy the individual stories developed by the developers on their machines gets failed due to poor code practices, incompatibility of the developed codes which lead to high time in deployment and defect leakage to production. Failed deployment again creates issues in rollback and business interruption. DevOps helps in removing this barrier.
DevOps is a philosophy under which the business function / teams, development teams, and the operations team collaborate on a continuous basis to make sure that IT solutions are available to business on time and that they run without disruption.
Waterfall, Agile and DevOps :
|Traditional Waterfall||Agile Development||DevOps Approach|
Waterfall Methodology delivers best when the requirements are defined and have sense of stable definition of done
|Agile methodology delivers best when the requirements are changing frequently||DevOps approach works best when requirement changes frequently|
|It deals with the phased-wise development like Requirement gathering, Designing, Build, Testing and deployment||Development to be fast. Better defect management, Sprint demos with business and iterative||Development and operations needs to be agile|
|Project duration is longer and product becomes available only when all the phases are complete.||Allows for nimble release cycles|
Continuous integration and continuous deployment
|No scope for Requirement change or react to the market demand||Business has prioritization influence||Automated platform for all the all the stages specially build, deployment and testing|
|You don’t know if the product is obsolete at the time you are done with all the phases||Small team with ownership defined||DevOps enables realization of the benefits of faster delivery of functionality achieved through Agile.|
DevOps is an extended Agile culture. Agile focuses on helping software developers create better software faster going through various sprints. Now, in the era of cloud computing, there is a need for these Agile practices to be extended to the hosting side of things. Hosting is nothing but Operations. DevOps focuses on helping teams create, deploy, and host software faster and more resiliently.
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