Updated: Sep 14, 2019
DevOps is short for development and operations. It explains in an enterprise software development the relationship between development and IT operations. Agile Development is an umbrella term for several iterative and incremental software development methodologies.
The most popular agile methodologies include Scrum, Kanban, Scaled Agile Framework® (SAFe®), Lean Development and Extreme Programming (XP). While each of the agile methodologies is unique in its specific approach, they all share a common vision and core values . They all fundamentally incorporate iteration and the continuous feedback that it provides to successively refine and deliver a software system. They all involve continuous planning, testing, integration, and other forms of evolution of both the project and the software. They are all lightweight, especially compared to traditional waterfall-style processes, and inherently adaptable. And what is most important about agile methods is that they all focus on empowering people to collaborate and make decisions together quickly and effectively. The goal of DevOps is to change and improve the relationship by advocating better communication and collaboration between these two business units. DevOps (development and operations) is a software development methodology that combines software development with information technology ops to shorten the systems development life cycle while delivering features, and updates with business objectives.
DevOps principles demand strong interdepartmental communication. Team-building and employee engagement activities are often used to create an environment that fosters this communication and cultural change within an organization. Team–building activities can include employee activities, and employee engagement seminars. DevOps Engineer works with developers and the IT staff to oversee the code releases. They are either developers who get interested in disposition and network operations or system administration and have a passion for scripting and coding and move into the development side where they can improve the planning of test and deployment. DevOps is very much like a black box; you can track what goes in and kind of track what comes out, but you aren’t sure of what happens in between. To address the DevOps goal, we must focus on how we’re performing as an organization with everything in between user stories being completed and end users receiving the product. In most cases, there are a lot of manual processes in between that rarely get measured. You must be able to bring perceptibility to the labor-intensive relations throughout your channel so that your organizations can understand how those manual interactions affect their value delivery process.
As we measure our end-to-end pipeline and begin to improve it, we are addressing the fundamental DevOps goal and that is to 1) break down silos, 2) create cross-functional teams, and 3) improve the flow of value.
While DevOps describes an approach to work in a software environment the scope is much wider than a systems administrator, software programmer or business analyst or project manager. It is a combination of everything. job advertisements are increasingly using terms like "DevOps Engineer".
The primary DevOps goal is to ensure efficient and effective delivery of goals. For this the organization should have very active and well-organized strategy. Obviously, there’s a cultural change that must happen for a company to be successful with DevOps, so culture is a big focus, but the DevOps goal is to make the delivery of value more efficient and effective.
The goals of DevOps span the entire delivery pipeline. They include:
· Improved organization frequency;
· Faster time to market
· Lower failure rate of new releases;
· Shortened lead time between fixes;
· Faster mean time to recovery (in the event of a new release crashing or otherwise disabling the current system).
Simple processes become progressively dynamic. Using a DevOps approach aims to maximize the efficiency, productivity, security and operational processes. Very often, information technology supports this objective.
DevOps integration targets product delivery, testing, development, and maintenance in order to improve reliability and security and provide faster development and deployment cycles. Many of the ideas involved in DevOps came from the enterprise systems management.
Companies that practice DevOps have reported significant benefits, including: significantly shorter time to market, improved customer satisfaction, better product quality, more reliable releases, improved productivity and efficiency, and the increased ability to build the right product by fast experimentation.
However, a study released in January 2017 found that only one in five surveyed think DevOps had a strategic impact on their organization despite rise in usage.
Companies with very frequent releases may require a DevOps awareness or orientation program. To practice DevOps effectively, software applications have to meet a set of architecturally significant requirements (ASRs), such as: distribution, modification, analysis, and monitoring. These ASRs require a high priority and cannot be traded off lightly. Although in principle it is possible to practice DevOps with any architectural style, the microservices architectural style is becoming the standard for building continuously deployed systems.