DevOps vs Agile

This blog discusses the concepts of DevOps and Agile methodologies in more detail. In this session, we are going to compare various approaches of DevOps and Agile that have been incorporated by many enterprises across the world. This blog mainly focuses on the topics which comprise DevOps and Agile, its advantages, differences, similarities, and other related concepts. Let’s begin by comprehending the terms of DevOps and Agile.

What is DevOps?

DevOps and Agile have significant variations. DevOps intends to provide more reliable interaction between the development team and the operations team. It doesn’t mean that it proffers a whole strategy for the implementation of the work as such. Instead, it expedites a better interchange of information and tools among the teams and overcomes the incompetence caused otherwise. DevOps also strives to engage automation in every process involved in software development, and we know that automation brings enhanced productivity and cost optimization to any corporation.

Advantages of DevOps

It ensures more accelerated deployment of products compared to the pre-DevOps scenario. It is expedited by improved communication among teams.
Performs a quicker time to market. The faster the product is tested, the faster it reaches customers. Therefore, it assists in overcoming other competitors in the market and accumulating higher profits.
DevOps reduces recovery time. During an app crash, DevOps assists in automated rollbacks and decreases the recovery time of the application. Indeed, it amplifies the reputation of the industry by producing higher gains again.
DevOps diminishes the failure rate of new releases. By implementing multiple checks before the final deployment into the market, we can be confident about the quality of the final product.

What is Agile?

Agile is one of the software development methodologies, which concentrates on various short-term development life cycles. Possessing short life cycles enhances the quality of a product. The feedback obtained from consumers is prioritized by the life cycle and permits us to make corresponding changes to the product quicker. Agile has a much smaller life cycle that makes it much more productive than its analogs. It makes the products more comfortable to test, obtain feedback faster, and apprehend the market early.

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Advantages of Agile

It ensures better transparency. The more consistent releasing of new and quality products lays the more trust by consumers or clients.
It predicts cost and schedules tasks. Agile accomplishes this because of smaller life cycles. The long-duration projects may include unexpected variables that can influence the budget and the time of project completion. 
Agile methodologies are adaptable to change. Agile makes the products more versatile to future amendments as per market necessities.
Agile enhances quality. More accelerated feedback will place on the track of constant enhancement, therefore delivering quality products.

Distinguishing DevOps and Agile

Even though both procedures promote collaboration to increase speed and efficiency, there are numerous variations while applying the method by which this goal is attained. The following are some critical differences in the Agile vs. DevOps conversation in terms of process, teams, focus and feedback, and tools.

Process: 

  • Speaking about the execution of particular tasks, with Agile, interaction among teams and consumers is consistent, necessitated changes are included continually throughout the production process to ensure quality. With DevOps, the focus is on constant testing and delivery, but the conversation is essentially between developers and IT operations. 
  • The Agile process is more suited for complex projects, while the DevOps method is more suitable for end-to-end processes.

Teams:

To tell about the team structure. More substantial teams tend to use DevOps, with the skill set distributed among team members within operations and development. Here, each team member has a particular task or set of tasks to finish throughout each level of the process. Agile is more suited for smaller teams to complete work faster. The Agile strategies will not typically prescribe a specific set of tasks to team members but instead inspires all members to share competencies equally. Due to this, all Agile team members can handle or assign any part of a project at any given time.

Focus and Feedback:

When it comes to focusing and feedback, Agile and DevOps also vary. While DevOps projects tend to focus on operational and business readiness with most feedback acquired from internal team members, an Agile strategy typically gets the feedback directly from the customers. Concerning focus, Agile teams regularly implement sprints, with each sprint enduring less than a month. With sprints, the achieved tasks are completed following increments, as one sprint starts immediately when the previous sprint finishes. With DevOps, there are specific deadlines to meet and standards to achieve, some of which can occur daily.

Tools: 

Both Agile and DevOps tend to use various tools, depending on the project. The popular project-management tools in Agile include Kanboard and Jira project management software and Bugzilla server software. DevOps uses tools like AWS cloud computing services, Puppet automation software, TeamCity servers, OpenStack software, and Chef infrastructure.

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Common similarities between DevOps and Agile

  • Agile and DevOps both target speed, efficiency, and quality results throughout the software development lifecycle. They also concentrate on shorter release cycles. Both these methodologies will not focus much on documentation levels and instead consume more time on automation and collaboration. 
  • As projects progress, the risk level reduces while practicing Agile or DevOps models, whereas risk rises over time with other models as the waterfall.
  • When new marketing needs arise, Agile and DevOps approaches prepare corporations to be greatly responsive by inscribing marketing needs immediately. Firms that use either strategy also typically have more established ownership of their respective projects.

Do Agile and DevOps can be practiced together?

It's not necessary to commit to one approach over another. Practicing the combination of both methodologies can increase efficiency. Both these methodologies have significant roles to play with software development and deployment, and one can be used to enable the other.

Measuring speed and risk

Teams that implement Agile with or without using DevOps need to remember that the basis for adopting the change should be proficient. The team must possess profound knowledge and precise comprehension of the framework and organize them as part of their software development. 

Speaking from the DevOps perspective, the team must assure that the newly incorporated changes must not let any risk pass in. Also, the team has to ensure unseen or transparent changes should not exist, as DevOps is a continuous process and there is scope for numerous changes on board.

Therefore, when implementing DevOps, the team must possess a clear idea of the existing risk with every change being implemented. 

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Agenda for ensuring Quality

The agenda for implementing both Agile and DevOps is to help improve the work efficiency, deliver enhanced applications that are independent of risk. Quality is a critical factor for any business. 

Agile produces applications that fit better with the essential requirements and can adapt those changes to respond quickly. Agile designs a workflow that can be adopted as per the changing necessities of the project.DevOps can assist to disclose early bugs and fix it for having improved quality software. Developers have to implement the best coding practices to achieve the expected quality.

Agile and DevOps need to stretch their limits to connect the gaps and to prove efficient. To accomplish this they must adopt the practices and principles of implementing Agile and DevOps practices, for more accelerated development and deliver refined quality software with reduced risks. 

Impact of DevOps and Agile on the Corporations

Several prominent industries like Walmart, Amazon, Sony, Netflix, etc. practice DevOps to automate all of their processes and build more reliable and smarter products. Even startups, both big and small enterprises like Flipkart, Ola, Grofers, and others, have commenced adopting the DevOps culture into the whole life cycle to enhance the product's quality.

It is hard for a prospered comprehensive corporation to migrate to the Agile methodology, where there are diverse teams already existing for different roles. But if done, it can produce advantages as examined and proven by British Telecoms, National Bank of Canada, Lego, and many others.

Conclusion:
DevOps cannot be removed or replaced by Agile, both DevOps and Agile methodologies compete with each other. The implementation methodologies reduce the time to execute and streamline the process such that an application moves quickly from deployment to the production area. Enterprises practicing the Agile model implements the process of automated testing and delivers by extending their outlines until the enclosing area. Therefore, both Agile and DevOps don’t stretch their limits, thus enduring in their province.