DevOps – The SRE Aspect

DevOps and SRE

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Both DevOps and SRE are gaining ground in the software development world because they enhance the product release cycle, foster collaboration, and promote automation. The ultimate goal of DevOps and SRE is to help build reliable and resilient software, but there are fundamental differences in their offerings and how they operate.

To that end, let’s delve into what DevOps and SRE entail, their key differences, the challenges solved by the respective approaches, and more.

What Is DevOps?

This development approach follows and amplifies agile and lean principles. Previous conventional development methodologies involved operations and development teams working in silos which led to a slower and unstable deployment environment. 

DevOps has solved this challenge by unifying people, practices, and tools and facilitating quick deliveries of high-quality software. The primary focus of this approach is to enable continuous deliveries with frequent releases. That said, DevOps promotes an automated approach to development and backs it up by fostering a collaborative working environment. 

Also Read: DevOps Automation – Tools, Testing, And Tactics

Benefits From the DevOps Approach

Delivering Extended Value to Customers

DevOps solutions increase the value to customers by eliminating repetitive or low-value operations and tasks. The IT staff can focus more on significant issues, resolve customer problems better, and ultimately make efficient automation a reality.

Minimizing the Cost of Production

DevOps, on the back of automation, reduces manual work and the time to market, thus, reducing the otherwise hefty operational and administration costs.

Creating a Transparent Work Environment

With a coordinated effort, DevOps provides a better understanding of software development, both from the business and technical perspectives. This transparency enables companies to make informed decisions and leverage the benefits of the latest development technologies. Further, the teams are more engaged, which increases productivity and quality.

Reducing Cycle Time

As the DevOps process is constantly going through testing, teams can fix issues as they emerge and proactively respond to the market needs. This further aids in reducing the time to market and delivering an exceptional product.

What Is SRE?

SRE (Site Reliability Engineering) is a discipline that incorporates various software development aspects and applies them to tasks and issues in IT operations. The primary objective of SRE is to develop a scalable and reliable software application. In essence, SRE provides a unique approach to the service management and lifecycle of the application with a multitude of software development aspects. In many ways, this enables and empowers the practice of DevOps by providing a robust and reliable infrastructure for continuous deployment.

Once the software is reliable, SRE shifts the efforts to creating new products or adding new features. It also focuses on automating operations, tracking results, and driving measurable performance improvements.

Challenges Solved by the SRE Approach

Toil Avoidance

Toil is the work that comes while running the production services and is usually very repetitive, manual, and has no long-term value. SRE approach minimizes the toil by identifying, measuring, and eliminating the specific processes. 

Eliminating Ineffective Monitoring

This approach ensures better monitoring and helps resolve the issues faster. It keeps the tickets, status, sources, and information in one place to minimize the operational load. 

Creating a Healthy Incident Management System

It ensures that the IT services are well-managed even in case of an outage. Along those lines, some SRE measures include implementing incident management principles, creating multiple communication channels, and ensuring that the problem is well-documented for future reference. 

Site Reliability Engineering Vs. DevOps: Key Differences

DevOps is about combining the development and operations, closing the gap between teams, and defining the overall development strategy. SRE also follows the philosophies of DevOps but with a greater focus on tracking and achieving reliability through extensive engineering and operations.

DevOpsSRE
Eliminate organizational silosShare ownership with software developers with the utilization of the same tools and techniques
Acceptance of failure is normalBalance the failures and accidents against new releases
Everything is measuredBelieves that operations can be a software problem and defines prescriptive ways like toil, uptime, availability, and outrages.

DevOps v/s SRE – Best Use Cases

Organizations can implement both approaches in isolation or in combination. DevOps focuses on “what,” and SRE concentrates more on “how.” Depending on the software development requirements and IT roadmap, the best suitable approach can be selected.

While DevOps is a means to take the existing embedded talent and organize it into logical connections, SRE is excellent for new rollout with significant control over the entire stack.

Summing Up

DevOps and SRE are the two sides of the coin and complement the philosophies, practices, tooling, and techniques of streamlined development. DevOps is more concerned about the rapid delivery of software products through the collaboration of IT operations and development. And SRE involves the application of core software engineering principles to automate and enhance the IT operation functions such as monitoring, capacity planning, and disaster response. 

Most organizations adopting DevOps look forward to implementing SRE for automation, better observability, and reliability. In the end, the goal of both approaches is to enhance the IT ecosystem – the lifecycle of an application being enhanced through DevOps and the lifecycle of operations management being enhanced through SRE. 

The bottom line is that the organizations need to analyze their specific needs, goals, and requirements to choose the best-suited DevOps & SRE solutions. Need help with that? Get a free consultation.

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