Why Use A Microservices Architecture

Posted by Bruce Steele

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Oct 31, 2018 12:52:06 PM

Why Use A Microservices Architecture

Why Should Your Company Use a Microservices Architecture?

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Many organizations adopting microservices decide that monolithic, all-in-one software environments no longer fit the way they work. Over time, these legacy systems can become difficult and expensive to manage. They sometimes provide functionality hardly anybody uses. It might take staggering resources to adapt them to enable the rapid innovation and digital processes that companies want to realize. Neither are all monoliths able to draw on the computing power and scalability of the cloud.

Microservices can provide a huge return for your innovation efforts and yield desirable business outcomes rapidly. You can get your microservices initiative going in the right direction by making sound decisions and taking one well-planned step at a time, starting with the needed infrastructures and processes.

To transition away from monolithic legacy software, organizations create and implement microservices to gain just the functionality they need, and evolve it in the cloud. That means conceptually and technically decoupling large application suites into distinct services, which can be created, tested, deployed, and provisioned to users one at a time. See our microservices service page for a thorough explanation of creating and deploying microservices. 

Advantages of using a microservices architecture:

  • Speed: Microservices can help you get software functionality to internal and external customers faster, generating revenue and improving productivity. The modular approach of microservices replaces the application suite with a portfolio of components that can be built by different teams working in a concerted manner. Microservices can be prioritized by business requirements and truly begin showing their value when you perform continuous integration and continuous deployment (CI/CD) to keep your code aligned and connected, and get new capabilities to customers or users quickly. By adopting a microservices approach, an organization may find it easier to respond to fast-changing business needs and deliver the best possible customer and user experiences.
  • Scale: Monolithic applications may scale effectively to increasing numbers of transactions, but tend to become problematic when they cannot accommodate growing data volumes with the same ease. Development efforts may then find it hard to keep up. You probably need to create a very large team that can be difficult to coordinate and manage, whereas specialized, well-orchestrated teams in a microservices practice can be faster and more efficient. The flexibility of using different development tools and underlying technologies in monolithic environments tends to be limited, because it is often too difficult or risky to change them.
  • Flexibility: Microservices are polyglot or language-agnostic, meaning you have a choice of which development language you use. Sometimes, working with multiple languages can make it possible to realize functionality in a more powerful or efficient manner.

Microservices can have significant advantages over monolithic applications. However, it takes a strategic effort and the right company processes and culture to decouple application functions, prioritize them, and incorporate them into a framework that can help you structure and maintain the creative process that ensues. Download our Whitepaper to find out how Agile and DevOps is critical for making your microservices transition a success.

If you are interested in learning more about microservices please download our 11 page white paper "Making Microservices Work for Your Organization." 


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