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Breaking Down DevOps: Microservices vs Monolithic Architectures

Blog: Good eLearning

With so many businesses going on about DevOps and what it can accomplish, it can be easy to forget just how expansive the methodology actually is. Several potential tools and tasks can go into a successful DevOps pipeline, to the point that very few DevOps cultures are exactly identical.

That being said, there are certainly common elements to DevOps, one of the most important of which is ‘Continuous Deployability’. The modern marketplace demands regular updates even from non-customer-facing services, with many companies releasing several batches of code per day. Without continuous deployability, services will typically lose their competitive edge.

Despite advances like infrastructure as code and cloud storage making delivery targets more achievable, many businesses still struggle. One of the most common reasons is that, despite utilizing DevOps, the organization’s services are not structured in a way that supports the priorities of its coders.

One of the most common questions that pops up when considering application structure is whether to go with a ‘monolithic architecture’ or ‘microservices’. The DevOps methodology can work with either, but both choices certainly have their share of pros and cons.

What is a monolithic architecture?

Monolithic architectures have been around for longer and are built to last. Their characteristics include:


What is a microservice?

When we talk about ‘microservices’, we are referring to architectures that operate as a collection of services:

Monolithic architectures vs Microservices

In terms of modern IT, microservices may seem like the obvious choice. While they are typically more complicated in terms of structure, they are also easier to manage and update, which appears to suit the current market to a tee. 

However, microservices are not always the best choice. In some cases, monolithic architectures offer a sturdier and simpler approach perfectly suited to getting the job done. It is also worth remembering that not all architectures require a modular approach, even if frequent testing, changes, and deployment are necessary.

The answer to which architecture type is better will often come down to the size and complexity of the application or business in question. Will continuous evolution be required during the development process and beyond? How large will the team managing the application be? 

The best approach will always be to consult an experienced DevOps engineer. However, there are certainly a number of pros and cons to keep in mind.

Pros and cons of monolithic architectures:




Pros and cons of microservice architectures



Should I choose monolithic architectures or microservices?

As we mentioned previously, the choice of whether a monolithic or microservice approach will best suit you will inevitably depend on what your situation is and what you want to accomplish. 

A monolithic architecture is best for simple services managed by tiny teams. Size creates complexity, and when your system only needs to facilitate simple business goals and requirements, the agility of a microservice may be irrelevant. It is also worth mentioning that, despite the title, ‘monolithic’ architectures can usually be developed efficiently and painlessly when an application needs to be launched as quickly as possible. Finally, while microservices offer more than their share of benefits, attempting to create and manage one without the necessary expertise will quickly lead to frustration.

A microservice will typically be the better choice when an application not only needs to serve a variety of purposes, but will also need to scale and evolve in the future. With the right management and DevOps expertise, along with the relevant engineering skills, a microservice will be easier to scale, repair, and improve as part of a continuous process.

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The post Breaking Down DevOps: Microservices vs Monolithic Architectures first appeared on Good e-Learning Blog.

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