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Microservices vs. Serverless: Which One Should You Use?

Both Microservices and Serverless are two astonishing architectural styles. Both architectures help a firm rapidly develop and deploy its apps. Furthermore, both architectures come with lots of amazing features and can provide many advantages to a firm. But which architecture should you use? Which architecture provides more advantages to its users? So, today we are going to learn about Serverless and Microservices architecture in-depth and try to find answers to the above two questions.

Here’s everything that you need to know about Microservices and Serverless architecture.

What Are Microservices?

It is an architectural style in which an app is built as a collection of independent services or autonomous components. In this architecture, a single component executes only a single process. Each component has its own database, libraries, and templates that enable it to run independently. This is the main reason why Microservices architecture is very popular among developers.

In this architecture, the development team clearly defines the dependencies between each component. After that, the development team assigns these components to various teams for development/maintenance. Furthermore, in this architecture, the testing of each component is done independently. Moreover, the architecture ensures that other components don’t stop working even if one component fails. This makes the process of fixing and redeploying services a lot easier for developers.

Benefits

  • Empowers its users to independently develop/test/deploy services without affecting the functioning of the parent app. To learn how to test/deploy services in this architecture, feel free to join the Microservices Online Training in India.
  • Makes it easier for a developer to isolate and fix faults within a big and complex app.
  • Enables its users to quickly scale up their apps by adding new services to them without affecting the performance/functioning of the parent app.
  • Gives its users freedom to use different technologies for developing components/services.
  • Improves agility and encourages quicker development/issue resolution, etc.

Disadvantages

  • The complexity of the app increases as you split it into autonomous components.
  • It may increase the burden of the development team as it has to manage multiple databases. Besides this, they also have to monitor each component constantly.
  • Microservices are more prone to security attacks.
  • It requires lots of computing resources which can be very expensive for an organization.
  • Not ideal for small companies, etc.

What Is Serverless?

It is a stupendous cloud-computing model that enables a developer to develop/run apps without maintaining a physical server. In other words, an organization doesn’t have to invest its money in purchasing/maintaining a physical server for running its app. Instead, it relies on the services of a cloud provider for running its app. 

Benefits

  • Allow a firm to focus on developing quality apps without worrying about developing necessary infrastructure.
  • It helps the firm save lots of time and money.
  • Ideal for small companies.
  • Helps in reducing database costs. 
  • Management of computing resources is the responsibility of the cloud provider. 

Disadvantages

  • Requires commitment to long-term contracts.
  • It might be challenging for a firm to migrate to another cloud provider.
  • You may face performance issues if you use the services of a multi-tenant Serverless platform.
  • You may have to cold-start your app if it has been inactive for a long period of time.

Which Architecture Should You Use?

Both Microservices and Serverless architectures offer their users lots of advantages and disadvantages. This makes it very difficult to say which architecture is better than the other. But ultimately, it all depends upon your requirements and business goals. For example, if your goal is to save money and deploy your apps quickly, then you must use Serverless architecture. On the other hand, if you want to build large and complex apps, then you must use Microservices architecture. Moreover, Microservices architecture is also more mature in comparison to Serverless architecture. To learn about these architectures in detail, feel free to join the Microservices Course in Gurgaon.

Conclusion

Now you are aware of the benefits, disadvantages, and differences between both architectures. So, make sure you keep all this in mind while selecting any of these architectures for your apps. Moreover, you must also keep your goals and requirements in your mind while selecting an architecture for your apps. This will ensure that you don’t end up using an architectural style that does not satisfy your requirements.

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