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Advantages of Microservices Architecture
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Examples and Advantages of Microservices Architecture

Ever since digitalization has taken over, enterprises are constantly in the race to deliver seamless, end-to-end services to customers. Therefore, business agility has become one of the core objectives for enterprises of all verticals. In this context, application architectures are seemingly shifting to flexible and scalable microservices. Corporate giants like Amazon and Netflix have migrated from the traditional monolithic architecture models and leveraged the benefits & advantages of Microservices architecture.

A survey report by Orielly(2020)  states that almost 28% of the respondents have been using microservices for at least three years and around 61% of them are using the architecture for at least one year.

Why Are Businesses Deploying Applications With Microservices Architecture?

Microservices architecture is a business-driven, service-specific application development technology that is based on the modularization of software systems. It encompasses various service modules all of which are loosely coupled to each other to form a software application.

This is in contrast to the conventional monolithic architecture where different services included in a single application are highly interdependent and tightly coupled. In monolithic architecture, the interdependency of services makes it difficult to scale a part of a system without disturbing the whole software ecosystem.

The microservices architecture advantages helps enterprises overcome these drawbacks. It essentially breaks the monolith architecture into modules of independent services, making them faster to deploy and develop.

Microservices Architecture-Advantages

Microservices architecture help enterprises in achieving ultimate customer satisfaction through uninterrupted and glitch-free software in the following ways:

  • Improves Scalability: As microservice is made of modules it is easy to scale up or down the services as per the requirement of the hour. For example, if there is a decrease in demand for a particular microservice, the resources related to the same can be altered without disrupting other microservices.
  • Enables easy fault isolation: The advantage of microservice over monolithic during a fault is that since each microservice is loosely coupled, it is easy to isolate the faulty service. It not only saves the application from shutting down completely but also helps the developers work easily to fix the same.
  • Adds flexibility to upscale to any programming language: Each microservice can be written in a different programming language depending on its use case. This means it is easy to upgrade the service to a different code without changing the language of the entire application.
  • Reduces time to market: As individual groups are working behind each of the services, the time taken to develop and deploy is considerably reduced.
  • Improves business agility: It is the most important microservice architecture advantage as it reduces the risk associated with trying out new features to the application. The microservices architecture also supports DevOps technology that further helps in improving the overall business agility.

Why should you use Microservices - Advantages

Microservices Architecture- Examples

  • Amazon: Amazon’s success story of becoming the world’s largest eCommerce website is incomplete without the mention of its microservices adoption. Back in 2001, the online retail store was structured with tightly coupled components placed in multiple tiers. It essentially behaved like a giant monolithic structure. As the company grew, so did the software and the associated coding and development challenges.
    The company then chalked out a service-oriented architecture, for which, each development team was assigned full authority of an independent service. Developers pulled out the codes to single out services. The independent services were then wrapped in a web-surface interface to create a loosely coupled architecture.
  • Netflix :  In 2008, Netflix encountered a three-day service failure. It was apparently due to an unexpected increase in demands on its servers. The video-streaming company was built on a monolithic architecture and lacked the scalability to handle an increase in demand. Therefore, to overcome this, it refactored its architecture to a horizontally-scalable, distributed system of microservices that runs on Amazon AWS cloud servers.

Conclusion

As per Statista 2021 survey, around 85% of the respondents who belonged to large enterprises stated that their company is currently using microservices. This is because microservices not only offer horizontal scalability but also enable developers to deploy codes faster. Therefore, microservices are the future, especially for the large organizations with complex software service requirements.

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