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Monolith To Microservices: Scalable Application Architectures

January 5, 2022
Monolith To Microservices: Scalable Application Architectures

Don't get stuck trying to integrate new technologies with your old legacy applications - building for scalability from the beginning by leveraging microservices helps avoid this common pitfall of traditional monolithic development architectures.


Monolithic vs Microservices: What's The Difference?

Understanding the difference between monolithic and microservice architectures is key in planning how you build your website or application to scale for the future.

A monolithic architecture can be described as a website or application built as a single unit, typically consisting of a database, server-side application to handle requests and retrieve/update data from the database, and a client-side interface that users can interact with. It is a single logical executable wherein a developer must build and deploy an updated version of the server-side application every time changers are made within the system.

A microservice architecture however makes use of multiple SaaS (software as a service) and API's (application programming interface) wherein the functionality of these services are totally decoupled from the user interface and the database, yet still allow them to interact. In contrast to a monolithic structure where services are built on top of each other and bound together, a microservice architecture is essentially a set of independent services that are developed, deployed and maintained separately from each other, allowing each piece to be managed without adversely affecting the others.

Benefits Of A Microservice Architecture

While monolithic architectures can have their purpose in software development, they typically experience a multitude of issues, including:

  • Evolving beyond a manageable means leaving developers lost in trying to understand the entirety of the application
  • Limited reusability of application components
  • Challenges in scaling due to coupled infrastructure
  • Difficulty in achieving operational agility

Microservice architectures however, through the use of cloud deployment technologies, API management tools and integration technologies, provide a different approach to development that has many advantages, including:

  • Encouragement of services to be small to improve manageability
  • Microservices can be consumed and reused by other services and applications regardless of language bindings or component libraries
  • Services exist independently and can be scaled independently of other services

One of the tradeoffs to be considered is often the complexity in managing the multitude of services that can make up a microservice architecture, however modern development methodologies have made easy work of this, providing additional API's the federate or unify application microservices under one management tool. Using these tools in conjunction with modern, agile development operations, services can be independently managed without concern for breaking site or application functionality.

Save Money When Scaling

By building your application or website using a microservice architecture, you can actually save a substantial amount when future growth necessitates scaling of your operations. At Adrenalize Digital, we're experts in building scalable websites, mobile and desktop applications that leverage the flexibility of microservice architectures to save you money both now and in the future. Contact us today to find out more about how we can help you build for the future!

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