Composable Architecture

Published on
Updated on
28.2.2023 21:30

A composable architecture helps meet changing needs by giving a framework for building complex systems that is flexible and made up of smaller parts. With a composable architecture, different parts can be put together and rearranged to make new applications or services quickly and easily, without having to start from scratch and rebuild the whole system.

This kind of architecture is especially helpful when requirements are constantly changing or when you need to respond quickly to changes in the market or customer needs. By breaking a system into smaller, easier-to-manage pieces, composable architecture makes organizations more flexible and open to change.

For example, consider a software application that is used to manage customer data. Over time, new requirements may emerge, such as the need to integrate with a new CRM system or to add additional functionality. With a composable architecture, each component of the application can be updated or replaced independently without affecting the rest of the system. This allows the application to evolve while maintaining a high level of reliability and scalability.

Overall, a composable architecture can help organizations be more adaptable, innovative, and competitive by providing a framework for building complex systems that can evolve to meet changing needs.


What are the benefits of a composable architecture?

  • Flexibility: Composable architecture gives organizations a lot of flexibility and agility, so they can respond quickly to changes in the market, customer needs, or new technologies. By breaking a system into smaller parts, each part can be updated, replaced, or rearranged separately without affecting the rest of the system.
  • Scalability: Composable architecture makes it easier for companies to grow their systems by letting them add new parts or services as needed. This can help reduce costs, increase performance, and improve reliability.
  • Modularity: Composable architecture promotes modularity and reusability, allowing organizations to build systems from pre-existing components rather than having to create everything from scratch. This can help cut down on development time and costs while also making the system better and easier to keep up to date.
  • Interoperability: Composable architecture makes it easier for different parts and systems to work together. This lets organizations easily connect to third-party services or build systems that are easy to connect to other systems. This can help reduce complexity and improve overall system functionality.
  • Innovation: Composable architecture can enable organizations to be more innovative by providing a framework for experimenting with new technologies or approaches. By breaking down a system into smaller components, organizations can test and deploy new features and services quickly and efficiently without having to rebuild the entire system from scratch.


What is the difference between a composable architecture and MACH?

Composable architecture and MACH are both concepts that are used to describe modern approaches to building software systems, but there are some key differences between the two:

  • Composable architecture: Composable architecture refers to an architectural approach that emphasizes modularity, flexibility, and reusability. A composable architecture breaks a system into smaller parts that can be combined and rearranged to make new applications or services quickly and easily. This approach enables organizations to respond quickly to changing market conditions, customer needs, or new technologies, and promotes scalability, interoperability, and innovation.
  • MACH: MACH is an acronym that stands for Microservices, API-first, Cloud-native, and Headless. It describes a set of architectural principles that emphasize the use of microservices, APIs, cloud-native technologies, and headless architectures. The goal of MACH is to create software systems that are agile, flexible, and scalable, and that can be easily integrated with other systems.

While composable architecture and MACH share some similarities, such as a focus on modularity and flexibility, they are not the same thing. Composable architecture is a more general approach to architecture that can be used with many different technologies and systems. MACH, on the other hand, is a more specific set of principles that emphasizes the use of certain technologies and methods.

What is the difference between Best-of-breed and Bests-of-suite?

“Best-of-breed” and “best-of-suite” are two different approaches to selecting software applications for an organization.

  • Best-of-breed: In this method, an organization chooses the best software application for each business process or function. For example, an organization might select different software for accounting, managing human resources, and managing relationships with customers. The benefit of this method is that each application is usually very specialized and offers the best functionality in its class. On the other hand, it can be harder to connect and manage many applications.
  • Best-of-suite: With this method, a company decides on a complete software suite that has all the features it needs to run its business. For example, an organization may choose an enterprise resource planning (ERP) suite that includes modules for accounting, HR management, and customer relationship management. One benefit of this method is that it can be easier to manage and integrate a single suite of software. However, the downside is that the individual modules may not be as specialized or best-in-class as they would be in a best-of-breed approach.

Overall, the choice between best-of-breed and best-of-suite depends on an organization's specific needs, goals, and resources. Best-of-breed may be a better fit for organizations with complex or specialized business processes, while best-of-suite may be a better fit for organizations looking for a more unified approach.


Composable architecture is a new way to build software systems that puts an emphasis on being modular, flexible, and able to be used more than once. This architectural approach has a lot of benefits, such as more flexibility, scalability, and interoperability, which makes it a good choice for companies that want to respond quickly to changes in the market, customer needs, or new technologies. By breaking down a system into smaller components, composable architecture allows for greater agility and innovation, while promoting modularity, reusability, and interoperability. As software systems continue to become more complex and dynamic, composable architecture is likely to become an increasingly important trend in software development.

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