The problem with Monoliths
Monolithic systems are often the product of many new features added over several years resulting in a complex and tightly coupled system that is difficult to modify or maintain. They lack modern architecture and design principles which further exacerbate the problem, limiting their agility, scalability, and ability to modernise.
The solution? Break them down!
Breaking down a monolith involves breaking the large, complex, legacy application into smaller, more manageable, independent components. The process involves iteratively identifying functions of the application that can be separated into smaller, loosely-coupled microservices. These new services will then communicate with each other through APIs, allowing them to function as a cohesive system whilst improving maintainability, speed, stability, and flexibility to further enhance.
The key benefits of breaking down a monolith into microservices include the following:
Improved scalability: Microservices can be scaled up or down independently, allowing you to allocate resources more efficiently and reduce costs.
Increased agility: Microservices can be developed, tested, and deployed independently, allowing you to make changes quickly and efficiently.
Better fault isolation: When an issue occurs in a monolithic application, it can impact the entire system. With microservices, issues are isolated to individual services, making identifying and fixing problems easier.
Improved reliability: Microservices can be deployed across multiple servers, reducing the risk of a single point of failure.
Enhanced developer productivity: Developers can work on smaller, more manageable services, allowing them to focus on specific areas of the application and improve productivity.
More often than not, companies operating legacy Monolithic systems will face problems as the requirements to upgrade and adopt new technologies becomes increasingly important to stay competitive in an increasingly digital environment. The sooner you start the move towards a leaner architecture, the quicker you will be able to take advantage of the latest cloud technologies that can deliver exponentially enhanced levels of efficiency, automation, functionality, analysis and productivity.
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