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Monolithic architecture:
Monolithic architecture is a traditional software design pattern where an application is built as a single, unified codebase or software module. In this architecture, all components, modules, and functions of the application are tightly integrated and interdependent, typically residing within a single codebase and executable.
Key characteristics of a monolithic architecture include:
Single Codebase: The entire application is developed, deployed, and managed as a single codebase. This simplifies development and version control.
Tight Coupling: Components within the application are tightly coupled, meaning changes to one part of the application can potentially impact other parts.
Shared Memory Space: In many cases, all components of the application share the same memory space, allowing for easy communication and data sharing.
Simplified Deployment: Since the application is a single unit, deployment is relatively straightforward compared to more complex architectures.
Scalability Challenges: Monolithic architectures can face scalability challenges as the application grows, since scaling typically involves replicating the entire application, even if only specific components require more resources.
Technology Stack: The entire application uses a single technology stack, making it easier to manage from a technological standpoint.
Development and Testing: Development and testing processes are streamlined because of the cohesive nature of the application.
While monolithic architecture has been widely used for decades, it does have some limitations, particularly as applications become larger and more complex:
Limited Scalability: As mentioned earlier, monolithic applications can be challenging to scale, especially when specific components require more resources than others.
Maintainability: As an application grows, maintaining and updating it can become difficult due to the tight coupling of components. A change in one area could lead to unintended consequences in other parts of the application.
Flexibility and Agility: Monolithic architectures can hinder the ability to adopt new technologies or make changes quickly, as changes need to be made across the entire codebase.
Risk of Downtime: Updates or changes to the application can potentially cause downtime, as the entire application needs to be redeployed.
Team Collaboration: Large development teams might find it harder to work collaboratively on a monolithic codebase, leading to bottlenecks in development and testing.
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