A hacm (hierarchical aggregation and clustering of microservices) is a software development methodology that uses a microservices architecture to build large, scalable applications. It is based on the principle of divide and conquer, in which an application is divided into smaller parts that can be independently developed, deployed, and scaled.
The hacm approach was first proposed by Dr. Peter Hintjens in his book “Building Microservices” (O’Reilly, 2015). since then, it has been adopted by many companies and organizations to build large-scale applications.
A typical hacm application is composed of hundreds or even thousands of microservices. Each microservice has a well-defined interface and is responsible for a specific task. Microservices are typically deployed on separate servers or containers and communicate with each other through APIs.
The benefits of using a hacm approach include:
• Increased flexibility: Since each microservice can be developed independently, changes can be made to individual services without affecting the entire system. This makes it easier to add new features or make changes to existing ones.
• improved scalability: When an application needs to scale up, additional instances of only the affected microservices need to be added—there’s no need to deploy more resources for the entire system. This makes it easier and cheaper to scale an application horizontally.
• better fault tolerance: If one microservice goes down, the others can continue running normally because they are independent of each other. This makes it easier to recover from failures and maintain high availability levels.”