Benefits of Microservice Applications in a Cloud Environment

D.

Microservice architecture is a software development approach that involves breaking down large monolithic applications into smaller, independent services that can be deployed and scaled independently. In a cloud environment, microservices offer several benefits, including:

C. The architecture of microservice applications allows the use of auto-scaling: Microservice architecture allows applications to be divided into smaller, independent services. This means that each service can be scaled independently, based on its specific needs, without affecting other services. Cloud environments provide auto-scaling capabilities, which enable resources to be automatically provisioned or de-provisioned based on demand. With microservices, auto-scaling can be done at a more granular level, which means that only the services that need to be scaled are scaled, rather than scaling the entire application. This can lead to better resource utilization and cost savings.

A. Microservices are dependent on external shared databases found on cloud solutions: Microservices communicate with each other using lightweight protocols such as HTTP or REST. In a cloud environment, these services can be deployed on different virtual machines or containers, which means they may need to access shared resources, such as databases or message queues. Cloud providers offer a range of database solutions, such as Amazon RDS or Microsoft Azure SQL, which can be used by microservices. By using shared databases, microservices can avoid data duplication and ensure data consistency across services.

D. Microservice applications use orchestration solutions to update components in each service: In a microservice architecture, each service is responsible for its own functionality. This means that services can be updated and deployed independently of each other. However, this also means that there can be multiple versions of each service running at the same time. To manage this complexity, microservices often use orchestration tools, such as Kubernetes or Docker Swarm, which can help deploy, manage and monitor multiple instances of services. Orchestration solutions also enable zero-downtime updates, which means that new versions of services can be rolled out without affecting the availability of the application.

B. Federation is a mandatory component for an optimized microservice deployment: Federation is a term used to describe the process of combining multiple services into a single, unified application. While federation can be used in a microservice architecture, it is not a mandatory component. In fact, microservices are designed to be independent and loosely coupled, which means that they can be deployed and scaled independently of each other. In a federated architecture, services may be tightly coupled, which can make them harder to manage and scale. Instead, microservices are designed to work together through lightweight protocols and APIs, rather than through complex integration layers.

In summary, the benefit of microservices in a cloud environment is that they allow for granular auto-scaling, reduce data duplication through shared resources, enable independent updates through orchestration solutions, and promote loose coupling through lightweight protocols and APIs.