# microservices

> collection of loosely coupled services used to build computer applications

**Wikidata**: [Q18344624](https://www.wikidata.org/wiki/Q18344624)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Microservices)  
**Source**: https://4ort.xyz/entity/microservices

## Summary
Microservices is an architectural pattern in software design that structures applications as a collection of loosely coupled services. It is a specialized form of service-oriented architecture (SOA) where each service is independently deployable and scalable, enabling modular development and easier maintenance.

## Key Facts
- **Instance of**: Architectural pattern
- **Subclass of**: Service-oriented architecture (SOA) and service
- **Aliases**: Microservice architecture, マイクロサービスアーキテクチャ
- **Wikidata ID**: Microservice-W64EZX
- **Wikipedia title**: Microservices
- **Wikipedia languages**: Available in 11 languages (bn, ca, cs, de, en, es, et, eu, fa, fi)
- **Stack Exchange tags**: Linked to microservices discussions on Stack Overflow and Software Engineering Stack Exchange
- **Different from**: Microservice (distinct from the singular term)
- **Zhihu topic ID**: 20023491 (with qualifier "微服务架构")

## FAQs
### Q: What is the difference between microservices and service-oriented architecture (SOA)?
A: Microservices is a specialized form of SOA where services are more granular, independently deployable, and loosely coupled. While SOA focuses on service reusability across large applications, microservices emphasize modularity and scalability at a finer level.

### Q: How do microservices improve application development?
A: Microservices allow teams to develop, deploy, and scale services independently, reducing dependencies and enabling faster iteration. Each service can be built using different technologies, making it easier to adopt new tools or frameworks.

### Q: What are the challenges of using microservices?
A: Microservices introduce complexity in managing distributed systems, requiring robust orchestration, monitoring, and inter-service communication. Teams must also handle data consistency and ensure security across multiple services.

## Why It Matters
Microservices revolutionized modern software development by addressing the limitations of monolithic architectures. By breaking applications into smaller, independent services, microservices enable teams to scale, deploy, and maintain systems more efficiently. This approach aligns with DevOps principles, allowing for continuous integration and delivery. However, it demands a shift in organizational culture and infrastructure, as teams must adopt agile practices and invest in tools for service orchestration and monitoring. The pattern is particularly valuable in cloud-native environments, where scalability and resilience are critical.

## Notable For
- **Specialization of SOA**: Microservices refines SOA by focusing on fine-grained, independently deployable services.
- **Modularity**: Each service operates as an autonomous unit, simplifying updates and maintenance.
- **Scalability**: Services can be scaled independently based on demand, optimizing resource usage.
- **Technology Flexibility**: Different services can use different programming languages or frameworks.
- **Widespread Adoption**: Supported by platforms like Kubernetes and tools like Docker, microservices are a cornerstone of cloud-native development.

## Body
### Definition and Scope
Microservices is an architectural style where applications are composed of small, loosely coupled services. Each service is independently deployable and scalable, communicating via lightweight protocols like HTTP/REST or messaging queues.

### Relationships
- **Parent Class**: Service-oriented architecture (SOA)
- **Subclasses**: Service, architectural pattern
- **Distinct from**: The singular term "Microservice," which refers to individual components within the architecture.

### Identification and Classification
- **Wikidata**: Recognized as an architectural pattern with a unique identifier (Microservice-W64EZX).
- **Wikipedia**: Documented across multiple languages, indicating broad recognition.
- **Stack Exchange**: Actively discussed in developer communities, reflecting its relevance in software engineering.

### Challenges and Considerations
- **Complexity**: Managing inter-service communication, data consistency, and deployment orchestration.
- **Operational Overhead**: Requires robust monitoring, logging, and security measures across distributed services.
- **Organizational Impact**: Demands cultural shifts toward agile development and DevOps practices.

### Adoption and Tools
- **Platform Support**: Widely supported by containerization tools like Docker and orchestration platforms like Kubernetes.
- **Community Engagement**: Actively discussed on platforms like Quora and GitHub, indicating strong developer interest.

Microservices remains a defining approach in modern software architecture, balancing flexibility with the challenges of distributed systems.

## References

1. Quora
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)