Service-Oriented Architecture pattern

[iluwatar]

Introduce the Service-Oriented Architecture (SOA) pattern to enhance modular service interaction.

Service-Oriented Architecture (SOA) is a design pattern where services are provided to other components by application components, through a communication protocol over a network. Here are the main points to consider when implementing SOA:

1. Loose Coupling: Services should be designed in such a way that they can operate independently without knowledge of the definitions of other services. This allows for easier maintenance and scalability.

2. Service Abstraction: Services hide the logic behind the service interface and only expose operations that are useful to the service consumer. This keeps the complexity of the system hidden from the end user.

3. Service Reusability: Services are designed to be reused for different purposes across different parts of an application or even across different applications. This maximizes the usefulness of a service and reduces redundancy.

4. Interoperability: Services must be designed to operate with other services in different systems or architectural frameworks, typically using standard protocols and formats.

5. Scalability: SOA allows for services to be scaled independently, so that the system can respond to increasing loads by scaling only the necessary components.

6. Statelessness: Services ideally should not maintain a state but should handle every request as an independent transaction, which can be scaled and recovered, thereby increasing reliability.

7. Discoverability: Services should be designed so that they can be discovered through standard mechanisms, which makes it easy to find and bind to these services in a distributed network.

8. Security: Since services are exposed over a network, implementing robust security measures to secure communication and data access is essential.

Implementing SOA typically involves setting up a service registry, defining service interfaces, ensuring security protocols are in place, and creating middleware that can handle service communication efficiently. Each service functions as a discrete unit of functionality that can be updated independently without impacting other components, facilitating a flexible, adaptable software environment.

Acceptance Criteria:

• Implementation follows the guidelines given above.
• Implementation follows the contributions instructions at https://github.com/iluwatar/java-design-patterns/wiki/01.-How-to-contribute

[romannimets]

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