What exactly is service-oriented architecture?
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A Thread π§΅π
Service-oriented architecture (SOA) is a software architectural style that structures an application by breaking it down into multiple components called services.
In SOA applications, each service is independent and provides its own business purposes but can communicate with others across various platforms and languages.
π Benefits of SOA
With SOA, developers can reuse services in different systems. This means less time spent developing and faster time to market.
It is also easier to scale and improve individual services. Modifying one service will not affect the whole application.
With SOA, developers can reuse services in different systems. This means less time spent developing and faster time to market.
It is also easier to scale and improve individual services. Modifying one service will not affect the whole application.
π Principles of SOA
1. Loose coupling - Each service should have a low dependency on external resources. They should also be stateless and not retain any data from past sessions.
1. Loose coupling - Each service should have a low dependency on external resources. They should also be stateless and not retain any data from past sessions.
2. Interoperability - Any client should be able to run a service regardless of the underlying platform and programming language being used.
3. Reusability - Needs of the application are divided into services with the aim of maximizing reusability.
3. Reusability - Needs of the application are divided into services with the aim of maximizing reusability.
4. Abstraction - Clients do not need to know a serviceβs underlying technology or code. Each service hides its logic, and clients get any information they need from service documents or contacts.
π How does SOA work?
Services communicate using standardized protocols to transmit data over a network in a request and response format. Commonly one or more of the following is used:
1. SOAP
2. RESTful HTTP
3. Apache Thrift
Services communicate using standardized protocols to transmit data over a network in a request and response format. Commonly one or more of the following is used:
1. SOAP
2. RESTful HTTP
3. Apache Thrift
SOA also uses a centralized service called an Enterprise Service Bus (ESB), which establishes communication between services and consumers regardless of the technology used.
In short, it acts as a routing service that sends requests to the appropriate service. ESBs can also transform requests into an appropriate format for the underlying platform of a service.
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