Soa Principles Of Service Design By Thomas Erl Pdf Download: A Comprehensive Guide to the Service-Or

This is a collection of comprehensive tutorials that teaches fundamental and advanced SOA design principles, supplemented with detailed case studies and technologies used to implement SOAs in the real world.

Microservices are a popular software design architecture that breaks apart monolithic systems. A microservice application is built as a collection of loosely coupled services. Each microservice is responsible for a single feature. They interact with each other via communication protocols such as HTTP.

Soa Principles Of Service Design By Thomas Erl Pdf Download

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Microservices follow similar principles to the Service-Oriented Architecture (SOA) software design methodology. SOA has no official standards, but the de facto principles are defined in the book SOA: Principles of Service Design, authored by Thomas Erl.

Although SOA and microservices follow similar principles, their relationship is debatable. Some developers emphasize their similarities and consider microservices as a subtype of SOA. Others stress their differences and claim that each solves a different set of problems.

However, the microservices software design methodology assigns developers to cross-functional teams where each team develops one or more microservices, and each microservice is developed and maintained by just one team from start to finish. This approach also requires a cross-functional skill set within the team.

Cross-functional teams are responsible for the entire lifecycle of a microservice, which includes everything from UX design to frontend and backend development to the deployment and maintenance of the service.

A well-designed microservice architecture keeps the messaging system as simple as possible and avoids smart pipes (e.g. the use of an Enterprise Service Bus) because these solutions create more or less centralized systems, which can lead to accidental monoliths.

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