Chained Microservices Design Pattern Short Tutorial with Examples for Beginners

In this video we will learn about Chained Microservices design pattern. This is the 5th design principle in Integration design patterns category for microservices.

Chained microservice design pattern the request from the client is received by Service A, which is then communicating with Service B, which in turn may be communicating with Service C. Chained microservice design pattern produce a single consolidated response to the request.

A chain with a single microservice is called singleton chain. This may allow the chain to be expanded at a later point. Chained microservice Design Patterns produces a single output which is a combination of multiple chained outputs.

** Usage of this Design Pattern **
1. Use this pattern to achieve loose coupling where a request from the client is passed to a chained microservices.
2. Use this pattern when Multiple services have to handle a request.
3. Use this pattern When you want to issue a request to one of several services without specifying the receiver explicitly.

** Advantages of this Design Pattern **
1. Chained microservices pattern avoid coupling the sender of a request to multiple services.
2. Chained microservices pattern simplifies the request and response for client to make call to only one service.
3. Chained microservices pattern support single responsibility principle to make sure each service is doing their job and request is passed to respective service in the chain.
4. It is easy to add new microservice in chain if requires in future.

** Topics Covered **
1. Introduction to Chained Microservices design pattern
2. Agenda of this video
3. Understanding Chained Microservices design pattern
4. Real world examples of Chained Microservices design pattern
5. Usage of Chained Microservices design pattern
6. Advantages of Chained Microservices design pattern
7. Summary of Chained Microservices design pattern
8. Next video on Chained Microservice design pattern

#microservices #chainedmicroservices #designpatterns

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