Branch Design Pattern for Microservices with Examples for Software Programmers

In this video we will learn about Branch design pattern for microservices. This is the 6th design principle in Integration design patterns category for microservices.?

?Branch microservice pattern is the extended version of aggregator pattern and chain pattern. In this design pattern, the client can directly communicate with the service. Also, one service can communicate with more than one services at a time. Branch microservice design pattern in which you can simultaneously process the requests and responses from?two or more independent microservices.

** Branch Design Pattern Vs Chained Microservice Design Pattern **

Main difference between the chained pattern and the branch pattern is the calling of different microservice chains simultaneously in Branch design pattern. So, unlike the chained design pattern, the request is not passed in a sequence, but the request is passed to two or more mutually exclusive microservices chains. This design pattern extends the Aggregator design pattern and provides the flexibility to produce responses from multiple chains or single chain.

** Usage of this Design Pattern **

1.????Use this pattern to achieve loose coupling where a request from the client is passed to a Branch.

2.????Use this pattern when Multiple services have to handle a request.

3.????Use this pattern whenever one service needs output of another service as dependency and client can call any service.

4.????Use this pattern whenever to make parallel calls to multiple services or chained services.

** Advantages of this Design Pattern **

1.????Branch pattern avoid coupling between sender of a request to multiple services.

2.????Branch pattern simplifies the request and response for client to make call to either one service or multiple services simultaneously.

3.????Branch pattern support single responsibility principle to make sure each service is doing their job.

4.????It is easy to add new microservice in chain if requires in future.

** Topics Covered **

1.????Introduction to Branch design pattern

2.????Agenda of this video

3.????Real world examples of Branch design pattern

4.????Usage of Branch design pattern

5.????Advantages of Branch design pattern

6.????Summary of Branch design pattern

7.????Next video on Client Side UI Composition design pattern

** Chapter Timestamps **

0:00 Welcome to Branch design pattern

0:46 Agenda of tutorial

1:58 Introduction of Branch design pattern

3:09 Real world examples of Branch design pattern

4:16 Usage of Branch design pattern

4:50 Advantages of Branch design pattern

5:20 Summary of Branch design pattern

5:59 Next video on Client-Side UI Composition design pattern for microservices

#microservices #branchdesignpattern #designpatterns

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