Salesforce Microservices

1. What is Microservice?

• Microservice is self contained process that provides unique business capability.
• Microservice is responsible for its own data model and data
• Microservice communicate each other through REST/Messaging Queue

2. Microservice Architecture?

Note: This architecture mainly used by E-Commerce application

Ex: Amazon

3. Monolithic Architecture?

Monolithic Architecture is like a big container where in all the software components of an application are assembled together and tightly packaged.

Drawbacks : Over time,Coupling becomes tighter and tighter

Note: Still many company's are using this architecture

Ex: Facebook

4. What are the Pros And Cons Microservice Architecture?

SNO	Pros	Cons
1	Loosely coupled	Distributing computing adds complexity and slows down initial development
2	Decoupling to provide scaling	Inter-service communication complicates development,Potentially unreliable connections require fault tolerance
3	Language Neutral - Can be written in any language and framework ,Each can be communicated with REST/Messaging queue	Testing can be more complicated,When needs to test entire enterprise application
4	Independent Development & Deployment	Inter-service security & Identity Management
5	Scalable
6	Updatable
7	Fault Isolation - [Even though other connected service is having issue the current service will not break]

5. Salesforce Sales/ Service Cloud built on Microservice Architecture?

No,But Salesforce supports connecting to Microservices built on other technology and can built custom Microservice using APEX

6. Companies using Microservices ?

7. References :

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