Tuesday, June 25, 2019

What are Microservices?-Azure

Ref: https://docs.microsoft.com/en-us/azure/architecture/microservices/

Microservices are a popular architectural style for building applications that are resilient, highly scalable, independently deployable, and able to evolve quickly. 

Microservices are a software architecture style in which applications are composed of small, independent modules that communicate with each other using well-defined API contracts. These service modules are highly decoupled building blocks that are small enough to implement a single functionality.

The purpose of microservices architectures is to make it easier to develop and scale applications. Microservice architectures foster collaboration between autonomous teams and enable them to bring new functionalities to market faster.


Why use microservices?

Build services independently

Microservices-based applications are built as a collection of highly decoupled services that handle a single action. Teams can independently build, verify, deploy and monitor each service.

Scale services autonomously

Independent services can be scaled based on their respective demands without impacting the overall performance, rather than scaling the entire app up or down.

Use the best approach

Development teams gain the flexibility to use the best deployment approach, language, platform and programming model for each service.

Isolate points of failure

By isolating potential problem areas to individual services, microservices architectures improve security and reliability. Services can be replaced or retired without affecting the overall structure.

Deliver value faster

Teams can deploy small, independent modules quickly. Several teams can work on different services at the same time and put new features into production faster.

Advantage with microservices in Azure

Simplify your application lifecycle

Boost agility and collaboration and reduce time to market by using Azure managed services and development tools.

Rely on a trusted platform

Develop secure and reliable applications on a compliance-certified platform.

Scale to your needs

Improve overall performance by enabling automated and fully managed scaling on demand.

Gain flexibility

Adapt faster to business needs by choosing the best approach and technology for each service.


Best approach for building microservices in Azure

Service Fabric

Get automatic scaling, rolling upgrades and self-healing from faults with a custom-built microservices framework.

Azure Kubernetes Service (AKS)

Use a fully managed Kubernetes service to handle provisioning, upgrading and scaling cluster resources on demand.

Azure Functions

Build apps with simple, serverless functions that scale on demand based on the number of executions—without managing infrastructure.

API Management

Expose and publish specific parts of your applications as an API no matter where the implementation is hosted.

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