Microservices are complex and building a scalable and resilient microservice architecture is challenging. As the number of services increase, you have to deal with the interactions between them, monitor the overall system health, be fault tolerant, have logging and telemetry in place, handle multiple points of failure and more. Each of the services needs to have these common functionalities in place so that the service to service communication is smooth and reliable. In a Microservice architecture, handling service to service communication is challenging and most of the times we depend upon 3rd party libraries or components to provide functionality like Service Discovery, Load Balancing, Circuit Breaker, Metrics, Telemetry and more. Companies like Netflix came up with their own libraries like Hystrix for Circuit Breaker, Eureka for Service Discovery, Ribbon for Load Balancing which are popular and widely used by organizations.


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microservices,software architecture,istio,service mesh,envoy