A service mesh plays a crucial role in a distributed architecture by providing a dedicated infrastructure layer for managing and monitoring communication between microservices. It acts as a network of proxies that intercept all inter-service communication, adding additional features such as load balancing, retry logic, and service discovery.
The service mesh also provides fine-grained control over traffic flow, allowing for better visibility and security. It can facilitate communication across multiple Kubernetes clusters or cloud providers and make it easier to implement cross-cutting concerns such as observability, security, and resiliency. This ultimately helps to improve the scalability, availability, and reliability of microservices-based applications.
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