Kubernetes Service Mesh Definition
- Cloud-native applications frequently run in containers as part of a distributed microservices architecture. Kubernetes deployments have become the de-facto standard for the orchestration of these containerized applications.
- Microservices sprawl, a kind of exponential growth in microservices, is one unintended outcome of using a microservices architecture. This kind of growth presents challenges within a Kubernetes cluster surrounding authentication and authorization, routing between multiple versions and services, encryption, and load balancing.
- A service mesh is a mesh of Layer 7 proxies, not a mesh of services. Microservices can use a service mesh to abstract the network away, resolving many of the challenges arising from talking to remote endpoints within a Kubernetes cluster.
- Building on Kubernetes allows the service mesh to abstract away how inter-process and service-to-service communications are handled, as containers abstract away the operating system from the application.
What is Kubernetes Service Mesh?
Service mesh allows in Kubernetes that the services can be discovered and talk to other services. In addition, it implements smart routing, which targets the creation of the connections these endpoints or services make to API calls and how traffic is shared among them. As a result, it enables canaries or rolling upgrades, blue/green, and other sophisticated deployment tactics.
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