To implement infrastructure-based resiliency, you can use a service mesh. Aside from resiliency without changing code, a service mesh provides traffic management, policy, security, strong identity, and observability. Your app is decoupled from these operational capabilities, which are moved to the infrastructure layer. Architecturally speaking, a service mesh is composed of two components: a control plane and a data plane.
The control plane component has many components that support managing the service mesh. The components inventory typically includes:
- A management interface, which could be a UI or an API.
- Rules and policy definitions that define how the service mesh should implement specific capabilities.
- Security management for things like strong identity and certificates for mTLS.
- Metrics or observability to collect and aggregate metrics and telemetry from the apps.
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