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The Istio mixer provides the foundation of the Istio service mesh design. It is responsible for insulating the Istio proxy and Istio-based services from details of the current execution environment, as well as to implement the control policies that Istio supports.
The Istio mixer provides three distinct features:
-
Precondition Checking. The
Checkmethod enables the caller to verify a number of preconditions before responding to an incoming request from a service consumer. Preconditions can include whether the service consumer is on the service's whitelist, whether the service consumer has the right access privilege, and more. -
Telemetry Reporting. The
Reportmethod enables services to produce logging and monitoring streams intended for service consumers. -
Quota Management. The
Quotamethod enables services to allocate and free quota on a number of dimensions, Quotas are used as a relatively simple resource management tool to provide some fairness between service consumers when contending for limited service resources.
To learn more...
If you have a question about the Istio mixer or have a problem using it, please file an issue.