xer provides:</p><ul><li><p><strong>Backend Abstraction</strong>. Mixer insulates the Istio components and services within the mesh from the implementation details of individual infrastructure backends.</p></li><li><p><strong>Intermediation</strong>. Mixer allows operators to have fine-grained control over all interactions between the mesh and the infrastructure backends.</p></li></ul><p>However, even beyond these purely functional aspects, Mixer has other characteristics that provide the system with additi