ntage of precondition checks can be performed from cache. Additionally, the
sidecar buffers outgoing telemetry such that it only actually needs to call Mixer once for every several thousands requests. Whereas precondition
checks are synchronous to request processing, telemetry reports are done asynchronously with a fire-and-forget pattern.</p>
<p>At a high level, Mixer provides:</p>
<ul>
<li>
<p><strong>Backend Abstraction</strong>. Mixer insulates the Istio components and services within the mesh from the 