div><p>This configuration applies the quota rule to requests whose source and destination namespaces are different.</p><h2 id="understanding-rate-limits">Understanding rate limits</h2><p>In the preceding examples we saw how Mixer applies rate limits to requests that match certain conditions.</p><p>Every named quota instance like <code class="highlighter-rouge">requestcount</code> represents a set of counters. The set is defined by a Cartesian product of all quota dimensions. If the number of requests in the