<h1 id="cdn">CDN<a aria-hidden="true" class="anchor-heading icon-link" href="#cdn"></a></h1>
<p><img src="/assets/images/2021-03-25-17-04-36.png"></p>
<p><img src="/assets/images/2021-03-25-16-59-58.png"></p>
<ul>
<li>FNA 只有static content， untrust environment</li>
<li>PoP point of presence</li>
</ul>
<p><img src="/assets/images/2021-03-25-17-08-48.png"></p>
<p><img src="/assets/images/2021-03-25-17-12-24.png"></p>
<p><img src="/assets/images/2021-03-25-17-15-31.png"></p>
<p><img src="/assets/images/2021-03-25-17-19-05.png"></p>
<p><img src="/assets/images/2021-06-30-17-11-41.png"></p>
<p><img src="/assets/images/2021-06-30-17-21-16.png"></p>
<p><img src="/assets/images/2021-06-30-17-29-33.png"></p>
<h2 id="real-life">real life<a aria-hidden="true" class="anchor-heading icon-link" href="#real-life"></a></h2>
<ul>
<li>aws cloud front</li>
</ul>