e. This is after the client has responded with ClientFinished.</p>

<p>When acting as the client, one timestamp is taken when the client is finished writing the ClientHello and early data (if any). The other is taken when client is done reading the server&#39;s response. This is after ServerFinished in TLS 1.3 and after ServerHelloDone in TLS 1.2.</p>

<p>In addition to network propagation delay and network stack overhead, this metric includes processing time on both endpoints, as this is based on TLS proto