BONE</a>.</p>
'>secure L4 overlay</span></li><li><code>ambient: L4+L7</code> Default ambient mode with the secure L4 overlay and waypoints enabled for the namespace.</li><li><code>sidecar</code> Client and server sidecars.</li></ul><h3 id=benchmarking-tools>Benchmarking tools</h3><p>Istio uses the following tools for benchmarking</p><ul><li><a href=https://fortio.org/><code>fortio.org</code></a> - a constant throughput load testing tool.</li><li><a href=https://github.com/envoyproxy/nighthawk><code>nighthaw