) -c sleep -n ${from} -- curl &#34;http://httpbin.${to}:8000/ip&#34; -s -o /dev/null -w &#34;sleep.${from} to httpbin.${to}: %{http_code}\n&#34;; done; done
sleep.foo to httpbin.foo: 200
sleep.foo to httpbin.bar: 200
sleep.bar to httpbin.foo: 200
sleep.bar to httpbin.bar: 200
</code></pre><h3 id=request-from-non-istio-services-to-istio-services>Request from non-Istio services to Istio services</h3><p>The non-Istio service, e.g <code>sleep.legacy</code> doesn&rsquo;t have a sidecar, so it cannot initiate the