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guide deploys a sample application composed of four separate microservices which will be used to demonstrate various features of the Istio service mesh."}); docs.push({path: [ "index.md", ], url: "/docs/guides/", title: "Guides", order: 30, overview: "Guides include a variety of fully working example uses for Istio that you can experiment with."}); docs.push({path: [ "integrating-vms.md", ], url: "/docs/guides/integrating-vms.html", title: "Integrating Virtual Machines", order: 60, overview: "This sample deploys the Bookinfo services across Kubernetes and a set of virtual machines, and illustrates how to use the Istio service mesh to control this infrastructure as a single mesh."}); docs.push({path: [ "intelligent-routing.md", ], url: "/docs/guides/intelligent-routing.html", title: "Intelligent Routing", order: 20, overview: "This guide demonstrates how to use various traffic management capabilities of an Istio service mesh."}); docs.push({path: [ "telemetry.md", ], url: "/docs/guides/telemetry.html", title: "In-Depth Telemetry", order: 30, overview: "This sample demonstrates how to obtain uniform metrics, logs, traces across different services using Istio Mixer and Istio sidecar."}); genNavBarTree(docs) </script></ul></div><div id="tab-container" class="col-xs-1 tab-neg-margin pull-left"> <a id="sidebar-tab" class="glyphicon glyphicon-chevron-left" href="javascript:void 0;"> </a></div><div id="content-container" class="thin-left-border col-sm-9 markdown"><div id="toc" class="toc"></div><div id="doc-content"><h1>Intelligent Routing</h1><p>This guide demonstrates how to use various traffic management capabilities of an Istio service mesh.</p><h2 id="overview">Overview</h2><p>Deploying a microservice-based application in an Istio service mesh allows one to externally control service monitoring and tracing, request (version) routing, resiliency testing, security and policy enforcement, etc., in a consistent way across the services, for the application as a whole.</p><p>In this guide, we will use the <a href="/v0.3/docs/guides/bookinfo.html">Bookinfo sample application</a> to show how operators can dynamically configure request routing and fault injection for a running application.</p><h2 id="before-you-begin">Before you begin</h2><ul><li><p>Install the Istio control plane by following the instructions corresponding to your platform <a href="/v0.3/docs/setup/">installation guide</a>.</p></li><li><p>Run the Bookinfo sample application by following the applicable <a href="/v0.3/docs/guides/bookinfo.html#deploying-the-application">application deployment instructions</a>.</p></li></ul><h2 id="tasks">Tasks</h2><ol><li><p><a href="/v0.3/docs/tasks/traffic-management/request-routing.html">Request routing</a> This task will first direct all incoming traffic for the Bookinfo application to the v1 version of the <code>reviews</code> service. It will then send traffic only from a specific test user to version v2, leaving all other users unaffected.</p></li><li><p><a href="/v0.3/docs/tasks/traffic-management/fault-injection.html">Fault injection</a> We will now use Istio to test the resiliency of the Bookinfo application by injecting an artificial delay in requests between the <code>reviews:v2</code> and <code>ratings</code> services. Observing the resulting behavior as the test user, we will notice that the v2 version of the <code>reviews</code> service has a bug. Note that all other users are unaware of this testing against the live system.</p></li><li><p><a href="/v0.3/docs/tasks/traffic-management/traffic-shifting.html">Traffic Shifting</a> Finally, we will use Istio to gradually migrate traffic for all users from to a v3 version of the <code>reviews</code> service, one which includes the fix for the bug discovered in v2.</p></li></ol><h2 id="cleanup">Cleanup</h2><p>When you’re finished experimenting with the BookInfo sample, you can uninstall it by following the <a href="/v0.3/docs/guides/bookinfo.html#cleanup">Bookinfo cleanup instructions</a> corresponding to your environment.</p></div></div></div></div></div></div><script src="/v0.3/js/sidemenu.min.js"></script><footer><div class="container"><div class="row"><div class="col-lg-2 col-md-2 col-sm-2"></div><div class="col-lg-3 col-md-3 col-sm-3 col-xs-12 center-block"><ul><li><a class="header" href="/v0.3/docs/welcome">Docs</a></li><li><a href="/v0.3/docs/concepts">Concepts</a></li><li><a href="/v0.3/docs/setup">Setup</a></li><li><a href="/v0.3/docs/tasks">Tasks</a></li><li><a href="/v0.3/docs/guides">Guides</a></li><li><a href="/v0.3/docs/reference">Reference</a></li></ul></div><div class="col-lg-3 col-md-3 col-sm-3 col-xs-12 center-block"><ul><li><a class="header" href="/v0.3/help">Help</a></li><li><a href="/v0.3/faq">FAQ</a></li><li><a href="/v0.3/glossary">Glossary</a></li><li><a href="/v0.3/troubleshooting">Troubleshooting</a></li><li><a href="/v0.3/bugs">Report Bugs</a></li><li><a href="https://github.com/istio/istio.github.io/issues/new?title=Issue with _docs/guides/intelligent-routing.md">Doc Bugs & Gaps</a></li><li><a href="https://github.com/istio/istio.github.io/edit/master/_docs/guides/intelligent-routing.md">Edit This Page</a></li></ul></div><div class="col-lg-3 col-md-3 col-sm-3 col-xs-12 center-block"><ul><li> <a class="header" href="/v0.3/community">Community</a></li><li> <a href="https://groups.google.com/forum/#!forum/istio-users" target="_blank" rel="noopener">User</a> | <a href="https://groups.google.com/forum/#!forum/istio-dev" target="_blank" rel="noopener">Dev Mailing Lists</a></li><li><a href="https://twitter.com/IstioMesh" target="_blank" rel="noopener">Twitter</a></li><li><a href="https://stackoverflow.com/questions/tagged/istio" target="_blank" rel="noopener">Stack Overflow</a></li><li><a href="https://github.com/istio/community" target="_blank" rel="noopener">GitHub</a></li><li><a href="https://github.com/istio/community/blob/master/WORKING-GROUPS.md" target="_blank" rel="noopener">Working Groups</a></li></ul></div><div class="col-lg-1 col-md-1 col-sm-1"></div></div><div class="row"><p class="description small text-center"> Istio 0.3, Copyright © 2017 Istio Authors<br> Archived on 08-Dec-2017</p></div></div></footer><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.15.0/jquery.validate.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.form/4.2.1/jquery.form.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-visible/1.2.0/jquery.visible.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.6.0/slick.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <script src="/v0.3/js/common.min.js"></script> <script src="/v0.3/js/search.js"></script> <script src="/v0.3/js/prism.min.js"></script></body></html>
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