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<!DOCTYPE html><html lang="en" itemscope itemtype="https://schema.org/WebPage" style="overflow-y: scroll;"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="title" content="Pilot"><meta name="og:title" content="Pilot"><meta name="og:image" content="/v0.1/img/logo.png"/><meta name="description" content="Introduces Pilot, the component responsible for managing a distributed deployment of Envoy proxies in the service mesh."><meta name="og:description" content="Introduces Pilot, the component responsible for managing a distributed deployment of Envoy proxies in the service mesh."><title>Istioldie 0.1 / Pilot</title><script> window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; ga('create', 'UA-98480406-2', 'auto'); ga('send', 'pageview'); </script> <script async src='https://www.google-analytics.com/analytics.js'></script><link 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"Network and Auth", order: 30, overview: "Introduces core network and authentication functionality."}); docs.push({path: [ "policy-and-control", "attributes.md", ], url: "/docs/concepts/policy-and-control/attributes.html", title: "Attributes", order: 10, overview: "Explains the important notion of attributes, which is a central mechanism for how policies and control are applied to services within the mesh."}); docs.push({path: [ "policy-and-control", "index.md", ], url: "/docs/concepts/policy-and-control/index.html", title: "Policies and Control", order: 40, overview: "Introduces the policy control mechanisms."}); docs.push({path: [ "policy-and-control", "mixer-aspect-config.md", ], url: "/docs/concepts/policy-and-control/mixer-aspect-config.html", title: "Mixer Aspect Configuration", order: 38, overview: "Explains how to configure a Mixer Aspect and its dependencies."}); docs.push({path: [ "policy-and-control", "mixer-config.md", ], url: "/docs/concepts/policy-and-control/mixer-config.html", title: "Mixer Configuration", order: 30, overview: "An overview of the key concepts used to configure Mixer."}); docs.push({path: [ "policy-and-control", "mixer.md", ], url: "/docs/concepts/policy-and-control/mixer.html", title: "Mixer", order: 20, overview: "Architectural deep-dive into the design of Mixer, which provides the policy and control mechanisms within the service mesh."}); docs.push({path: [ "traffic-management", "fault-injection.md", ], url: "/docs/concepts/traffic-management/fault-injection.html", title: "Fault Injection", order: 40, overview: "Introduces the idea of systematic fault injection that can be used to uncover conflicting failure recovery policies across services."}); docs.push({path: [ "traffic-management", "handling-failures.md", ], url: "/docs/concepts/traffic-management/handling-failures.html", title: "Handling Failures", order: 30, overview: "An overview of failure recovery capabilities in Envoy that can be leveraged by unmodified applications to improve robustness and prevent cascading failures."}); docs.push({path: [ "traffic-management", "index.md", ], url: "/docs/concepts/traffic-management/index.html", title: "Traffic Management", order: 20, overview: "Describes the various Istio features focused on traffic routing and control."}); docs.push({path: [ "traffic-management", "load-balancing.md", ], url: "/docs/concepts/traffic-management/load-balancing.html", title: "Discovery & Load Balancing", order: 25, overview: "Describes how traffic is load balanced across instances of a service in the mesh."}); docs.push({path: [ "traffic-management", "overview.md", ], url: "/docs/concepts/traffic-management/overview.html", title: "Overview", order: 0, overview: "Provides a conceptual overview of traffic management in Istio and the features it enables."}); docs.push({path: [ "traffic-management", "pilot.md", ], url: "/docs/concepts/traffic-management/pilot.html", title: "Pilot", order: 10, overview: "Introduces Pilot, the component responsible for managing a distributed deployment of Envoy proxies in the service mesh."}); docs.push({path: [ "traffic-management", "request-routing.md", ], url: "/docs/concepts/traffic-management/request-routing.html", title: "Request Routing", order: 20, overview: "Describes how requests are routed between services in an Istio service mesh."}); docs.push({path: [ "traffic-management", "rules-configuration.md", ], url: "/docs/concepts/traffic-management/rules-configuration.html", title: "Rules Configuration", order: 50, overview: "Provides a high-level overview of the domain-specific language used by Istio to configure traffic management rules in the service mesh."}); docs.push({path: [ "what-is-istio", "goals.md", ], url: "/docs/concepts/what-is-istio/goals.html", title: "Design Goals", order: 20, overview: "Describes the core principles that Istio's design adheres to."}); docs.push({path: [ "what-is-istio", "index.md", ], url: "/docs/concepts/what-is-istio/index.html", title: "What is Istio?", order: 10, overview: "A broad overview of the Istio system."}); docs.push({path: [ "what-is-istio", "overview.md", ], url: "/docs/concepts/what-is-istio/overview.html", title: "Overview", order: 15, overview: "Provides a conceptual introduction to Istio, including the problems it solves and its high-level architecture."}); 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>Pilot</h1><p>Pilot is responsible for the lifecycle of Envoy instances deployed across the Istio service mesh.</p><figure><img src="./img/pilot/PilotAdapters.svg" alt="Pilot's overall architecture." title="Pilot Architecture" /><figcaption>Pilot Architecture</figcaption></figure><p>As illustrated in the figure above, Pilot maintains a canonical representation of services in the mesh that is independent of the underlying platform. Platform-specific adapters in Pilot are responsible for populating this canonical model appropriately. For example, the Kubernetes adapter in Pilot implements the necessary controllers to watch the Kubernetes API server for changes to the pod registration information, ingress resources, and third party resources that store traffic management rules. This data is translated into the canonical representation. Envoy-specific configuration is generated based on the canonical representation.</p><p>Pilot exposes APIs for <a href="https://lyft.github.io/envoy/docs/configuration/cluster_manager/sds_api.html">service discovery</a>, dynamic updates to <a href="https://lyft.github.io/envoy/docs/configuration/cluster_manager/cds.html">load balancing pools</a> and <a href="https://lyft.github.io/envoy/docs/configuration/http_conn_man/rds.html">routing tables</a>. These APIs decouple Envoy from platform-specific nuances, simplifying the design and increasing portability across platforms.</p><p>Operators can specify high-level traffic management rules through <a href="/v0.1/docs/reference/config/traffic-rules/">Pilot’s Rules API</a>. These rules are translated into low-level configurations and distributed to Envoy instances via the discovery API.</p></div></div></div></div></div></div><script src="/v0.1/js/sidemenu.js"></script><footer><div class="container"><div class="row"><div class="col-md-2"></div><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Docs</p><li><a href="/v0.1/docs/">Welcome</a></li><li><a href="/v0.1/docs/concepts">Concepts</a></li><li><a href="/v0.1/docs/tasks">Tasks</a></li><li><a href="/v0.1/docs/samples">Samples</a></li><li><a href="/v0.1/docs/reference">Reference</a></li></ul></div><hr class="footer-sections" /><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Resources</p><li><a href="/v0.1/faq">Frequently Asked Questions</a></li><li><a href="/v0.1/troubleshooting">Troubleshooting Guide</a></li><li><a href="/v0.1/bugs">Report a Bug</a></li><li><a href="https://github.com/istio/istio.github.io/issues/new?title=Issue with _docs/concepts/traffic-management/pilot.md">Report a Doc Issue</a></li><li><a href="https://github.com/istio/istio.github.io/edit/master/_docs/concepts/traffic-management/pilot.md">Edit This Page on GitHub</a></li></ul></div><hr class="footer-sections" /><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Community</p><li><a href="https://groups.google.com/forum/#!forum/istio-users" target="_blank"><span class="group">User</span></a> | <a href="https://groups.google.com/forum/#!forum/istio-dev" target="_blank">Dev Mailing Lists</a></li><li><a href="https://twitter.com/IstioMesh" target="_blank"><span class="twitter">Twitter</span></a></li><li><a href="https://github.com/istio/istio" target="_blank"><span class="github">GitHub</span></a></li></ul></div><div class="col-md-1"></div></div><div class="row"><p class="description small text-center"> Copyright © 2017 Istio Authors<br> Istio 0.1<br> Archived on 20-Jul-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="/v0.1/js/jquery.form.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script> <script src="/v0.1/js/slick.min.js"></script> <script src="/v0.1/js/jquery.visible.min.js"></script> <script src="/v0.1/js/common.js" type="text/javascript" charset="utf-8"></script> <script src="/v0.1/js/buttons.js"></script> <script src="/v0.1/js/search.js"></script> <script src="/v0.1/js/prism.js"></script></body></html>
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