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<title data-rh="true">Reserved Services | Zrok</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://zrok.io/docs/core-concepts/reserved_services"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Reserved Services | Zrok"><meta data-rh="true" name="description" content="With v0.3, zrok introduced a concept of "reserving" services. The intention is that the zrok control plane will support limits on the number of reserved services (and eventually frontendinstances) that an account is allowed to utilize. Service reservations could also be time-limited, or possibly even bandwidth-limited (the reservation expires after a bandwidth threshold is crossed)."><meta data-rh="true" property="og:description" content="With v0.3, zrok introduced a concept of "reserving" services. The intention is that the zrok control plane will support limits on the number of reserved services (and eventually frontendinstances) that an account is allowed to utilize. Service reservations could also be time-limited, or possibly even bandwidth-limited (the reservation expires after a bandwidth threshold is crossed)."><link data-rh="true" rel="icon" href="/img/space-ziggy.png"><link data-rh="true" rel="canonical" href="https://zrok.io/docs/core-concepts/reserved_services"><link data-rh="true" rel="alternate" href="https://zrok.io/docs/core-concepts/reserved_services" hreflang="en"><link data-rh="true" rel="alternate" href="https://zrok.io/docs/core-concepts/reserved_services" hreflang="x-default"><link rel="stylesheet" href="/assets/css/styles.e8494040.css">
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class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>Reserved Services</h1><p>With v0.3, <code>zrok</code> introduced a concept of "reserving" services. The intention is that the <code>zrok</code> control plane will support limits on the number of reserved services (and eventually <code>frontend</code>instances) that an account is allowed to utilize. Service reservations could also be time-limited, or possibly even bandwidth-limited (the reservation expires after a bandwidth threshold is crossed).</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="reserved-services-example">Reserved Services Example<a class="hash-link" href="#reserved-services-example" title="Direct link to heading"></a></h2><p>With v0.3 <code>zrok</code> introduced the <code>zrok reserve</code> command:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ zrok reserve private http://localhost:9090</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.047] INFO main.(*reserveCommand).run: your reserved service token is 'x88xujrpk4k3'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.048] INFO main.(*reserveCommand).run: your reserved service frontend is 'http://x88xujrpk4k3.zrok.quigley.com:8080/'</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>The <code>reserve</code> command creates a service reservation that allows a service to become non-ephemeral. The service token <code>x88xujrpk4k3</code> is guaranteed to exist between <code>backend</code> executions.</p><p>Running a <code>backend</code> against a service reservation is done like this:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ zrok share reserved x88xujrpk4k3</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.005] INFO main.(*shareReservedCommand).run: sharing target endpoint: 'http://localhost:9090'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.040] INFO main.(*shareReservedCommand).run: use this command to access your zrok service: 'zrok access private x88xujrpk4k3'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">^C</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ zrok share reserved x88xujrpk4k3</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.007] INFO main.(*shareReservedCommand).run: sharing target endpoint: 'http://localhost:9090'</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.047] INFO main.(*shareReservedCommand).run: use this command to access your zrok service: 'zrok access private x88xujrpk4k3'</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>The <code>share reserved</code> comand starts a backend process for the service. User-facing and public-facing <code>frontend</code> instances are allowed to come and go, just as if the service were ephemeral.</p><p>Releasing a reserved service is done with the <code>zrok release</code> command:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">$ zrok release x88xujrpk4k3</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">[ 0.056] INFO main.(*releaseCommand).run: reserved service 'x88xujrpk4k3' released</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/openziti/zrok/tree/main/../docs/core-concepts/reserved_services.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/category/sharing"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Sharing</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/core-concepts/sharing_modes"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Public/Private Sharing</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#reserved-services-example" class="table-of-contents__link toc-highlight">Reserved Services Example</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2023 NetFoundry Inc. 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