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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Transport node</span></h1>

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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><dl><dd>Manual: <span class="manual-link" title="Manual:Transport Nodes and Instances"><span class="mirror link"><span class="web"><a rel="nofollow" class="external text" href="https://reticulum.network/manual/networks.html#transport-nodes-and-instances">Transport Nodes and Instances</a></span><span class="nomadnet">[nomadnetwork://a8d24177d946de4f1f0a0fe1af9a1338:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/networks.md|anchor=transport-nodes-and-instances Transport Nodes and Instances]</span></span></span></dd></dl>

<p class="mw-empty-elt"></p><aside class="portable-infobox noexcerpt searchaux pi-background pi-theme-default pi-layout-default"><h2 class="pi-item pi-item-spacing pi-title" data-source="title">Transport node</h2><div class="pi-item pi-data pi-item-spacing pi-border-color" data-source="source">

<h3 class="pi-data-label pi-secondary-font">Source</h3>

<div class="pi-data-value pi-font"><span class="mirror link"><span class="web"><a rel="nofollow" class="external text" href="https://github.com/markqvist/reticulum/blob/HEAD/RNS/Transport.py">Transport.py</a></span><span class="nomadnet">[nomadnetwork://a8d24177d946de4f1f0a0fe1af9a1338:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=RNS/Transport.py Transport.py]</span></span></div>

</div><div class="pi-item pi-data pi-item-spacing pi-border-color" data-source="api">

<div class="pi-data-value pi-font"><span class="manual-link" title="Manual:RNS.Transport"><span class="mirror link"><span class="web"><a rel="nofollow" class="external text" href="https://reticulum.network/manual/reference.html#RNS.Transport">RNS.Transport</a></span><span class="nomadnet">[nomadnetwork://a8d24177d946de4f1f0a0fe1af9a1338:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/reference.md|anchor=RNS.Transport RNS.Transport]</span></span></span></div>

</div></aside>

<p class="mw-empty-elt"></p><p>A <b>transport</b> <b>node</b> is an <a href="Instance" title="Instance">instance</a> that also routes data across its <a href="Interface" title="Interface">interfaces</a>.

</p><p>Transport nodes forward <a href="Packet" title="Packet">packets</a> across hops, propagate <a href="Announce" title="Announce">announces</a>, maintain <a href="Path#Table" title="Path">path tables</a>, serve <a href="Path#Request" title="Path">path requests</a> on behalf of other <a href="Node" title="Node">nodes</a> and function as distributed cryptographic keystores.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p><p>

While every node <i>can</i> become a transport node, it is not recommended. In most cases, it will degrade the performance and reliability of the network.<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></p><blockquote><p>In general terms, if a node is stationary, well-connected and kept running most of the time, it is a good candidate to be a transport node. For optimal performance, a network should contain the amount of transport nodes that provides connectivity to the intended area / topography, and not many more than that.</p></blockquote><p>A network will typically have a relatively small number of transport nodes in strategic positions, providing coverage and connectivity. End-user devices will typically be instances connected to the wider network through a nearby transport node.

</p><p>Reticulum does work without any transport nodes, but only nodes that are in direct contact or within communication range will be able to communicate.

</p><p><i><b>Note:</b></i> <i>Transport nodes are not the same as <a href="LXMF" title="LXMF">LXMF</a>'s <a href="Propagation_node" title="Propagation node">propagation nodes</a>; transport nodes enable multi-hop routing at the <a href="Reticulum_Protocol" title="Reticulum Protocol">Reticulum Protocol</a> level while propagation nodes provide optional asynchronous messaging features to LXMF.</i>

</p>

<div class="mw-heading mw-heading2"><h2 id="Cryptographic_keystores">Cryptographic keystores</h2></div>

<p>When a destination announces itself, transport nodes will cache the public key of the destination's associated <a href="Identity" title="Identity">identity</a>. If a <a href="Node" title="Node">node</a> doesn't have the public key for a destination, it can request it from the network, and any transport node that has it will respond with the cached information. This ensures that public keys remain available throughout the network without the need for a central directory service.<sup id="cite_ref-:0_1-2" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p>

<div class="mw-heading mw-heading2"><h2 id="Usage">Usage</h2></div>

<p>In <a href="RNS" title="RNS">RNS</a>, set <code>enable_transport = true</code> in the configuration file.

</p>

<ul><li><a href="Instance" title="Instance">Instance</a></li>

<li><a href="Interface" title="Interface">Interface</a></li>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

<li id="cite_note-:0-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:0_1-0">1.0</a></sup> <sup><a href="#cite_ref-:0_1-1">1.1</a></sup> <sup><a href="#cite_ref-:0_1-2">1.2</a></sup></span> <span class="reference-text"><i>Transport Nodes and Instances</i>, Manual. <span class="exclude-nomadnet"><a rel="nofollow" class="external text" href="https://reticulum.network/manual/networks.html#transport-nodes-and-instances">Web</a> / NomadNet: </span><code class="nomadnet address">a8d24177d946de4f1f0a0fe1af9a1338:/page/blob.mu`g=reticulum|r=reticulum|ref=HEAD|path=docs/markdown/networks.md|anchor=transport-nodes-and-instances</code></span>

</li>

</ol></div>

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</style><div id="Reticulum_concepts" style="font-size:114%;margin:0 4em"><a href="Reticulum_Protocol" title="Reticulum Protocol">Reticulum</a> concepts</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="Announce" title="Announce">Announce</a></li>

<li><a href="Blackhole" title="Blackhole">Blackhole</a></li>

<li><a href="Buffer" title="Buffer">Buffer</a></li>

<li><a href="Channel" title="Channel">Channel</a></li>

<li><a href="Destination" title="Destination">Destination</a></li>

<li><a href="Discovery" title="Discovery">Discovery</a></li>

<li><a href="Identity" title="Identity">Identity</a></li>

<li><a href="Instance" title="Instance">Instance</a></li>

<li><a href="Interface" title="Interface">Interface</a></li>

<li><a href="Interface_Access_Code" title="Interface Access Code">Interface Access Code</a> (IFAC)</li>

<li><a href="Network_identity" title="Network identity">Network identity</a></li>

<li><a href="Packet" title="Packet">Packet</a></li>

<li><a href="Propagation_node" title="Propagation node">Propagation node</a></li>

<li><a href="Resource" title="Resource">Resource</a></li>

<li><a href="Stamp" title="Stamp">Stamp</a></li>

<li><a class="mw-selflink selflink">Transport node</a></li></ul>

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