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<p>Geode uses a modern, efficient wire protocol built on QUIC+TLS 1.3 (default) with <strong>Protobuf messages</strong>. gRPC is supported for compatibility and uses the same Protobuf schema.</p>
<h3 id="transport-layer" class="position-relative d-flex align-items-center group">
<span>Transport Layer</span>
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<i class="fa-sharp-duotone fa-solid fa-share-nodes" aria-hidden="true" style="font-size: 0.8em;"></i>
<span class="visually-hidden">Share link</span>
</button>
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<div class="hsm-dialog" role="document">
<div class="hsm-header">
<h2 id="headingShareTitle" class="h6 mb-0 fw-bold">Share this section</h2>
<button type="button" class="hsm-close" aria-label="Close">
<i class="fa-solid fa-xmark"></i>
</button>
</div>
<div class="hsm-body">
<label for="headingShareInput" class="form-label small text-muted mb-1 text-uppercase fw-bold" style="font-size: 0.7rem; letter-spacing: 0.5px;">Permalink</label>
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<button class="btn btn-primary hsm-copy" type="button" aria-label="Copy" title="Copy">
<i class="fa-duotone fa-clipboard" aria-hidden="true"></i>
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<div class="small fw-bold mb-2 text-muted text-uppercase" style="font-size: 0.7rem; letter-spacing: 0.5px;">Share via</div>
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<a id="share-twitter" class="btn btn-outline-secondary w-100" target="_blank" rel="noopener noreferrer">
<i class="fa-brands fa-twitter me-2"></i>Twitter
</a>
<a id="share-linkedin" class="btn btn-outline-secondary w-100" target="_blank" rel="noopener noreferrer">
<i class="fa-brands fa-linkedin me-2"></i>LinkedIn
</a>
<a id="share-facebook" class="btn btn-outline-secondary w-100" target="_blank" rel="noopener noreferrer">
<i class="fa-brands fa-facebook me-2"></i>Facebook
</a>
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</div>
</div>
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padding: 0.25rem 0.5rem;
border-radius: 0.25rem;
font-size: 1.2rem;
line-height: 1;
transition: opacity 0.2s;
}
.hsm-close:hover {
opacity: 1;
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.hsm-body {
padding: 1.5rem;
}
.hsm-url-group {
display: flex !important;
align-items: stretch;
}
.hsm-url-group .form-control {
flex: 1;
min-width: 0;
margin: 0;
background: var(--bs-secondary-bg, #f8f9fa);
border-color: var(--bs-border-color, #dee2e6);
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display: flex;
flex-direction: column;
gap: 0.5rem;
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font-size: 0.9rem;
padding: 0.6rem;
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width: 100%;
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color: #e2e8f0;
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[data-bs-theme="dark"] .hsm-share-grid .btn:hover {
background: #334155;
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<h4 id="quic-protocol" class="position-relative d-flex align-items-center group">
<span>QUIC Protocol</span>
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</button>
</h4><p>Geode uses QUIC for transport by default.</p>
<p><strong>Advantages over TCP:</strong></p>
<ul>
<li>Reduced connection establishment latency (0-RTT)</li>
<li>Built-in multiplexing (no head-of-line blocking)</li>
<li>Connection migration (survives network changes)</li>
<li>Improved congestion control</li>
</ul>
<p><strong>Port:</strong> 3141 (standard) or 8443 (alternative)</p>
<p><strong>ALPN:</strong> <code>geode/1</code></p>
<h4 id="tls-13-security" class="position-relative d-flex align-items-center group">
<span>TLS 1.3 Security</span>
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data-share-target="tls-13-security"
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aria-label="Share link: TLS 1.3 Security">
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<span class="visually-hidden">Share link</span>
</button>
</h4><p>All QUIC connections are encrypted using TLS 1.3.</p>
<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Start Geode with TLS</span>
</span></span><span class="line"><span class="cl">./geode serve <span class="se">\
</span></span></span><span class="line"><span class="cl"><span class="se"></span> --cert /etc/geode/certs/server-cert.pem <span class="se">\
</span></span></span><span class="line"><span class="cl"><span class="se"></span> --key /etc/geode/certs/server-key.pem <span class="se">\
</span></span></span><span class="line"><span class="cl"><span class="se"></span> --listen 0.0.0.0:3141
</span></span></code></pre></div>
<h3 id="message-format" class="position-relative d-flex align-items-center group">
<span>Message Format</span>
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</h3>
<h4 id="protobuf-messages" class="position-relative d-flex align-items-center group">
<span>Protobuf Messages</span>
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</h4><p>Messages are defined in <code>src/proto/geode.proto</code> and framed as length-prefixed Protobuf messages over QUIC (or gRPC framing).</p>
<p><strong>Client Messages</strong>:</p>
<ul>
<li><code>HelloRequest</code></li>
<li><code>ExecuteRequest</code></li>
<li><code>PullRequest</code></li>
<li><code>BeginRequest</code> / <code>CommitRequest</code> / <code>RollbackRequest</code></li>
<li><code>PingRequest</code></li>
</ul>
<p><strong>Server Responses</strong>:</p>
<ul>
<li><code>ExecutionResponse</code> (payloads: <code>SchemaDefinition</code>, <code>DataPage</code>, <code>Error</code>, <code>ExplainPayload</code>, <code>ProfilePayload</code>)</li>
</ul>
<h3 id="related-documentation" class="position-relative d-flex align-items-center group">
<span>Related Documentation</span>
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</h3><ul>
<li><a
href="/docs/protocol/"
>Wire Protocol Overview</a>
</li>
<li><a
href="/docs/reference/dsn/"
>DSN Specification</a>
</li>
<li><a
href="/docs/client-libraries/"
>Client Libraries</a>
</li>
</ul>
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