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  <section id="bng-blaster">
<h1>BNG Blaster<a class="headerlink" href="#bng-blaster" title="Link to this heading"></a></h1>
<p><strong>The open network tester for the IP networking community.</strong></p>
<p>The <strong>BNG Blaster</strong> is an open-source network tester for <strong>access</strong> and <strong>routing</strong> protocols.</p>
<p>Originally developed as an access protocol tester, the BNG Blaster has undergone a
significant evolution, transforming into a comprehensive network testing tool that
now encompasses both access and routing functionalities. Its scope has expanded beyond
the assessment of access protocols and now encompasses a broader spectrum, involving
the evaluation of network functionalities at large. Contrary to its nomenclature,
the BNG Blaster isn’t restricted only to BNG (Broadband Network Gateway) testing.</p>
<p>It simulates a massive number of PPPoE and IPoE (DHCP) subscribers, encompassing
IPTV and L2TP (LNS). Additionally, it supports all common routing protocols such
as IS-IS, OSPF, LDP and BGP. This allows for comprehensive testing of both BNG
and non-BNG routers, enabling end-to-end evaluations.</p>
<p>The included traffic generator serves various functions. It can be used to verify
forwarding, conduct QoS tests, and measure convergence times. With the capacity to
handle millions of separate tracked flows, it allows for thorough verification of
every forwarding state within a complete internet routing table. Furthermore, it
enables the transmission of traffic to each specific QoS queue present in
service edge routers with detailed per-flow statistics like receive rate, loss
or latency.</p>
<p>The BNG Blaster is used by leading network operators like Deutsche Telekom AG
with their famous Access 4.0 project, network hard- and software vendors like
RtBrick and many more.</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-0-0-0" aria-selected="true" class="sphinx-tabs-tab" id="tab-0-0-0" name="0-0" role="tab" tabindex="0">Modern Software</button><button aria-controls="panel-0-0-1" aria-selected="false" class="sphinx-tabs-tab" id="tab-0-0-1" name="0-1" role="tab" tabindex="-1">Access Protocols</button><button aria-controls="panel-0-0-2" aria-selected="false" class="sphinx-tabs-tab" id="tab-0-0-2" name="0-2" role="tab" tabindex="-1">Routing Protocols</button><button aria-controls="panel-0-0-3" aria-selected="false" class="sphinx-tabs-tab" id="tab-0-0-3" name="0-3" role="tab" tabindex="-1">Traffic Generator</button></div><div aria-labelledby="tab-0-0-0" class="sphinx-tabs-panel" id="panel-0-0-0" name="0-0" role="tabpanel" tabindex="0"><ul class="simple">
<li><p>Emulate massive nodes and sessions with low CPU and memory footprint</p></li>
<li><p>Runs on every modern Linux, virtual machine and containers</p></li>
<li><p>All protocols implemented in user space and optimized for performance</p></li>
<li><p>Automation-friendly API</p></li>
<li><p>Optional DPDK support (experimental)</p></li>
<li><p>…</p></li>
</ul>
</div><div aria-labelledby="tab-0-0-1" class="sphinx-tabs-panel" hidden="true" id="panel-0-0-1" name="0-1" role="tabpanel" tabindex="0"><ul class="simple">
<li><p>Emulate massive PPPoE and IPoE (DHCP) clients</p></li>
<li><p>Emulate L2TPv2 LNS servers with different behaviors</p></li>
<li><p>Emulate A10NSP interfaces for L2BSA testing</p></li>
<li><p>Included multicast and IPTV test suite</p></li>
<li><p>Verify legal interception (LI) traffic</p></li>
<li><p>Support all access protocols with link aggregation (LAG)</p></li>
<li><p>…</p></li>
</ul>
</div><div aria-labelledby="tab-0-0-2" class="sphinx-tabs-panel" hidden="true" id="panel-0-0-2" name="0-2" role="tabpanel" tabindex="0"><ul class="simple">
<li><p>Setup thousands of BGP sessions with millions of prefixes</p></li>
<li><p>Verify MPLS labels for millions of flows</p></li>
<li><p>Emulate ISIS and OSPFv2/3 topologies with thousands of nodes</p></li>
<li><p>Support for ISIS and OSPFv2/3 Segment Routing</p></li>
<li><p>Support for LDP and traffic streams with dynamically resolved labels</p></li>
<li><p>Support all routing protocols with link aggregation (LAG)</p></li>
<li><p>…</p></li>
</ul>
</div><div aria-labelledby="tab-0-0-3" class="sphinx-tabs-panel" hidden="true" id="panel-0-0-3" name="0-3" role="tabpanel" tabindex="0"><ul class="simple">
<li><p>Generate and track millions of traffic flows</p></li>
<li><p>Verify your QoS configuration</p></li>
<li><p>Verify all forwarding states</p></li>
<li><p>Measure convergence times and loss</p></li>
<li><p>Capture traffic</p></li>
<li><p>Emulate HTTP clients and servers</p></li>
<li><p>NAT and CGNAT testing</p></li>
<li><p>…</p></li>
</ul>
</div></div>
<p>A short introduction from <a class="reference external" href="https://youtu.be/4rmwf6livyI">DENOG15</a>
can be found on YouTube. There are even more videos and articles
listed below.</p>
<img alt="BNG Blaster Interactive" src="_images/bbl_interactive.png" />
<p>The BNG Blaster has been completely built from scratch in <strong>C</strong>. This includes user-space implementations
of the entire protocol stack. The core is based on a very simple event loop that serves timers and
signals. The timers have been built using a lightweight constant time (<em>O(1)</em>) library. The
<a class="reference external" href="https://github.com/rtbrick/bngblaster/blob/main/code/common/src/timer.h">timer library</a>
was built to start, restart and delete the protocol session FSM timers quickly and at scale.</p>
<img alt="BNG Blaster Architecture" src="_images/bbl_arch.png" />
<p>This project will be actively maintained and further evolved by RtBrick. We are fully committed to building
a project for the community and take issue and enhancement requests seriously. We are looking forward to any
kind of contributions, new features, bug fixes, or tools. Even contributions to the documentation are more
than welcome.</p>
<p>If you are interested in the BNG Blaster, or simply looking to find out more about it, we recommend going through
the examples in the quick start guide.</p>
<p>Our mission is to build better networks with open test suites.</p>
<section id="contents">
<h2>Contents<a class="headerlink" href="#contents" title="Link to this heading"></a></h2>
<div class="toctree-wrapper compound">
<ul>
<li class="toctree-l1"><a class="reference internal" href="install.html">Installation</a></li>
<li class="toctree-l1"><a class="reference internal" href="quickstart.html">Quickstart Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="interfaces.html">Interfaces</a></li>
<li class="toctree-l1"><a class="reference internal" href="access/index.html">Access Protocols</a></li>
<li class="toctree-l1"><a class="reference internal" href="routing/index.html">Routing Protocols</a></li>
<li class="toctree-l1"><a class="reference internal" href="streams.html">Traffic Streams</a></li>
<li class="toctree-l1"><a class="reference internal" href="http.html">HTTP Emulation</a></li>
<li class="toctree-l1"><a class="reference internal" href="nat.html">NAT / CGNAT</a></li>
<li class="toctree-l1"><a class="reference internal" href="reports.html">Reports</a></li>
<li class="toctree-l1"><a class="reference internal" href="configuration/index.html">Configuration</a></li>
<li class="toctree-l1"><a class="reference internal" href="api/index.html">API/CLI</a></li>
<li class="toctree-l1"><a class="reference internal" href="controller.html">Controller</a></li>
<li class="toctree-l1"><a class="reference internal" href="performance.html">Performance Guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="troubleshooting.html">Troubleshooting</a></li>
<li class="toctree-l1"><a class="reference internal" href="faq.html">Frequently Asked Questions</a></li>
</ul>
</div>
</section>
<section id="contact">
<h2>Contact<a class="headerlink" href="#contact" title="Link to this heading"></a></h2>
<ul class="simple">
<li><p>Mail: <a class="reference external" href="mailto:bngblaster&#37;&#52;&#48;rtbrick&#46;com">bngblaster<span>&#64;</span>rtbrick<span>&#46;</span>com</a></p></li>
<li><p>Chat: <a class="reference external" href="https://matrix.to/#/#bngblaster:matrix.org">matrix.org #bngblaster</a></p></li>
</ul>
</section>
<section id="articles">
<h2>Articles<a class="headerlink" href="#articles" title="Link to this heading"></a></h2>
<ul class="simple">
<li><p><a class="reference external" href="https://blog.apnic.net/2022/05/26/bng-blaster-the-open-network-tester-for-the-ip-networking-community/">APNIC Blog - The open network tester for the IP networking community</a></p></li>
</ul>
</section>
<section id="youtube">
<h2>YouTube<a class="headerlink" href="#youtube" title="Link to this heading"></a></h2>
<ul class="simple">
<li><p><a class="reference external" href="https://www.youtube.com/live/WdATdbaveRI?si=lgw1W-HckormViK9&amp;t=13599">DKNOG14 (2024)</a></p></li>
<li><p><a class="reference external" href="https://youtu.be/4rmwf6livyI">DENOG15 (2023)</a></p></li>
<li><p><a class="reference external" href="https://youtu.be/HTswAl388Gg">UKNOF49 (2022)</a></p></li>
<li><p><a class="reference external" href="https://youtu.be/LVg6rlVEfNU">DENOG13 (2021)</a></p></li>
<li><p><a class="reference external" href="https://youtu.be/EHJ70p0_Sw0">Introduction (2021)</a></p></li>
</ul>
</section>
<section id="sources">
<h2>Sources<a class="headerlink" href="#sources" title="Link to this heading"></a></h2>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/rtbrick/bngblaster">https://github.com/rtbrick/bngblaster</a></p></li>
<li><p><a class="reference external" href="https://github.com/rtbrick/bngblaster-controller">https://github.com/rtbrick/bngblaster-controller</a></p></li>
</ul>
</section>
<section id="license">
<h2>License<a class="headerlink" href="#license" title="Link to this heading"></a></h2>
<p>BNG Blaster is licensed under the BSD 3-Clause License, which means that you are free to get and use it for
commercial and non-commercial purposes as long as you fulfill its conditions.</p>
<p>See the <a class="reference external" href="https://github.com/rtbrick/bngblaster/blob/main/LICENSE">LICENSE</a>
file for more details.</p>
</section>
<section id="copyright">
<h2>Copyright<a class="headerlink" href="#copyright" title="Link to this heading"></a></h2>
<p>Copyright © 2020-2024, RtBrick, Inc.</p>
</section>
</section>


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