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<!DOCTYPE html>
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<li class="toctree-l1"><a class="reference internal" href="preface.html">Preface</a></li>
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<li class="toctree-l2"><a class="reference internal" href="direct/perspective.html">2.1 Technology Landscape</a></li>
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<li class="toctree-l1"><a class="reference internal" href="security.html">Chapter 8: Network Security</a></li>
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<h1>Chapter 2: Direct Links<a class="headerlink" href="#chapter-2-direct-links" title="Permalink to this headline">¶</a></h1>
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<div><p>It is a mistake to look too far ahead. Only one link in the chain
of destiny can be handled at a time.</p>
<p><em>—Winston Churchill</em></p>
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<li class="toctree-l1"><a class="reference internal" href="direct/problem.html">Problem: Connecting to a Network</a></li>
<li class="toctree-l1"><a class="reference internal" href="direct/perspective.html">2.1 Technology Landscape</a></li>
<li class="toctree-l1"><a class="reference internal" href="direct/encoding.html">2.2 Encoding</a></li>
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<li class="toctree-l2"><a class="reference internal" href="direct/framing.html#bit-oriented-protocols-hdlc">Bit-Oriented Protocols (HDLC)</a></li>
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