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  <li data-type="sect2">
    <a href="ch25.html#architecting_for_failure">Architecting for Failure</a>
  </li>
  <li data-type="sect2">
    <a href="ch25.html#batch_versus_serving">Batch Versus Serving</a>
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  <li data-type="sect2">
    <a href="ch25.html#managing_statetwosixthree">Managing State</a>
  </li>
  <li data-type="sect2">
    <a href="ch25.html#connecting_to_a_service">Connecting to a Service</a>
  </li>
  <li data-type="sect2">
    <a href="ch25.html#one-off_code">One-Off Code</a>
  </li