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<p>properties, and can hence be modeled by e.g. a <a href="page.php?w=Poisson_process">Poisson</a> arrival process.</p>

<p>The observation in traffic engineering is that in large systems the <a href="page.php?w=law_of_large_numbers">law of large numbers</a> can be used to make the aggregate properties of a system over a long period of time much more predictable than the behaviour of individual parts of the system.</p>

<p><big> See also </big></p>
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* <a href="page.php?w=Asynchronous_Transfer_Mode">Asynchronous Transfer Mode</a><br/>
* <a href="page.php?w=Busy_hour_call_attempts">Busy hour call attempts</a><br/></p><p>
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