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<p>In <a href="page.php?w=computer_networking">computer networking</a>, <b>packet delay variation</b> (<b>PDV</b>) is the difference in <a href="page.php?w=End-to-end_principle">end-to-end</a> <a href="page.php?w=one-way_delay">one-way delay</a> between selected packets in a <a href="page.php?w=Traffic_flow_%28computer_networking%29">flow</a> with any <a href="page.php?w=Packet_loss">lost packets</a> being ignored. The effect is sometimes referred to as <b>packet jitter</b>, although the definition is an imprecise fit.</p>

<p><big>Terminology</big></p>
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