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<p>the BPON management model. However, G.984.4 removed all references to ATM. <a href="page.php?w=G.988">G.988</a> is a stand-alone OMCI recommendation and supersedes G.984.4 except for GPON specifics that are not defined in G.988. Future work on the PON management model is expected to appear only in the GPON space.</p>

<p><big> Security </big></p>
<p>Security issues in the G.984 standard series include the possibility of eavesdropping on upstream traffic, <a href="page.php?w=Replay_attack">replay attacks</a>, <a href="page.php?w=PLOAM">PLOAM</a> messages</p><p>
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