System and method for improved data protection in PONs
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United States of America Patent
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Sep 27, 2011
Grant Date -
Jul 15, 2004
app pub date -
Jan 13, 2003
filing date -
Jan 13, 2003
priority date (Note) -
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Abstract
Mechanisms for providing a subscriber-side interface with a passive optical network are described herein. An optical network termination (ONT) having an integrated broadband passive optical network processor is utilized to receive downstream data from an optical line termination (OLT) via a passive optical network and provide the contents of the downstream data to one or more subscriber devices via one or more data interfaces. Similarly, the ONT is adapted to receive and transmit upstream data from the one or more subscriber devices to the OLT via the passive optical network. The ONT preferably implements one or more encryption/decryption mechanisms, such as the digital encryption standard (DES), to provide data protection in addition to, or in place of, data churning provided for by the ITU G.983 recommendations.
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