Method and apparatus for privacy of traffic behavior on a shared

Details Method and apparatus for privacy of traffic behavior on a shared Method and apparatus for privacy of traffic behavior on a shared

1993-11-30

1995-08-15

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 49, H04L 900

Patent

active

054427029

ABSTRACT:
The present invention provides a telecommunication network utilizing a passive optical network connecting a plurality of network terminations to a local exchange. Information cells and commands are transmitted on the network by the local exchange to all the network terminations. The information cells and commands contain routing address information for the particular network termination to which the information cell or command is destined. The address information contains the address of the destination network termination and additional identifier bits to facilitate encryption of the address information for security and privacy of traffic behavior without producing misdelivery occurrences. In addition, a system for repeatedly changing encryption patterns for the network terminations which detects misdelivery conditions is provided.

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