Communication network having packetized security codes and a system for detecting security breach locations within the network

  • US 6,754,214 B1
  • Filed: 07/19/1999
  • Issued: 06/22/2004
  • Est. Priority Date: 07/19/1999
  • Status: Expired due to Term
First Claim
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1. A communication network, comprising:

  • at least one intermediate module linked between an entry module and an exit module;

    wherein said entry module is coupled to assign and transfer a security code and an identification number to a packet of data, and wherein said entry module comprises;

    a decoder;

    a storage device configured with a set of bits;

    an entry compare unit coupled between the decoder and the storage device for comparing the identification number with the set of bits to determine if the packet of data will be transferred to the communication network as a secured packet having the security code and the identification number within a header of the packet, and wherein the secured packet further includes a trailer that include;

    a first grouping of bits reserved for a count number of the number of intermediate modules through which the secured packet traverses;

    a second grouping of bits reserved for an identifying number of each intermediate module traversed; and

    an exit compare unit within the exit module coupled to compare the security code and the identification number before transferring the packet of data from the communication network.

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