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DATA COMMUNICATION SYSTEM TRANSMITTING DATA TO PRESTORED DESTINATION ADDRESS, ADDRESS MANAGEMENT APPARATUS, DATA COMMUNICATION APPARATUS, ADDRESS MANAGEMENT METHOD, AND ADDRESS MANAGEMENT PROGRAM

  • US 20090135446A1
  • Filed: 11/20/2008
  • Published: 05/28/2009
  • Est. Priority Date: 11/27/2007
  • Status: Active Grant
First Claim
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1. A data communication system including an address management apparatus and a data communication apparatus capable of communicating with each other,said address management apparatus comprising:

  • a destination storage portion to store address data having a destination address indicating an address of a destination and related information on said destination associated with each other,said data communication apparatus comprising;

    a data receiving portion to receive data from another apparatus;

    an update requesting portion to transmit an update request to said address management apparatus, said update request including a source address indicating an address of a source of the data received by said data receiving portion and related information on the source included in the data;

    an address data acquiring portion to transmit an address request to said address management apparatus and receive said address data from said address management apparatus; and

    a data transmitting portion to transmit data to said destination address included in said received address data,said address management apparatus further comprising;

    an updating portion, in response to reception of said update request from said data communication apparatus, to rewrite said related information associated with said source address included in the update request by said address data stored in said destination storage portion with said related information included in said update request.

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