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Network system and packet data transmission method

  • US 20020003803A1
  • Filed: 06/14/2001
  • Published: 01/10/2002
  • Est. Priority Date: 06/15/2000
  • Status: Active Grant
First Claim
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1. A network system wherein an IP packet according to a service requested by a terminal is sent to a service provider through a plurality of IP networks different from each other in protocol and the service is supplied to the terminal through the utilization of an IP packet transmitted from the service provider to the plurality of IP networks, said network system comprising packet exchange means that is provided between the plurality of IP networks and functions to convert the format of the IP packet, to be sent, so as to match the format of the IP network as a send destination.

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