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Method for constructing a VPN having an assured bandwidth

  • US 6,092,113 A
  • Filed: 08/28/1997
  • Issued: 07/18/2000
  • Est. Priority Date: 08/29/1996
  • Status: Expired due to Fees
First Claim
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1. A method for constructing a virtual private network (VPN) having assured bandwidth comprising:

  • constructing an IP tunnel between routers connected with the INTERNET;

    reserving a desired bandwidth of the IP tunnel by setting-up a resource protocol on the IP tunnel;

    scheduling a future reservation time period in which the bandwidth reservation will occur; and

    managing the IP tunnel during the reservation time period with said bandwidth reservation step to assure the bandwidth with the resource protocol wherein, as a traffic control of the routers on the IP tunnel, a frequency for sending packets, which are processed by an input processor and an output processor inside of the routers, is allotted based on a ratio of the reserved bandwidth in the IP tunnel.

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