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Method and system for virtual network administration with a data-over cable system

  • US 6,577,642 B1
  • Filed: 01/15/1999
  • Issued: 06/10/2003
  • Est. Priority Date: 01/15/1999
  • Status: Expired due to Term
First Claim
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1. In a data-over-cable system including a plurality of network devices, a method for providing virtual network administration, comprising the following steps:

  • receiving a plurality of first messages on a second network device on a data-over-cable system from a plurality of first network devices, wherein selected first messages from selected first network devices include a virtual networking tag and a network address, wherein the virtual networking tag is used to request a desired networking service on a virtual network, and wherein the network address is assigned to a first network device by a network other than the data-over-cable system;

    determining whether a first message includes a virtual networking tag and a network address, and if so, storing the network address and the virtual networking tag in virtual networking table associated with the second network device;

    grouping one or more of the network addresses into a virtual network indicated by a virtual networking tag, wherein the virtual networking tag allows the second network device to provide selected first network devices a desired networking service on the virtual network via the data-over-cable system.

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