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Domain isolation through virtual network machines

  • US 8,713,153 B2
  • Filed: 09/14/2012
  • Issued: 04/29/2014
  • Est. Priority Date: 12/24/1998
  • Status: Expired due to Term
First Claim
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1. A method performed by a single network device communicatively coupled with a plurality of end stations, comprising:

  • authenticating, using an authentication, authorization and accounting (AAA) protocol, a plurality of users based upon a plurality of records, wherein the plurality of users utilize the plurality of end stations, wherein each of the plurality of records comprises information indicating which of a plurality of virtual routers the respective end station is to be currently coupled to, wherein the single network device comprises the plurality of virtual routers that share a set of physical resources of the single network device, and wherein each of the plurality of virtual routers belongs to a different one of a plurality of virtual private networks; and

    communicatively coupling, within the single network device, different ones of the plurality of end stations with different ones of the virtual routers based on the information obtained using the AAA protocol during said authenticating.

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