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Location privacy for internet protocol networks using cryptographically protected prefixes

  • US 7,916,739 B2
  • Filed: 05/20/2004
  • Issued: 03/29/2011
  • Est. Priority Date: 06/24/2003
  • Status: Expired due to Fees
First Claim
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1. A network comprising:

  • a plurality of interconnected routers;

    wherein data is transmitted over said network through said interconnected routers;

    said data including an address, said address identifying at least a logical location of a destination of said data;

    wherein said address is divided into a plurality of pieces and at least a subset of said plurality of pieces are encrypted, and wherein said interconnected routers transmit said data along routes within said network based on decrypting different ones of said encrypted pieces at different points along each of said routes, and wherein address is divided at least in part by an aggregation of routers within a routing domain tree, wherein said routing domain tree is representative of the interconnections between said plurality of interconnected routers, said aggregation occurring to a plurality of routers which share a common parent route.

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