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Isolation of communication contexts to facilitate communication of data

  • US 7,159,111 B1
  • Filed: 01/29/2001
  • Issued: 01/02/2007
  • Est. Priority Date: 01/29/2001
  • Status: Active Grant
First Claim
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1. A system to facilitate secure communication of data from a user-level process, comprising:

  • at least a first queue associated with a first process, such that the process is operative to directly communicate a message relative to the first queue; and

    a first communication context operative to communicate the message between the first queue and a second communication context;

    wherein communication between the first queue and the first communications context is controlled based on whether an appropriate association exists between the first queue and the first communications context, the association between the first queue and the first communications context being provided through a privileged operation not adjustable by the first process, the association between the first queue and the first communication context requires membership to a common domain.

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