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License management system

  • US 6,574,612 B1
  • Filed: 06/29/1999
  • Issued: 06/03/2003
  • Est. Priority Date: 02/19/1999
  • Status: Expired due to Term
First Claim
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1. In a network comprising a plurality of license servers, a license management system for allowing a concurrent use of a maximum number n of copies of a software program, each client workstation requiring an authorisation from one of the license servers for using the software program, the license management system requiring that at least an integer majority of the plurality of license servers in the cluster is active at any time, the license management system comprising:

  • means for allowing an increase or decrease in the number of license servers;

    means for limiting the number of the plurality of license servers with respect to an initial number S so that the integer majority of a minimum number s1 of servers in the cluster plus the integer majority of the maximum number s2 of servers in the cluster is strictly greater than the maximum number s2 of servers in the cluster is strictly greater than the maximum number s2 of servers in the cluster; and

    wherein n, s1, s2 are positive integers.

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