Method and system for licensing program management within a dist

Details Method and system for licensing program management within a dist Method and system for licensing program management within a dist

1995-12-15

1998-05-12

Shin, Christopher B.

Cryptography

Key management

Having particular key generator

39520055, 39518701, 395208, 380 4, 380 25, H04L 900

Patent

active

057520410

ABSTRACT:
A method and system for managing utilization of licensed program within a distributed data processing system having a number of local systems which minimizes the amount of network communication traffic required for such management. Each permitted use of a licensed program by a distributed data processing system is indicated by a use token which may be transferred to selected systems throughout the distributed data processing system. These use tokens are then periodically redistributed throughout the distributed data processing system in response to a requested usage by a particular system within the distributed data processing system. A use token transferred to a particular system is then maintained at that system upon completion of the usage until such time as a request for usage of the licensed program requires transfer of the use token to another system. In this manner the use tokens are effectively distributed throughout the distributed data processing system such that those systems most likely to request usage of the licensed program will maintain possession of the use tokens, minimizing network communication traffic.

REFERENCES:
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patent: 5023907 (1991-06-01), Johnson et al.
patent: 5343526 (1994-08-01), Lassers
patent: 5375206 (1994-12-01), Hunter et al.
patent: 5390297 (1995-02-01), Barber et al.
patent: 5438508 (1995-08-01), Wyman
patent: 5579222 (1996-11-01), Bains et al.

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