US Patent No: 5,787,250

Number of patents in Portfolio can not be more than 2000

Program product for managing membership of a group of processors in a distributed computing environment

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Abstract

Program product for managing membership of a group of processors in a distributed computing environment. Specific actions are identified and performed in order to manage the group membership. A processor requests to join the group of processors and thus, is added to the group. Similarly, processors may request to leave the group or may fail and then are removed from the group. The group of members also receives multicasts initiated from one member of the group to other members of the group. Additionally, each group of processors within a distributed computing environment has a group leader that controls the actions being performed for the group of members.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INTERNATIONAL BUSINESS MACHINES CORPORATIONARMONK, NY68180

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Badovinatz, Peter Richard Kingston, NY 24 500
Chandra, Tushar Deepak New York, NY 30 732
Gopal, Ajei Sarat Riverdale, NY 21 578
Kirby, Orvalle Theodore Pleasant Valley, NY 25 484
Pershing, Jr John Arthur Buchanan, NY 23 527

Cited Art

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
4,569,015 Method for achieving multiple processor agreement optimized for no faults 41 1983
4,644,542 Fault-tolerant atomic broadcast methods 29 1984
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
4,718,002 Method for multiprocessor communications 73 1985
 
HITACHI, LTD. (1)
5,649,102 Distributed shared data management system for controlling structured shared data and for serializing access to shared data 52 1994

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
5,896,503 Managing membership of a domain of processors in a distributed computing environment 40 1996
6,490,693 Dynamic reconfiguration of a quorum group of processors in a distributed computing system 18 1999
6,487,678 Recovery procedure for a dynamically reconfigured quorum group of processors in a distributed computing system 15 1999
 
MICROSOFT CORPORATION (2)
7,139,790 Weak leader election 2 2000
6,961,763 Automation system for controlling and monitoring devices and sensors 47 2000
 
CRICKET COMMUNICATIONS, INC. (1)
6,023,729 Method and apparatus for match making 77 1997