Patents by Inventor James R. H. Challenger

James R. H. Challenger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for coordinated hierarchical caching and cache replacement
    Publication number: 20020035672
    Abstract: A system and method for hierarchically caching objects includes one or more level 1 nodes, each including at least one level 1 cache; one or more level 2 nodes within which the objects are permanently stored or generated upon request, each level 2 node coupled to at least one of the one or more level 1 nodes and including one or more level 2 caches; and means for storing, in a coordinated manner, one or more objects in at least one level 1 cache and/or at least one level 2 cache, based on a set of one or more criteria.
    Type: Application
    Filed: November 6, 2001
    Publication date: March 21, 2002
    Applicant: International Business Machines Corporation
    Inventors: James R.H. Challenger, Paul Michael Dantzig, Daniel Manuel Dias, Arun Kwangil Iyengar, Eric M. Levy-Abegnoli
  • System and method for coordinated hierarchical caching and cache replacement
    Patent number: 6338117
    Abstract: A system and method for hierarchically caching objects includes one or more level 1 nodes, each including at least one level 1 cache; one or more level 2 nodes within which the objects are permanently stored or generated upon request, each level 2 node coupled to at least one of the one or more level 1 nodes and including one or more level 2 caches; and a storage control device for storing, in a coordinated manner, one or more objects in at least one level 1 cache and/or at least one level 2 cache, based on a set of one or more criteria.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: January 8, 2002
    Assignee: International Business Machines Corporation
    Inventors: James R. H. Challenger, Paul Michael Dantzig, Daniel Manuel Dias, Arun Kwangil Iyengar, Eric M. Levy-Abegnoli