Research Foundation for State University of New York Assigned Patent

The Research Foundation for the State University of New York, Albany, NY, has been assigned a patent (9,355,109) developed by Archak, Shrikar, Bangalore, India, Dixit, Sagar, Pune, MH, Spillane, Richard P., Clifton Park, NY, and Zadok, Erez, Stony Brook, NY, for a “multi-tier caching.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method for maintaining an index in multi-tier data structure includes providing a plurality of a storage devices forming the multi-tier data structure, caching an index of key-value pairs across the multi-tier data structure, wherein each of the key-value pairs includes a key, and one of a data value and a data pointer, the key-value pairs stored in the multi-tier data structure, providing a journal for interfacing with the multi-tier data structure, providing a plurality of zone allocators recording which zones of the multi-tier data structure are in used, and providing a plurality of zone managers for controlling access to cache lines of the multi-tier data structure through the journal and zone allocators, wherein each zone manager maintains a header object pointing to data to be stored in an allocated zone.“

The patent application was filed on June 13, 2011 (13/159,039).