Technion R&D Foundation Assigned Patent

Technion Research and Development Foundation Limited, Haifa, Israel, has been assigned a patent (9,811,268) developed by Schuster, Assaf, Amit, Nadav, and Tsafrir, Dan, Haifa, Israel, for a “memory swapper for virtualized environments.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method for reducing disk read rate by managing data set mapping of virtual machine, (VM) guest memory, comprising: monitoring a plurality of disk read write operations of a VM guest, updating a dataset mapping between disk blocks allocated to the VM guest and corresponding physical addresses of memory pages of the VM guest containing replica of data stored in the disk blocks, based on the plurality of disk read write operations, when identifying writing to one of the memory pages, removing a mapping of corresponding disk block and corresponding physical address of memory page, when reclaiming a mapped memory page of the VM guest by a host of the VM guest, discarding data contained in the memory page, and when the data is requested by the VM guest after it was reclaimed by said host, retrieving the data from corresponding disk block according to the mapping.”

The patent application was filed on February 16, 2015 (15/119,777).