Parallels International Assigned Two Patents

Creating virtual machine snapshots without interfering with active user sessions
Parallels International GmbH, Schaffhausen, Switzerland, has been assigned a patent (11816347) developed by Ovchinnikov, Iurii, Koryakin, Alexey, Lamtsov, Denis, Dobrovolskiy, Nikolay, Moscow, Russia, and Beloussov, Serguei M., Singapore, Singapore, for “creating virtual machine snapshots without interfering with active user sessions.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Systems and methods for creating virtual machine snapshots. An example method comprises: receiving a request to create a snapshot of a virtual machine running on a host computer system, protecting from modification a plurality of virtual memory pages of the virtual machine, responsive to detecting an attempt to modify a virtual memory page of the plurality of memory pages, copying the virtual memory page to a queue residing in a random access memory (RAM) of the host computer system, making the virtual memory page writable, retrieving the virtual memory page from the queue, writing the virtual memory page to a disk of the host computer system, and responsive to exhausting the queue, completing creation of the snapshot of the virtual machine.”

The patent application was filed on 2022-07-11 (17/811644).

File access service
Parallels International GmbH, Schaffhausen, Switzerland, has been assigned a patent (11805172) developed by Zelenov, Anton, Moscow, Russia, for a “file access service.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Systems and methods for facilitating access to files that are stored by network-accessible file storage services. An example system comprises a plurality of file access nodes including a control node, wherein the control node is configured to: receive a file access request initiated by a client, wherein the file access request comprises an identifier of a file, an identifier of a file storage service, and an access token associated with the file stored by the file storage service; request, using the access token, metadata associated with the file from the file storage service; define, using the metadata, a plurality of portions forming the file; and forward, to the plurality of file access nodes, identifiers of the plurality of portions.”

The patent application was filed on 2022-10-06 (17/961118).