US Patent No. 9,384,007

MEMORY VIRTUALIZATION-BASED SNAPSHOT BOOT APPARATUS AND METHOD


Patent No. 9,384,007
Issue Date July 05, 2016
Title Memory Virtualization-based Snapshot Boot Apparatus And Method
Inventorship Dong-Wook Kang, Daejeon (KR)
Assignee ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)

Claim of US Patent No. 9,384,007

1. A memory virtualization-based snapshot boot apparatus, comprising:
a hardware unit including a processor, a memory, and a storage, the storage storing status information corresponding to an
operating system; and

a Virtual Machine Monitor (VMM) operated by the processor and configured to operate the operating system by loading the status
information into the memory,

wherein the status information is stored as a snapshot image, the snapshot image being classified and stored depending on
types of the status information,

wherein the virtual machine monitor comprises a determination unit for determining whether a header of the snapshot image
is valid or not and a loading unit for, if it is determined by the determination unit that the snapshot image header is valid,
loading the snapshot image, and

wherein the loading unit classifies and loads the snapshot image depending on the types of the status information.