Title:
METHOD FOR UPDATING REDUNDANCY SYSTEM, REDUNDANCY SYSTEM, AND UPDATE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/112112
Kind Code:
A1
Abstract:
An update control device (100) for a redundancy system (300) causes applications to be updated, the applications being installed in virtual machines (211, 212) that respectively belong to a stack (201) and a stack (202) indicating groups of instances of virtual resources. The update control device (100) executes a creation step for generating virtual machines (215, 216) that correspond to the stacks (201, 202) and include stacks (205, 206) in which new applications are stored, and a change step for sequentially performing processes for changing a stack indicating a secondary interface linked to the stacks (205, 206) to a stack (203, 204).
Inventors:
SHINOHARA KENTA (JP)
NAKAZAWA SUSUMU (JP)
SAWAZAKI FUMIHIKO (JP)
AKAMATSU YUKI (JP)
NAKAZAWA SUSUMU (JP)
SAWAZAKI FUMIHIKO (JP)
AKAMATSU YUKI (JP)
Application Number:
PCT/JP2021/045939
Publication Date:
June 22, 2023
Filing Date:
December 14, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06F11/14; G06F8/656; G06F9/455
Foreign References:
| JP2015032301A | 2015-02-16 | |||
| JP2016085663A | 2016-05-19 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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