Control device, control system, control method, and control program
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United States of America Patent
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Jan 15, 2019
Grant Date -
Aug 10, 2017
app pub date -
Aug 26, 2015
filing date -
Sep 1, 2014
priority date (Note) -
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Abstract
A cloud controller performs, when an attack on a VM in any of data centers in a system is detected, setting of NAT of a private IP address of a VM(A), for a boundary router of each data center other than a data center that the VM(A) belongs to, the VM(A) being a victim. Next, the cloud controller performs setting for a redirecting device in the same data center as the VM(A), such that the redirecting device redirects access from a user terminal to a host under a boundary router of any of the respective data centers other than the data center. Thereafter, the cloud controller changes a private IP address of the VM(A) in a NAT setting of a boundary router of the data center to a private IP address of the redirecting device.
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