
The firmware of devices is updated through communication from ① to ④
indicated in the diagram in the above. Individual communication is
explained in the following.
① Remote Communication Gate initiates communication.
② Communication server requests Remote Communication Gate for the
firmware update of target devices via HTTPS communication. (Target
devices, date of update)
③ When the date of update is reached, Remote Communication Gate
acquires the firmware data from Global Server via HTTPS.
④ Remote Communication Gate notifies the result of the firmware
update to the Communication server via HTTPS communication.
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