CPC G06Q 10/0833 (2013.01) [G06Q 10/20 (2013.01); H04W 4/70 (2018.02)] | 15 Claims |
1. A method performed by a first device in a machine-to-machine (M2M) system, the method comprising:
receiving, from a third device, a first message for requesting registration of at least one resource related to a second device including a plurality of parts, the first message including information on replacement conditions for one or more parts of the second device;
generating and registering, by the first device, the at least one resource comprising information on the plurality of parts;
transmitting, to the second device, a second message for recommending replacement of a first part of the plurality of parts if a replacement condition for the first part is satisfied;
receiving, from the second device, a third message indicating replacement of the first part;
transmitting, to the second device, an acknowledgement message including a first security key;
receiving, from the second device, a part replacement result including information on replacement of the first part and a second security key;
authenticating the second device based on whether the second security key is identical to the first security key and updating a resource of the first part based on the part replacement result; and
transmitting, to the second device, a fourth message notifying that the resource of the first part is updated.
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