Underwater network management system and operation method thereof

An operation method of an underwater network management system, the operation method comprising:

• receiving, by a gateway included in the underwater network management system, a request message from a management station;
• receiving a response message including information related to the request message from at least one of a plurality of underwater devices connected to the gateway;
• and
• transmitting a response message including information included in at least one received response message to the management station,
• wherein information related to the request message corresponds to at least one managed object related to the request message from among a plurality of managed objects included in an underwater management information base of each of the plurality of underwater devices
• wherein the plurality of underwater devices comprise:
• a master agent corresponding to an underwater device connected to the gateway from among the plurality of underwater devices;
• and
• a sub agent corresponding to an underwater device connected to the master agent,
• wherein the gateway transmits the request message received from the management station to the master agent,
• wherein the master agent transmits the request message to the sub agent, receives a first response message including at least one first managed object related to the request message from the sub agent, and transmits a second response message including the at least one first managed object included in the received first response message and at least one second managed object related to the request message from among managed objects of the master agent to the gateway, and
• wherein the gateway transmits a third response message including the at least one first managed object and the at least one second managed object included in the second response message received from the master agent to management station.