Abstract: An electronic device includes: a communication unit which communicates with an information server that stores predetermined information, a plurality of address-offering servers that store IP addresses existing in a network and provide any one of the stored IP addresses, and a management server that includes area information on the network where the information server is located; and a controller which performs a request for an IP address of the information server for the use of information stored in the information server from the plurality of address-offering servers and the management server, checks whether the provided IP address can be used to the plurality of the address-offering servers and the management servers if one of the plurality of address-offering servers provides the IP address of the information server, and controls the communication unit to receive the information from the information server based on the IP address if a positive response signal for the use of the IP address is received from

Abstract: An electronic device includes: a communication unit which communicates with an information server that stores predetermined information, a plurality of address-offering servers that store IP addresses existing in a network and provide any one of the stored IP addresses, and a management server that includes area information on the network where the information server is located; and a controller which performs a request for an IP address of the information server for the use of information stored in the information server from the plurality of address-offering servers and the management server, checks whether the provided IP address can be used to the plurality of the address-offering servers and the management servers if one of the plurality of address-offering servers provides the IP address of the information server, and controls the communication unit to receive the information from the information server based on the IP address if a positive response signal for the use of the IP address is received from

Abstract: The present invention discloses a remote control and management system comprising a remote management unit for registering remote sites, connection setting and system setting and managing by being interacting with a local terminal which is connected with a plurality of monitoring devices for monitorng the remote site, a remote monitoring unit for outputting audio/video data input from the monitoring devices, and event detecting unit for analyzing the monitored data transmitted from the monitoring devices, generating an event and reporting event occurrenct to the remote management unit and the remote monitoring unit, and a remote retrieving unit for retrieving and outputting the audio/video data corresponding to the event.