JP2001223714A5 - - Google Patents

Claims (10)

A control signal is sent to the first device when the amount of data from the first device exceeds a predetermined amount of data, and is connected to the first device via a transmission medium. A second device for transmitting and a third device, wherein the first device interrupts transmission of data for a predetermined time after receiving the control signal; A network system characterized by transmitting data scheduled to be transmitted to the second device to the third device when the number of times the control signal is received exceeds a predetermined frequency. The network system according to claim 1, further comprising: a terminal connected to the first device via a transmission medium, wherein the first device is connected to the second device according to an instruction from the terminal. A network system for transmitting data to be transmitted to the third device. A first device provided on the first floor, a second device provided on the second floor, and each of the first device or the second device connected via a transmission medium, A control signal is transmitted for each of the first device and the second device, and the amount of data from the first device or the second device is set for each of the first device or the second device. A third device that controls the amount of bandwidth, and network monitoring that is connected to the first device via a transmission medium and displays the number of transmissions of control signals to each of the first device and the second device A local area network system. 4. The local area network system according to claim 3, further comprising: a plurality of terminals connected to each of the first device or the second device, wherein the first device or the second device includes the plurality of terminals. A control signal is transmitted to each of the terminals, and the amount of data from the plurality of terminals is controlled to a bandwidth amount set for each of the plurality of terminals. Alternatively, the local area network system is connected to each of the second devices via a transmission medium and displays the number of transmissions of control signals to each of the plurality of terminals. A data relay method for relaying data sent from each of a plurality of subscribers to a network, wherein a predetermined value of the amount of data relayed to the network, and each of the plurality of subscribers requests If the amount of data sent from the plurality of subscribers is equal to or greater than the predetermined value, the amount of data sent from each of the plurality of subscribers is set as the amount of requested data. A data relay method characterized by reducing the lower limit. 6. The data relay method according to claim 5, wherein when the amount of data transmitted from the plurality of subscribers is equal to or less than the predetermined value, each of the plurality of subscribers exceeds the requested data amount. Relaying data to be transmitted to the network. 6. The data relay method according to claim 5, wherein the request data amount is urged to the plurality of subscribers and the request data amount request is received from the plurality of subscribers. A data relay method characterized in that setting is performed. 6. The data relay method according to claim 5, wherein when the amount of data transmitted from the plurality of subscribers is equal to or greater than the predetermined value, data is transmitted in an amount exceeding the requested data amount among the plurality of subscribers. A data relay method characterized in that a subscriber to be identified is identified and the amount of data from the identified subscriber is reduced with the requested data amount as a lower limit. A data relay device that relays data sent from each of a plurality of subscribers to a network, wherein a predetermined value of the amount of data relayed to the network, and each of the plurality of subscribers requests Setting means for setting a requested data amount to be transmitted, and when the amount of data sent from the plurality of subscribers is equal to or greater than the predetermined value, the amount of data sent from each of the plurality of subscribers is set to And a control means for reducing the value as a lower limit. A plurality of subscriber devices, and a relay device that relays data sent from the plurality of subscriber devices to a network. A predetermined value of the amount of data relayed to the network and a requested data amount requested by each of the plurality of subscribers are set, and the amount of data transmitted from the plurality of subscriber devices is equal to or greater than the predetermined value In some cases, the data relay system is characterized in that the amount of data transmitted from each of the plurality of subscriber devices is reduced with the requested data amount as a lower limit.