Abstract: An information processing apparatus detecting presence or absence of abnormality of a vacuum pump derived from a product produced within a target vacuum pump, including: a determination unit configured to determine a normal variation range or a normal time variation behavior of a target state quantity which is a state quantity varying depending on a load of gas flowing into the vacuum pump, based on at least one of past target state quantities of the target vacuum pump or another vacuum pump; and a comparison unit configured to compare a current target state quantity of the target vacuum pump with the normal variation range or the normal time variation behavior and output the comparison result.

Abstract: An information processing apparatus detecting presence or absence of abnormality of a vacuum pump derived from a product produced within a target vacuum pump, including: a determination unit configured to determine a normal variation range or a normal time variation behavior of a target state quantity which is a state quantity varying depending on a load of gas flowing into the vacuum pump, based on at least one of past target state quantities of the target vacuum pump or another vacuum pump; and a comparison unit configured to compare a current target state quantity of the target vacuum pump with the normal variation range or the normal time variation behavior and output the comparison result.

Abstract: A communication system according to the present disclosure includes: a required band calculation unit (12, 41) configured to calculate a required band for a plurality of flows received by a bridge apparatus (3), in which, for a flow including burst data among the plurality of flows, the required band calculation unit (12, 41) calculates the required band for the flow based on a data size of the burst data and an allowable delay of the flow; and a speed ratio calculation unit (32, 43) configured to calculate a relative ratio of communication speeds of the plurality of flows based on the required band for the plurality of flows. The bridge apparatus (3) transfers the plurality of flows to a data receiving apparatus (2) according to the relative ratio of the communication speeds.

Abstract: A communication system according to the present disclosure includes: a required band calculation unit (12, 41) configured to calculate a required band for a plurality of flows received by a bridge apparatus (3), in which, for a flow including burst data among the plurality of flows, the required band calculation unit (12, 41) calculates the required band for the flow based on a data size of the burst data and an allowable delay of the flow; and a speed ratio calculation unit (32, 43) configured to calculate a relative ratio of communication speeds of the plurality of flows based on the required band for the plurality of flows. The bridge apparatus (3) transfers the plurality of flows to a data receiving apparatus (2) according to the relative ratio of the communication speeds.

Abstract: In order to enable to control a transmission data amount within an appropriate range by an easier method, and achieve throughput improvement, shortening of delay, and suppression of packet retransmission in all communication resources, a data transmission method includes: estimating a congestion degree of at least a part of communication sessions in which a communication resource to be used in an own session to be used in transmission of transmission data is shared, based on communication quality being measurable a data transmission device and relating to the transmission of the transmission data, determining a transmission data amount, based on the congestion degree of the communication session, and performing the transmission of the transmission data, based on the transmission data amount.

Abstract: A communication control apparatus includes: a first communication processing section configured to receive one or more packets from a transmitting apparatus, the one or more packets being transmitted from the transmitting apparatus to a receiving apparatus and being unable to be generated and modified at a relay point; and a second communication processing section configured to transmit the one or more packets to the receiving apparatus, wherein the second communication processing section receives, from the receiving apparatus, one or more acknowledgement packets for the one or more packets, the one or more acknowledgement packets being unable to be generated and modified at a relay point, and wherein the first communication processing section transmits the one or more acknowledgement packets to the transmitting apparatus, the communication control apparatus further including a control section configured to control the one or more packets or the one or more acknowledgement packets.

Abstract: The present invention relates to a vacuum evacuation system used to evacuate a processing gas from one or more process chambers for use in, for example, a semiconductor-device manufacturing apparatus. The vacuum evacuation system is a vacuum apparatus for evacuating a gas from a plurality of process chambers (1). The vacuum evacuation system includes a plurality of first vacuum pumps (5) coupled to the plurality of process chambers (1) respectively, a collecting pipe (7) coupled to the plurality of first vacuum pumps (5), and a second vacuum pump (8) coupled to the collecting pipe (7).

Abstract: In order to enable controlling a transmit data volume within a proper range depending on variations in a communication environment, suppressing deterioration in utilization efficiency of a transmission bandwidth, and improving user perceived quality, a transmit data volume control method according to an exemplary aspect of the invention includes: acquiring a communication quality of a network, estimating a congestion degree of the network, determining a target congestion degree being a target of the congestion degree, based on the communication quality, and determining a transmit data volume, based on the congestion degree and the target congestion degree.

Abstract: In order to enable controlling a transmit data volume within a proper range depending on variations in a communication environment, suppressing deterioration in utilization efficiency of a transmission bandwidth, and improving user perceived quality, a transmit data volume control method according to an exemplary aspect of the invention includes: acquiring a communication quality of a network, estimating a congestion degree of the network, determining a target congestion degree being a target of the congestion degree, based on the communication quality, and determining a transmit data volume, based on the congestion degree and the target congestion degree.

Abstract: In order to enable to control a transmission data amount within an appropriate range by an easier method, and achieve throughput improvement, shortening of delay, and suppression of packet retransmission in all communication resources, a data transmission method includes: estimating a congestion degree of at least a part of communication sessions in which a communication resource to be used in an own session to be used in transmission of transmission data is shared, based on communication quality being measurable a data transmission device and relating to the transmission of the transmission data, determining a transmission data amount, based on the congestion degree of the communication session, and performing the transmission of the transmission data, based on the transmission data amount.

Abstract: A vacuum evacuation system which can prevent an increase in pressure in one process chamber when evacuating an atmospheric-pressure gas from another process chamber is disclosed. The vacuum evacuation system can be used for evacuating a gas from a plurality of process chambers. The vacuum evacuation system includes: first vacuum pumps; buffer tanks coupled to the first vacuum pumps, respectively; a second vacuum pump; and a collecting pipe providing a communication between the first vacuum pumps and the second vacuum pump.

Abstract: An information processing apparatus detecting presence or absence of abnormality of a vacuum pump derived from a product produced within a target vacuum pump, including: a determination unit configured to determine a normal variation range or a normal time variation behavior of a target state quantity which is a state quantity varying depending on a load of gas flowing into the vacuum pump, based on at least one of past target state quantities of the target vacuum pump or another vacuum pump; and a comparison unit configured to compare a current target state quantity of the target vacuum pump with the normal variation range or the normal time variation behavior and output the comparison result.

Abstract: Provided is a radio base station, etc. that realize transmission control in view of QoE. According to a first aspect of the present invention, there is provided a radio base station that receives a packet(s) transmitted from a packet transmission apparatus via a network and transmits the received packet(s) to a wireless terminal(s), the radio base station including: acquisition means that acquires a packet type(s) or a packet identifier(s) set in the packet(s) by the packet transmission apparatus; and control means that performs transmission control to change a transmission order of the packet(s) based on the packet type(s) or the packet identifier(s).

Abstract: To provide a data transmission device for effectively improving throughput (transmission efficiency) regardless of whether a physical bandwidth in a network varies frequently; the data transmission device for transmitting data to a user terminal via a network and controlling subsequent transmitting operations by correlating delay of a packet pertaining to this transmission with network information includes: a variation detection circuit that detects, on the basis of the delay and the network information, that a minimum value of the delay has increased; and an alteration processing circuit that calculates, when the increase is detected by the variation detection circuit, the increased minimum delay value by using data pertaining to a specific packet, and updating a current minimum delay value with the calculated value.

Abstract: The purpose of the present invention is to appropriately detect propagation delay and the like (minimum delay value) in order to appropriately control a transmission rate of information. Upon input of a measured value of delay that is smaller than a value set as a minimum delay value, a minimum value setting unit (2) updates the set minimum delay value to the measured value of the delay. Delay refers to the time from transmission of information to arrival at the destination thereof, or the round trip time from transmission of information to receipt of reply information from the destination receiving the information by the originator. A timing determination unit (3) determines a review timing for reviewing the set minimum delay value on the basis of the measured value of the delay. A minimum value review unit (4) updates (reviews) the set minimum delay value at the determined review timing.

Abstract: A data transmission device, method, and program therefor that effectively increase throughput even when a delay increase occurs due to a cause other than congestion in the network. The data transmission device (11) is provided with a transmission unit (60) which transmits to a user terminal (30) data requested over a network (20). The data transmission device includes a transmission rate control element (51C) which controls the transmission rate on the basis of the degree of congestion detected by a congestion detection element (51B) during delay measurement by a delay measurement processing unit (40), and a reference value correction processing element (51D) which temporarily corrects the detection criteria used by the congestion detection element; when it has been determined that the delay has increased due to a cause other than congestion. This reference value correction element increases the accuracy of detection processing by the congestion detection element, thereby improving throughput.

Abstract: A gateway apparatus connected to another different network. The gateway apparatus includes: extraction unit that extracts first information set in a first packet(s) that has been received from a relay apparatus relaying a packet(s) between the gateway apparatus and a terminal or from a node arranged in the different network; setting unit that sets, based on the first information, second information in a second packet(s) in a protocol(s) in a layer(s) different from a layer(s) of a protocol(s) of the first packet(s); and forwarding unit that forwards the second packet(s) in which the second information is set to the node or to the relay apparatus.

Abstract: A data transmission device, method, and program therefor that effectively increase throughput even when a delay increase occurs due to a cause other than congestion in the network. The data transmission device (11) is provided with a transmission unit (60) which transmits to a user terminal (30) data requested over a network (20). The data transmission device includes a transmission rate control element (51C) which controls the transmission rate on the basis of the degree of congestion detected by a congestion detection element (51B) during delay measurement by a delay measurement processing unit (40), and a reference value correction processing element (51D) which temporarily corrects the detection criteria used by the congestion detection element; when it has been determined that the delay has increased due to a cause other than congestion. This reference value correction element increases the accuracy of detection processing by the congestion detection element, thereby improving throughput.

Abstract: Provided is a radio base station, etc. that realize transmission control in view of QoE. According to a first aspect of the present invention, there is provided a radio base station that receives a packet(s) transmitted from a packet transmission apparatus via a network and transmits the received packet(s) to a wireless terminal(s), the radio base station including: acquisition means that acquires a packet type(s) or a packet identifier(s) set in the packet(s) by the packet transmission apparatus; and control means that performs transmission control to change a transmission order of the packet(s) based on the packet type(s) or the packet identifier(s).

Abstract: The present invention relates to a vacuum evacuation system used to evacuate a processing gas from one or more process chambers for use in, for example, a semiconductor-device manufacturing apparatus. The vacuum evacuation system is a vacuum apparatus for evacuating a gas from a plurality of process chambers (1). The vacuum evacuation system includes a plurality of first vacuum pumps (5) coupled to the plurality of process chambers (1) respectively, a collecting pipe (7) coupled to the plurality of first vacuum pumps (5), and a second vacuum pump (8) coupled to the collecting pipe (7).