Patent application number | Description | Published |
20100049460 | QUALITY DEGRADATION POINT ESTIMATING SYSTEM AND QUALITY DEGRADATION POINT ESTIMATING METHOD - A quality degradation point estimating method for estimating a quality degradation point in a directed link set through which a communication flow passed is provided. The quality degradation point estimating method has: (A) determining a test flow set for estimating a quality degradation point; and (B) estimating the quality degradation point in the directed link set by sending the test flow set to the network. The (A) step includes a step of setting the flow, which passes through a partial set as a part of the directed link set, as the test flow and adding the set test flow to the test flow set. The test flow is sent from the test terminal on the network to a predetermined node in the partial set. A response is obtained at the predetermined node, and the response is sent from the predetermined node to a predetermined terminal. | 02-25-2010 |
20100150029 | TOPOLOGY SPECIFYING METHOD AND TOPOLOGY SPECIFYING APPARATUS - A topology specifying apparatus | 06-17-2010 |
20110216673 | TOPOLOGY DETECTION METHOD AND TOPOLOGY DETECTION APPARATUS - A topology detection apparatus includes, in a network having a tree-type topology: a route overlap judgment part that judges an existence or non-existence of an overlap between: a first route between terminals whose connection position are known; and a second route between a terminal whose connection position is known and a terminal whose connection position is unknown; and a topology detection part which determines the network topology based on the existence or non-existence of the first route and the second route. | 09-08-2011 |
20120063493 | TRANSMISSION RATE CONTROL METHOD, TRANSMISSION UNIT, AND COMMUNICATION SYSTEM - A transmission unit includes: transmission rate control means for controlling a transmission rate; first transmission error detecting means for detecting data loss caused due to congestion in a transmission network; and second transmission error detecting means for detecting data loss (for example, packet loss) caused due to data error in the communication network. In the transmission unit, the transmission rate control means controls the transmission rate separately for a case where the first transmission error detecting means has detected data loss and a case where the second transmission error detecting means has detected data loss caused due to data error. | 03-15-2012 |
20120230671 | COMMUNICATION DATA TRANSMISSION EQUIPMENT, A COMMUNICATION DATA TRANSMISSION SYSTEM, A COMMUNICATION DATA TRANSMISSION METHOD AND A COMMUNICATION DATA TRANSMISSION PROGRAM - Even in a network system including a transmission line of which dominant cause of delay is a transmission line delay, controlling communication speed of the network system as a whole efficiently and suppressing the delay is made possible. | 09-13-2012 |
20120314576 | HIGH-SPEED COMMUNICATION SYSTEM AND HIGH-SPEED COMMUNICATION METHOD - A high-speed communication system according to the present invention includes: a plurality of nodes disposed on a communication path; and a plurality of communication connections established between the plurality of nodes. The plurality of nodes exchange a plurality of pieces of performance model information between the nodes, the plurality of pieces of performance model information representing communication performances achievable by each of the plurality of communication connections. Each of the plurality of nodes executes communication control based on any one of the plurality of pieces of performance model information. | 12-13-2012 |
20130295784 | ELECTRICAL CONNECTOR ASSEMBLED COMPONENT, PLUG CONNECTOR, AND RECEPTACLE CONNECTOR - An electrical connector assembled component includes a plug connector and a receptacle connector. The receptacle connector includes a plurality of mating terminals having receptacle contact portions and a receptacle housing. The plug connector includes a plurality of terminals having plug contact portions and a plug housing. The plug housing includes a fitting portion. The terminals include an edge terminal disposed on one end portion of the fitting portion. The edge terminal includes a plug side plate portion, a plug edge plate portion, and a locking portion. The mating terminals include an edge mating terminal disposed on one end portion of the receptacle housing. The edge mating terminal includes a receptacle side plate portion, a receptacle edge plate portion, and a locked portion formed on the receptacle edge plate portion for engaging with the locking portion. | 11-07-2013 |
20140355472 | COMMUNICATION SYSTEM, COMMUNICATION METHOD AND DATA RECEIVING TERMINAL - A communication system includes a data sending terminal which sends data and a data receiving terminal which sends an acknowledgement, which indicates that the data is received, to the data sending terminal in reply to receiving the data, and the data receiving terminal includes a unit which judges whether it is necessary to resend the acknowledgement on the basis of judgment whether the data receiving terminal receives new data from the data sending terminal within a predetermined time since sending the acknowledgement. | 12-04-2014 |