Yamaha Corporation

Ryota Hirose

Tsuneyuki Koikeda

Kazurou Tanaka

Hisashi Hirano

Mitsuhiro Onoda

A register stores the earliest time (IRL) at which a packet can be subsequently transmitted from a transmitting device in order to obey an allowable bandwidth given to the transmitting device, the earliest time (RL-to n) at which the packet of each class can be transmitted in order to obey the allowable bandwidth of the class, and a final time (RG-to n) at which the packet of each class is to be subsequently transmitted in order to maintain the guarantee bandwidth of the class. When a packet transmittable timing is reached, the packet of a class m which the final time (RG-to n) approaches is transmitted preferentially from the classes in which a current time reaches the earliest time (RL-to n). When the transmission of a packet is started, the next earliest time (IRL), earliest time (RL-m) of the class m and final time (RG-m) is determined based on the data volume of the packet.

Bandwidth control device, computer readable recording medium storing program and method of controlling bandwidth control device

A router controls transmission of packets over a plurality of networks. The router has a function of carrying out address translation of addresses added to the packets between private addresses and global addresses. A plurality of interfaces are each connected to a corresponding one of the plurality of networks. A first storage device stores data for the address translation, the data being set by a user. A second storage device stores information for applying the data stored in the first storage device to each of the plurality of interfaces, the information being set by the user. A control device prepares translation management information for each of the plurality of interfaces, based on the data stored in the first storage device and the information stored in the second storage device. A translation device is arranged in each of the plurality of interfaces, for carrying out the address translation of one of the addresses added to each packet of the packets, based on the translation management information.

Router

A communication terminal device, interconnecting with a network system like the ISDN system, is configured by a CPU and a memory which stores calling identification numbers and called identification numbers with respect to communication companions who are registered in advance. Herein, one calling identification number and at least one called identification number are registered with respect to each communication companion. At a communication-sending event, a user designates a desired communication companion so that its calling identification number is automatically read out from the memory; and consequently, the communication terminal device automatically calls up the desired communication companion through the network system. At a communication-receiving event, the communication terminal device is informed of a calling party number corresponding to a calling party who accesses thereto through the network system. Then, the communication terminal device searches a called identification number, which coincides with the calling party number, within the called identification numbers registered in the memory. Thus, the calling party is identified based on the called identification number searched, so that the communication terminal device automatically performs a specific communication control which is set for the calling party identified.

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Hamamatsu, Japan

Ryota Hirose