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Data transfer apparatus

A data transmission device and serial transmission technology, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problems of high bus speed and high cost of equipment, and achieve low waiting time, low mass data transmission, and cheap The effect of the configuration

Inactive Publication Date: 2011-05-11
SONY CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When broadband with a data rate equal to or higher than 20Gbps is to be realized in the network, in the case of Ethernet, it is necessary to use multiple 10 Gigabit Ethernet (10GbEther), which results in a very high cost system
Also, in case of infinite bandwidth, a very costly system will be created as it needs to support 4xDDR (Double Data Rate)
[0005] In addition, when a broadband network needs to be used, a higher bus speed in the device is also required

Method used

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no. 1 example

[0063] Therefore, according to the first embodiment of the present invention, high-speed, low-latency mass data transmission between devices can be realized while providing an apparatus with an inexpensive configuration.

[0064] Furthermore, in the first embodiment of the present invention above, an example in which the present invention is applied to data transmission between three devices was shown. However, the invention can also be used for data transmission between two or three or more devices.

[0065] [Data transmission device according to the second embodiment of the present invention]

[0066] Next, a data transmission device according to a second embodiment of the present invention will be explained. Figure 7 is an explanatory diagram illustrating the configuration of a data transmission device according to a second embodiment of the present invention. exist Figure 7 in, with figure 1 Similarly to device 10, devices 200a to 200f have a PCIe topology.

[0067]...

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Abstract

There is provided a data transfer apparatus including a first virtual network device which is connected to a downstream port of a first device mounted with a serial transfer interface, a first cable for extending a downstream port of a second device mounted with a serial transfer interface, a second virtual network device which is connected to the first cable, a second cable for extending a downstream port of a third device mounted with a serial transfer interface, a third virtual network device which is connected to the second cable, and a virtual network switch which is connected to the first virtual network device, the second virtual network device and the third virtual network device.

Description

technical field [0001] The present invention relates to data transmission devices. Background technique [0002] In the related art, networks represented by Ethernet (registered trademark), Fiber Channel (Fibre Channel), InfiniBand, etc. are used for data transmission between multiple devices. [0003] To configure the network, a network card such as a network interface card (NIC), a host card adapter (HCA), etc., a network switch, and a network cable are used. [0004] When broadband with a data rate equal to or higher than 20Gbps is to be realized in the network, in the case of Ethernet, it is necessary to use multiple 10 Gigabit Ethernet (10GbEther), which results in a very costly system. Furthermore, in the case of infinite bandwidth, a very costly system will be created since it needs to support 4xDDR (Double Data Rate). [0005] In addition, higher bus speeds in devices are also required when broadband networks are used. Because a well-known broadband bus is PCI Exp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L12/28
CPCH04L49/70H04L49/30H04L49/109
Inventor 猪俣直树
Owner SONY CORP