Communication device, storage medium, integrated circuit, and communication system

A technology for communication devices and communication lines, which is applied in the field of communication systems and can solve problems such as unrealistic system changes
CN101088260AInactive Publication Date: 2007-12-12PANASONIC CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
PANASONIC CORP
Publication Date
2007-12-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

It is an object of the present invention to provide a QoS controllable communication device and communication system. A device 114 such as a first IP telephone comprising a QoS control unit 121 of the present invention transmits first transmission control data to a device 111 such as a PC performing lower priority communication. The first transmission control data includes data for changing the communication path of the lower priority communication, and the PC 111 , having received the first transmission control data, performs subsequent lower priority communication through the first IP telephone or other device 114 , enabling the first QoS control unit 121 to perform priority control. Because the present invention employs widely used protocols such as ARP and ICMP, the device 111 receiving the control data does not need protocols specific to the present invention.
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Description

technical field

[0001] The invention relates to a communication device capable of QoS control, a storage medium, an integrated circuit and a communication system. Background technique

[0002] In recent years, broadband Internet connections have been used in many workplaces and homes alike. Figure 32 shows the Internet connection configuration of representatives in the current household. The user concludes a contract with a first ISP (Internet Access Provider) 3 and installs a first router 12 purchased (or leased from the ISP) in the first home 1 . After that, a device that wants to connect to the Internet 2 such as a PC (Personal Computer) 11 is connected to the first router 12 .

[0003] In this environment, when the PC 11 communicates with the server 13 published on the Internet, it passes through the first router 12, the access line 6, the first ISP 3, the Internet 2, and the like. In addition, ADSL lines (downlink: about 1 Mbps to 50 Mbps, uplink: about 512 Kbps to 5...

Claims

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