Transmission control method for packet communication and packet communication system
A transmission control and packet communication technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as bloated headers, prone to bit overflow of serial numbers, and decreased transmission efficiency, and achieve the effect of extending time
Inactive Publication Date: 2012-07-11
LENOVO INNOVATIONS LTD HONG KONG
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- Application Information
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Problems solved by technology
In addition to storing the serial number, the header of the packet also has the function of storing various information. Increasing the number of serial numbers will cause the header to be bloated
If the header becomes bulky, the size of the data stored in the payload, which is the original target of data communication, will be relatively small in the packet, resulting in a decrease in transmission efficiency
[0012] On the other hand, if the transmission efficiency is emphasized and the number of bits of the serial number is reduced, the serial number is prone to bit overflow
Method used
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Embodiment Construction
[0028] refer to figure 1 , the packet communication system 100 as one embodiment of the present invention will be described. The packet communication system 100 includes a communication device 1 on the sending side and a communication device 2 on the receiving side. Here, the communication devices 1 and 2 may be, for example, personal computers, wireless terminals, or devices connected by a wired high-speed serial bus such as USB (Universal Serial Bus), IEEE1394, or PCI Express. In addition, in recent years, there has been a system for performing high-speed serial communication between semiconductor chips. In this case, the communication devices 1 and 2 may also be such semiconductor chips.
[0029] The communication device 1 includes a serial number counter 3 for data signal transmission and a serial number counter 4 for control signal transmission.
[0030] The data signal transmission sequence number counter 3 generates a corresponding data signal sequence number for eac...
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The transmission of packets, in which data signals or control signals are stored in the payload of a packet comprising a payload and a header having a sequence number area for storing sequence numbers, is controlled. Data signal sequence numbers, which are added to a data packet storing data signals in a payload, are generated from a first communication device, are stored into each of the sequence number areas of the data packet, and are sent to a second communication device from the first communication device in order to control the transmission of the data packet on the basis of the data signal sequence numbers. Similarly, control signal sequence numbers, which are added to the control packet storing control signals in a payload, are generated from the first communication device independently from the data signal sequence numbers, are stored into each of the sequence number areas of the control packet, and are sent to the second communication device from the first communication device in order to control the transmission of the control packet on the basis of the control signal sequence numbers.
Description
technical field [0001] The present invention relates to transmission control of packet communication, and more particularly relates to transmission control of packet communication in which a sequence number is added to the header of the packet. Background technique [0002] Packet communication is implemented in various forms such as wireless communication and high-speed serial communication. Typically, a packet consists of a payload and a header. [0003] There are cases where data signals such as video, audio, and Web are stored as payloads, and control signals for controlling operations of ICs and the like are stored as payloads. [0004] The header stores information related to the payload processing method, such as a flag indicating whether the content of the payload is a control signal or a data signal, or transmission destination information. Sometimes a serial number is appended to the header for various purposes. [0005] The sequence numbers are referred to in o...
Claims
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IPC IPC(8): H04L29/08H04L12/56H04L47/43
CPCH04L29/0653H04L69/22H04L47/34H04L1/1809
Inventor 青木雄一
Owner LENOVO INNOVATIONS LTD HONG KONG