CN105357674B - Data distribution method, device and system - Google Patents
Data distribution method, device and system Download PDFInfo
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- CN105357674B CN105357674B CN201510700372.XA CN201510700372A CN105357674B CN 105357674 B CN105357674 B CN 105357674B CN 201510700372 A CN201510700372 A CN 201510700372A CN 105357674 B CN105357674 B CN 105357674B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a data distribution method, a device and a system, wherein the method comprises the following steps: the network equipment broadcasts ARP request information in the local area network to search the required target equipment; the wireless transmitting device responds to the ARP request message in a proxy ARP mode and transmits a data source transmitted by the network device to the wireless receiving device based on each supported channel; after receiving the data source, the wireless receiving device broadcasts an ARP request message, searches for target equipment appointed by the data source, and sends the data source to the target equipment. The method of the invention uses proxy ARP technology to shunt the IP data of the data source according to the destination IP, and distributes the IP data to different frequency channels for transmission, thereby solving the problem of insufficient frequency resources of a single channel.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a data offloading method, apparatus, and system.
Background
With the development and popularization of wireless communication technology, frequency resources become one of the main constraints limiting the bandwidth of transmitted data.
When the spectrum resources are limited and the usable spectrum is discontinuous, for example, usable A bandwidths alpha-beta, usable B bandwidths theta-lambda, wireless transmission equipment using A bandwidths is equipment A, wireless transmission equipment using B bandwidths is equipment B, at the moment, if the data volume transmitted by a data source still exceeds the data bandwidth carried by each equipment spectrum after compression coding modulation is carried out in the prior art, more spectrum bandwidth resources are required to be applied respectively, or data source data are shunted by setting a gateway IP address of the data source equipment, so that the data source data are transmitted by different transmission equipment, and the wireless channel resources are reasonably utilized.
However, if the data source device does not support setting the gateway IP address or has no man-machine interface, the data distribution cannot be achieved by manually setting the gateway address. And the application of frequency resources requires the authorization and approval of the wireless management committee, which is costly.
Disclosure of Invention
The invention provides a data distribution method, a data distribution device and a data distribution system, which are used for solving the problem of insufficient frequency resources of a single channel.
According to one aspect of the present invention, there is provided a data distribution method, comprising:
the network equipment broadcasts ARP request information in the local area network to search the required target equipment;
the wireless transmitting device responds to the ARP request message in a proxy ARP mode and transmits a data source transmitted by the network device to the wireless receiving device based on each supported channel;
after receiving the data source, the wireless receiving device broadcasts an ARP request message, searches for target equipment appointed by the data source, and sends the data source to the target equipment.
Optionally, in the method of the present invention, the wireless transmitting device includes a plurality of wireless transmitters supporting different channel bandwidths;
the wireless sending device responds to the ARP request message in a proxy ARP mode, and specifically comprises the following steps: and one or more wireless transmitters in the wireless transmitting device respond to the ARP request message by taking the MAC address of the local device as the MAC address of one or more target devices inquired by the network device.
Optionally, in the method of the present invention, the transmitting, based on each supported channel, a data source sent by the network device to a wireless receiving device specifically includes:
and after receiving the data source with the local MAC address sent by the network equipment, each wireless transmitter of the wireless sending equipment sends the data source sent by the network equipment to the wireless receiving equipment.
Optionally, in the method of the present invention, one or more wireless transmitters of the wireless sending device respond to the ARP request message by using a MAC address of the wireless sending device as a MAC address of one or more target devices queried by the network device, and specifically includes:
after receiving the ARP request message, each wireless transmitter of the wireless transmitting device acquires each target device searched by the network device;
each wireless transmitter detects whether the target device is in a locally preconfigured device list, if not, does not respond, if so, responds to the ARP request message based on the local MAC address instead of the target device in the device list.
According to another aspect of the present invention, there is also provided a wireless transmission apparatus including:
and the data distribution module is used for responding to the ARP request message in a proxy ARP mode when receiving the ARP request message broadcast by the network equipment, and transmitting a data source transmitted by the network equipment to the wireless receiving equipment based on each supported channel.
Optionally, in the wireless transmitting device of the present invention, the data splitting module includes a plurality of wireless transmitters supporting different channel bandwidths;
and one or more wireless transmitters of the data distribution module respond to the ARP request message by taking the MAC address of the local machine as the MAC address of one or more target devices inquired by the network device.
Optionally, in the wireless transmitting device of the present invention, after each wireless transmitter of the data splitting module receives a data source with a local MAC address sent by the network device, the wireless transmitter sends the data source sent by the network device to a wireless receiving device.
Optionally, in the wireless sending device of the present invention, the wireless transmitter that responds to the ARP request message is a wireless transmitter that includes a target device queried by the network device in a locally preconfigured device list;
the wireless transmitter responding to the ARP request message responds to the ARP request message based on the local MAC address instead of the target device in the local preconfigured device list.
According to a third aspect of the present invention, there is also provided a wireless receiving apparatus including a plurality of wireless receivers supporting different channel bandwidths, in communication with the wireless transmitting apparatus of the present invention.
And the wireless receiver is used for broadcasting an ARP request message after receiving the data source sent by the wireless sending equipment, searching the target equipment designated by the data source and sending the data source to the target equipment.
According to a fourth aspect of the present invention, there is also provided a data distribution system, including a plurality of network devices, a wireless transmitting device according to the present invention, and a wireless receiving device according to the present invention; wherein the wireless transmitting device comprises a plurality of wireless transmitters supporting different channel bandwidths; the wireless receiving device includes a plurality of wireless receivers supporting different channel bandwidths.
The invention has the following beneficial effects:
according to the scheme, a wireless transparent transmission channel is established between network devices by using the proxy ARP technology, and a gateway address is not required to be set. And the wireless transmission equipment automatically carries out split transmission on the data source data in a proxy ARP mode, and the maximum combination theory utilizes frequency resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a flowchart of a data splitting method according to a first embodiment of the present invention;
FIG. 2 is a system architecture diagram of a second embodiment of the present invention;
fig. 3 is a flowchart of a process of the network device 1 sending data to the wireless transmitter according to the second embodiment of the present invention;
fig. 4 is a flowchart of a process of receiving data sent by a wireless transmitter by a wireless receiver according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment of the invention provides a data distribution method, which distributes IP data of a data source to different frequency channels for transmission according to the destination IP by using a proxy ARP technology, thereby solving the problem of insufficient frequency resources of a single channel.
As shown in fig. 1, the method in this embodiment includes the following steps:
step S101, network equipment broadcasts ARP request information in a local area network to search for required target equipment;
step S102, the wireless transmitting device responds to the ARP request message in a proxy ARP mode, and transmits a data source transmitted by the network device to the wireless receiving device based on each supported channel;
step S103, after the wireless receiving device receives the data source, broadcasting an ARP request message, searching for target equipment designated by the data source, and sending the data source to the target equipment.
Based on the above principle, several specific and preferred embodiments are given below to refine and optimize the functions of the method according to the present invention, so that the implementation of the solution according to the present invention is more convenient and accurate. It should be noted that the following features may be arbitrarily combined with each other without collision.
In the embodiment of the invention, the wireless transmitting equipment comprises a plurality of wireless transmitters supporting different channel bandwidths; the wireless receiving device comprises a plurality of wireless receivers supporting different channel bandwidths corresponding to the wireless receiving device.
In a preferred embodiment of the present invention, in the step S102, the wireless transmitting device responds to the ARP request message by proxy ARP, which is specifically implemented as follows: and one or more wireless transmitters in the wireless transmitting device respond to the ARP request message by taking the MAC address of the local device as the MAC address of one or more target devices queried by the network device.
Because the wireless transmitter feeds back the own MAC address to the network equipment, the network equipment can send the data to be sent to the corresponding wireless transmitter, and the wireless transmitter forwards the data. Thereby realizing the data distribution at the wireless transmission equipment side.
Further, in the embodiment of the present invention, the manner of determining which wireless transmitters can respond to the ARP request message includes:
pre-configuring a device list which can be transmitted by the wireless transmitter on each wireless transmitter side;
when each wireless transmitter of the wireless transmitting device receives the ARP request message, each target device searched by the network device is obtained;
each wireless transmitter detects whether a target device is in a locally preconfigured device list, if so, responds to the ARP request message based on the local MAC address instead of the target device in the device list; otherwise, the wireless transmitter does not respond.
Of course, the above manner is merely an example of one manner, and a person skilled in the art can define the determination manner according to the need. For example, a management unit may be disposed on the wireless transmitting device side, where the management unit specifies which wireless transmitters respond to ARP request messages based on which target devices, according to bandwidth occupancy of all wireless transmitters.
In summary, the invention provides a new way of shunting data source data to different wireless transmission channels, without setting the gateway IP address of the data source device, the wireless transmission device automatically shunts the data source data by proxy ARP, and the maximum practical utilization of frequency resources is achieved.
Example two
The embodiment of the invention provides a data distribution method, which is described in more detail by disclosing more technical details.
The system structure of the application of the method in this embodiment is shown in fig. 2. In fig. 2, the network device 1 and the network device 2 transmit data to the wireless transmitter 1, 2 of the wireless transmitting device through the network switch, and the wireless transmitting device transmits the data to the wireless receiver 1, 2 of the wireless receiving device, and then transmits the data to the network devices 3,4,5,6 through the network switch.
It is assumed that the limited channel bandwidth of the wireless transmitter 1 is insufficient for transmitting network data addressed by the network device 1 to the network devices 3,4, 5. And the radio transmitter 2 has excess channel resources available.
At this time, the wireless transmitter 1 and the wireless transmitter 2 shunt the transmission data of the network device 1 through proxy ARP, so that the transmission data is transmitted on two channels, and frequency resources are reasonably utilized. See fig. 2 for a specific process, namely: through proxy ARP, IP data sent by the network device 1 flows to the wireless transmitter 1 and the wireless transmitter 2, respectively, according to its destination address, and the data is distributed to two channels for transmission. Through proxy ARP, IP data sent by the network device 2 flows to the wireless transmitter 2.
The wireless receiver 1 interfacing with the wireless transmitter 1 obtains the destination IP corresponding MAC by means of standard ARP and sends the data to the corresponding network device 3, 4. The wireless receiver 2 interfacing with the wireless transmitter 2 obtains the destination IP corresponding MAC by standard ARP and sends the data to the corresponding network device 5,6.
As shown in fig. 3, a flowchart of a process of transmitting data to a wireless transmitter by the network device 1 in fig. 2 specifically includes the following steps:
step S301, when the network device 1 needs to send data to the network devices 3,4,5, firstly broadcasting ARP request information to the local network, and searching MAC addresses of the network devices 3,4, 5;
step S302, the wireless transmitter 1 receives the ARP request message, responds to the ARP request message, and simultaneously replies with the MAC address of the wireless transmitter to inform that the wireless transmitter is the network equipment 3,4; in this step, the network devices 3,4 are pre-configured with a list of devices capable of data transmission within the wireless transmitter 1;
step S303, the wireless transmitter 2 receives the ARP request message, responds to the ARP request message, and simultaneously replies with the MAC address of the wireless transmitter to inform that the wireless transmitter is the network equipment 5; in this step, the network device 5 configures in advance a list of devices capable of data transmission in the wireless transmitter 2;
step S304, the network device 1 considers that the wireless transmitter 1 is both network devices 3,4 after receiving the signal; the wireless transmitter 2 is a network device 5. The network device 1 sends IP data to the network devices 3,4 to the wireless transmitter 1 and IP data to the network device 5 to the wireless transmitter 2.
In step S305, the wireless transmitter 1 and the wireless transmitter 2 encode and modulate the received IP data, and transmit the encoded IP data through a wireless channel.
As shown in fig. 4, a process flow chart of the wireless receiver in fig. 2 receiving data sent by the wireless transmitter specifically includes the following steps:
step S401, after receiving the data sent by the wireless transmitter through the wireless channel, the wireless receiver 1 and the wireless receiver 2 demodulate and decode the data to recover the IP data;
step S402, the wireless receiver 1 and the wireless receiver 2 send out ARP request information in the local network according to the destination IP address of the IP data;
step S403, after receiving the ARP request message, the network devices 3,4,5 reply to their own MAC addresses through ARP response respectively;
in step S404, the wireless receiver 1 transmits the IP data to the network devices 3,4, and the wireless receiver 2 transmits the IP data to the network device 5.
In summary, the wireless transmitter 1 and the wireless transmitter 2 shunt the data source through proxy ARP, so as to realize the combined expansion application of two limited frequency bandwidths.
The wireless transmitter 1 and the wireless transmitter 2 transmit the intercepted IP data packets to the wireless receiver 1 and the wireless receiver 2, and forward them to the corresponding network receiving devices. For the network device, the wireless transmitter and the wireless receiver are equivalent to transparent transmission channels, so that the network device can transmit the IP data to the destination through the wireless transmitting device and the wireless receiving device without setting a gateway address.
Example III
An embodiment of the present invention provides a wireless transmitting apparatus, including:
and the data distribution module is used for responding to the ARP request message in a proxy ARP mode when receiving the ARP request message broadcast by the network equipment, and transmitting a data source transmitted by the network equipment to the wireless receiving equipment based on each supported channel.
Specifically, in the embodiment of the present invention, the data splitting module includes a plurality of wireless transmitters supporting different channel bandwidths.
At this time, one or more wireless transmitters in the data offloading module respond to the ARP request message by using the MAC address of the local device as the MAC address of one or more target devices queried by the network device. Further, each wireless transmitter of the data distribution module sends the data source sent by the network device to the wireless receiving device after receiving the data source with the local MAC address sent by the network device.
In one embodiment of the present invention, the wireless transmitter that responds to the ARP request message is a wireless transmitter of a target device that includes the network device query in a locally preconfigured list of devices;
the wireless transmitter responding to the ARP request message responds to the ARP request message based on the local MAC address instead of the target device in the local preconfigured device list.
In another embodiment of the present invention, the data offloading module further includes a management unit, which specifies which wireless transmitters respond to ARP request messages based on which target devices, according to the current bandwidth occupancy of each wireless transmitter.
The wireless transmitting device in the embodiment of the invention automatically carries out split transmission on the data source data in a proxy ARP mode, and the maximum combination theory utilizes frequency resources.
Example IV
The embodiment of the invention provides wireless receiving equipment, which comprises a plurality of wireless receivers supporting different channel bandwidths and is communicated with the wireless transmitting equipment in the third embodiment. Wherein:
and the wireless receiver is used for broadcasting an ARP request message after receiving the data source sent by the wireless sending equipment, searching the target equipment designated by the data source and sending the data source to the target equipment.
The wireless receiving device in this embodiment determines, by broadcasting ARP, a target device that receives a data source, and performs data transmission. The offloading scheme of the wireless transmitting device described in the third embodiment is well matched, so that the data of the network device can correctly reach the designated target device after offloading by the wireless transmitting device.
Example five
The embodiment of the invention provides a data distribution system, which comprises: a plurality of network devices, a wireless transmitting device described in the third embodiment, and a wireless receiving device described in the fourth embodiment.
Since the structures and functions of the wireless transmitting device and the wireless receiving device have been described in detail in the third and fourth embodiments, the detailed description is not repeated here. Since the system of the present embodiment includes the devices of the third and fourth embodiments, the effects of the third and fourth embodiments can be necessarily achieved.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular for the device and system embodiments, the description is relatively simple, as it is substantially similar to the method embodiments, with reference to the description of the method embodiments as relevant.
Although the present application has been described by way of examples, those skilled in the art will appreciate that many modifications and variations may be made thereto without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A method of data splitting, comprising:
the network equipment broadcasts ARP request information in the local area network to search the required target equipment;
the wireless transmitting device responds to the ARP request message in a proxy ARP mode and transmits a data source transmitted by the network device to the wireless receiving device based on each supported channel;
the wireless sending device responds to the ARP request message in a proxy ARP mode, and specifically comprises the following steps: the wireless transmitting equipment comprises a plurality of wireless transmitters supporting different channel bandwidths, the wireless transmitters in the wireless transmitting equipment respond to the ARP request message by taking the MAC addresses of the wireless transmitting equipment as the MAC addresses of a plurality of target equipment inquired by the network equipment;
or the wireless transmitting equipment is managed by a unified management unit, and the management unit designates a specific one or more wireless transmitters to respond to the ARP request message according to the current use condition of each wireless transmitter;
after receiving the data source, the wireless receiving device broadcasts an ARP request message, searches for target equipment appointed by the data source, and sends the data source to the target equipment.
2. The method of claim 1, wherein the transmitting the data source transmitted by the network device to the wireless receiving device based on the supported channels specifically comprises:
and after receiving the data source with the local MAC address sent by the network equipment, each wireless transmitter of the wireless sending equipment sends the data source sent by the network equipment to the wireless receiving equipment.
3. The method according to claim 2, wherein the responding to the ARP request message by the plurality of wireless transmitters of the wireless transmitting device using the MAC address of the wireless transmitting device as the MAC address of the plurality of target devices queried by the network device, specifically includes:
after receiving the ARP request message, each wireless transmitter of the wireless transmitting device acquires each target device searched by the network device;
each wireless transmitter detects whether the target device is in a locally preconfigured device list, if not, does not respond, if so, responds to the ARP request message based on the local MAC address instead of the target device in the device list.
4. A wireless transmission apparatus, comprising:
the data distribution module is used for responding to the ARP request message in a proxy ARP mode when receiving the ARP request message broadcast by the network equipment, and transmitting a data source transmitted by the network equipment to the wireless receiving equipment based on each supported channel;
the responding to the ARP request message by proxy ARP specifically comprises: the data distribution module comprises a plurality of wireless transmitters supporting different channel bandwidths, wherein the wireless transmitters respond to the ARP request message by taking the MAC addresses of the wireless transmitters as the MAC addresses of a plurality of target devices inquired by the network device;
or the wireless transmitting device is managed by a unified management unit, and the management unit designates that one or more specific wireless transmitters respond to the ARP request message according to the current use condition of each wireless transmitter.
5. The wireless transmitting device of claim 4, wherein each wireless transmitter of the data offloading module, after receiving a data source with a local MAC address sent by the network device, sends the data source sent by the network device to a wireless receiving device.
6. The wireless transmitting device of claim 4 or 5, wherein the wireless transmitter that responds to the ARP request message is a wireless transmitter of a target device that includes the network device query in a locally pre-configured list of devices;
the wireless transmitter responding to the ARP request message responds to the ARP request message based on the local MAC address instead of the target device in the local preconfigured device list.
7. A radio receiving apparatus comprising a plurality of radio receivers supporting different channel bandwidths, communicating with the radio transmitting apparatus as claimed in any one of claims 4 to 6,
and the wireless receiver is used for broadcasting an ARP request message after receiving the data source sent by the wireless sending equipment, searching the target equipment designated by the data source and sending the data source to the target equipment.
8. A data distribution system comprising a plurality of network devices, a wireless transmitting device according to any one of claims 4 to 6 and a wireless receiving device according to claim 7; wherein the wireless transmitting device comprises a plurality of wireless transmitters supporting different channel bandwidths; the wireless receiving device includes a plurality of wireless receivers supporting different channel bandwidths.
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| JP2020031382A (en) * | 2018-08-24 | 2020-02-27 | 東芝テック株式会社 | Wireless communication device |
| CN111782688B (en) * | 2020-06-29 | 2024-02-06 | 中国平安财产保险股份有限公司 | Request processing method, device, equipment and storage medium based on big data analysis |
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