CN103079229A - Directional broadcast transmission method for access controller - Google Patents
Directional broadcast transmission method for access controller Download PDFInfo
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- CN103079229A CN103079229A CN2012105878827A CN201210587882A CN103079229A CN 103079229 A CN103079229 A CN 103079229A CN 2012105878827 A CN2012105878827 A CN 2012105878827A CN 201210587882 A CN201210587882 A CN 201210587882A CN 103079229 A CN103079229 A CN 103079229A
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Abstract
The invention discloses a directional broadcast transmission method for an access controller, comprising the steps that step S1, when each client is connected to an AP (access point), the access controller records address information of the client, the information of an affiliation AP and the information of an affiliation VAP (video access point) connected with the client in a client information base; step S2, the access controller judges the type of a broadcast message when transmitting the broadcast message, if the broadcast message contains an actual destination address, the information of an affiliation AP and the information of an affiliation VAP corresponding to the actual destination address are searched in the client information base according to the actual destination address; and step S3, the access controller transmits the broadcast message containing the actual destination address to the affiliation AP searched out in the step S2 and then controls the affiliation AP to transmit the broadcast message through the affiliation VAP searched out in the step S2 to the client corresponding to the actual destination address. The directional broadcast transmission method for the access controller has the technical effects that the broadcast is changed into directional unicast transmission, the times of copying and transmitting the broadcast message are reduced, and the consumption on the equipment performance and the network bandwidth due to broadcast is reduced.
Description
Technical field
The present invention relates to a kind of control method of wireless network, relate in particular to the method that a kind of access controller directed broadcasting sends.
Background technology
In the existing wireless network, when being connected with many AP(Access Point access point apparatus on the AC (Access Controller access controller)) and upper establishment of AP a plurality of VAP(Virtual Access Point virtual radio ports are arranged) time, for the STA(Station client) downlink broadcast messages at first can be copied and be sent to by AC each AP, can be copied by AP and send from each VAP afterwards.And in actual the use, can produce a large amount of broadcasting packets in the network, and bring a large amount of messages to copy and transmission flow, cause equipment performance and the network bandwidth significantly to be consumed.
Summary of the invention
For the problems referred to above that exist in the existing wireless network, the method that now provides a kind of access controller directed broadcasting that is intended to alleviate defects to send.
Concrete technical scheme is as follows:
The method that the access controller directed broadcasting sends is applied to be connected with the access controller of many AP, and at least one upper establishment of AP have a plurality of virtual radio interface VAP, wherein, specifically comprises the steps:
Step S1, when every client is connected to AP, the ownership AP information that described access controller connects the address information of described client, described client and belong to as described the upper ownership VAP information recording/that creates when a plurality of virtual radio interface VAP is arranged of AP and enter in the client-side information storehouse;
Judge the type of described broadcasting packet when step S2, described access controller transmission broadcasting packet, comprise as described actual destination address in the broadcasting packet, then in described client-side information storehouse, search described ownership AP information and the described ownership VAP information corresponding with described actual destination address according to described actual destination address;
The described broadcasting packet that step S3, described access controller will comprise described actual destination address is sent to the described ownership AP that finds among the described step S2, and controls described ownership AP and be sent to client corresponding to described actual destination address by the described ownership VAP that finds among the described step S2.
Preferably, described broadcasting packet comprises ARP(Address Resolution Protocol address resolution protocol) message, described access controller judges that described broadcasting packet extracts the Target IP Address(target ip address in the described ARP message when being the ARP message) information is to obtain described actual destination address, described actual destination address is with IP(Internet Protocol Internet protocol) form of address embodies.
Preferably, described broadcasting packet comprises that DHCP(Dynamic Host Configuration Protocol DynamicHost arranges agreement) message, described access controller judges that described broadcasting packet extracts the Client MAC Address(client mac address in the described DHCP message when being the DHCP message) information is to obtain described actual destination address, described actual destination address is with MAC(Media Access Control medium access control) form of address embodies.
Preferably, described access controller is judged when described broadcasting packet does not comprise described actual destination address with the described broadcasting packet of normal broadcasting flow processing.
Preferably, described client-side information storehouse is deposited in the described access controller with the form of tables of data, the ownership AP information that described access controller connects the address information of the described client of every described client, described client and belong to as described the upper ownership VAP information that creates when a plurality of virtual radio interface VAP is arranged of AP form one independently client records deposit in the described tables of data.
Preferably, described access controller is retrieved described tables of data with the address information of described client when setting up new client records, as finding to have existed the address information of identical client, then already present client records with address information of same client in the described tables of data is deleted, and continue to set up described new client records.
The beneficial effect of technique scheme is:
Control for ARP and dhcp broadcast message transmission flow, broadcasting is become directed clean culture send, significantly reduced the number of times that broadcasting packet is replicated and sends, effectively reduce broadcasting to the consumption of equipment performance and the network bandwidth.
Description of drawings
Fig. 1 is the steps flow chart block diagram of the embodiment of the method that sends of a kind of access controller directed broadcasting of the present invention;
Fig. 2 is the structure schematic diagram that the network that embodiment was suitable for of the method for a kind of access controller directed broadcasting transmission of the present invention is tied.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as limiting to the invention.
As shown in Figure 1, the embodiment of the method that a kind of access controller directed broadcasting of the present invention sends, the method that the access controller directed broadcasting sends, be applied to be connected with the access controller of many AP, and at least one upper establishment of AP has a plurality of virtual radio interface VAP, wherein, specifically comprise the steps:
Step S1, when every client is connected to AP, access controller with the address information of client, ownership AP information that client connects and as the upper ownership VAP information recording/that creates when a plurality of virtual radio interface VAP is arranged of ownership AP enter in the client-side information storehouse; Wherein, namely to belong to AP be among a plurality of virtual radio interface VAP of distributing of client one to ownership VAP.
Judge the type of broadcasting packet when step S2, access controller transmission broadcasting packet, as comprising actual destination address in the broadcasting packet, then in the client-side information storehouse, search the ownership AP information corresponding with actual destination address and ownership VAP information according to actual destination address.
The broadcasting packet that step S3, access controller will comprise actual destination address is sent to the ownership AP that finds among the step S2, and control ownership AP is sent to client corresponding to actual destination address by the ownership VAP that finds among the step S2.
Technique scheme is by access controller actual destination address in the extraction broadcasting packet before sending broadcasting packet, and according to the actual destination address of broadcasting packet broadcasting packet is sent directionally to client corresponding to actual destination address according to the path of ownership AP and ownership VAP, thereby do not need the copy broadcast message to each AP, there is the AP of a plurality of virtual radio interface VAP also needn't arrive each virtual radio interface VAP by the copy broadcast message for establishment, thereby reduced the number of times that broadcasting packet is replicated and sends, reduced the consumption of broadcasting to equipment performance and the network bandwidth.
On the technique scheme basis, further, broadcasting packet comprises the ARP message, and access controller is judged the Target IP Address information of extracting when broadcasting packet is the ARP message in the ARP message to obtain actual destination address, and actual destination address embodies with the form of IP address.Simultaneously, broadcasting packet also can comprise the DHCP message, and access controller is judged the Client MAC Address information of extracting when broadcasting packet is the DHCP message in the DHCP message to obtain actual destination address, and actual destination address embodies with the form of MAC Address.Because the broadcasting packet of maximum is generally ARP message or DHCP message in the real network environment, therefore above-mentioned two kinds of messages is carried out the extraction of actual target address and then take directed clean culture can reduce to a great extent the number of times that broadcasting packet is replicated and sends.
On the technique scheme basis, further, access controller is judged when broadcasting packet does not comprise actual destination address with normal broadcasting flow processing broadcasting packet.So just can guarantee that the broadcasting packet that really needs to broadcast obtains broadcasting.
On the technique scheme basis, further, the client-side information storehouse can tables of data form deposit in the access controller, access controller with the address information of every client, ownership AP information that client connects and as the upper ownership VAP information that creates when a plurality of virtual radio interface VAP is arranged of ownership AP form one independently client records deposit in the tables of data.Further, access controller when setting up new client records with the address information retrieve data table of client, as finding to have existed the address information of identical client, then already present client records with address information of same client in the tables of data is deleted, and continue to set up new client records.Such scheme can guarantee not have two identical client records of address information in the tables of data that access controller deposits, is the client of a correspondence thereby can find according to actual destination address when guaranteeing directed clean culture.
The above only is preferred embodiment of the present invention; be not so restriction embodiments of the present invention and protection range; to those skilled in the art; should recognize that being equal to that all utilizations specification of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (6)
1. the method that sends of access controller directed broadcasting is applied to be connected with the access controller of many AP, and at least one upper establishment of AP have a plurality of virtual radio interface VAP, it is characterized in that, specifically comprises the steps:
Step S1, when every client is connected to AP, the ownership AP information that described access controller connects the address information of described client, described client and belong to as described the upper ownership VAP information recording/that creates when a plurality of virtual radio interface VAP is arranged of AP and enter in the client-side information storehouse;
Judge the type of described broadcasting packet when step S2, described access controller transmission broadcasting packet, comprise as described actual destination address in the broadcasting packet, then in described client-side information storehouse, search described ownership AP information and the described ownership VAP information corresponding with described actual destination address according to described actual destination address;
The described broadcasting packet that step S3, described access controller will comprise described actual destination address is sent to the described ownership AP that finds among the described step S2, and controls described ownership AP and be sent to client corresponding to described actual destination address by the described ownership VAP that finds among the described step S2.
2. the method that sends of access controller directed broadcasting as claimed in claim 1, it is characterized in that, described broadcasting packet comprises the ARP message, described access controller judges that described broadcasting packet extracts Target IP Address information in the described ARP message obtaining described actual destination address when being the ARP message, and described actual destination address embodies with the form of IP address.
3. the method that sends of access controller directed broadcasting as claimed in claim 1, it is characterized in that, described broadcasting packet comprises the DHCP message, described access controller judges that described broadcasting packet extracts Client MAC Address information in the described DHCP message obtaining described actual destination address when being the DHCP message, and described actual destination address embodies with the form of MAC Address.
4. the method that sends of access controller directed broadcasting as claimed in claim 1 is characterized in that described access controller is judged when described broadcasting packet does not comprise described actual destination address with the described broadcasting packet of normal broadcasting flow processing.
5. the method that sends of access controller directed broadcasting as claimed in claim 1, it is characterized in that, described client-side information storehouse is deposited in the described access controller with the form of tables of data, the ownership AP information that described access controller connects the address information of the described client of every described client, described client and belong to as described the upper ownership VAP information that creates when a plurality of virtual radio interface VAP is arranged of AP form one independently client records deposit in the described tables of data.
6. the method that sends of access controller directed broadcasting as claimed in claim 5, it is characterized in that, described access controller is retrieved described tables of data with the address information of described client when setting up new client records, as finding to have existed the address information of identical client, then already present client records with address information of same client in the described tables of data is deleted, and continue to set up described new client records.
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| CN201210587882.7A CN103079229B (en) | 2012-12-28 | 2012-12-28 | Directional broadcast transmission method for access controller |
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| CN201210587882.7A CN103079229B (en) | 2012-12-28 | 2012-12-28 | Directional broadcast transmission method for access controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105376346A (en) * | 2015-12-09 | 2016-03-02 | 北京艾科网信科技有限公司 | Method and system for improving safety of dynamic host configuration protocol (DHCP) |
| CN107231341A (en) * | 2016-12-27 | 2017-10-03 | 深圳市万网博通科技有限公司 | Message processing method and device |
| CN107659899A (en) * | 2016-07-26 | 2018-02-02 | 华为技术有限公司 | A kind of multicast service handling method and access point |
| CN107682165A (en) * | 2017-10-18 | 2018-02-09 | 国电南瑞科技股份有限公司 | Status information cross-network segment transmission method in a kind of power automatic system |
| WO2020011135A1 (en) * | 2018-07-09 | 2020-01-16 | 新华三技术有限公司 | Packet transmission |
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| CN101795465A (en) * | 2010-01-29 | 2010-08-04 | 杭州华三通信技术有限公司 | Method and equipment for group management of APs |
| CN102143045A (en) * | 2010-08-12 | 2011-08-03 | 华为技术有限公司 | Method, device and system for processing service message in wireless local area network |
| CN102238091A (en) * | 2011-07-22 | 2011-11-09 | 中兴通讯股份有限公司 | Message sending method and access controller |
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2012
- 2012-12-28 CN CN201210587882.7A patent/CN103079229B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101795465A (en) * | 2010-01-29 | 2010-08-04 | 杭州华三通信技术有限公司 | Method and equipment for group management of APs |
| CN102143045A (en) * | 2010-08-12 | 2011-08-03 | 华为技术有限公司 | Method, device and system for processing service message in wireless local area network |
| CN102238091A (en) * | 2011-07-22 | 2011-11-09 | 中兴通讯股份有限公司 | Message sending method and access controller |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376346A (en) * | 2015-12-09 | 2016-03-02 | 北京艾科网信科技有限公司 | Method and system for improving safety of dynamic host configuration protocol (DHCP) |
| CN105376346B (en) * | 2015-12-09 | 2018-12-14 | 北京艾科网信科技有限公司 | A kind of method and system improving DHCP protocol safety |
| CN107659899A (en) * | 2016-07-26 | 2018-02-02 | 华为技术有限公司 | A kind of multicast service handling method and access point |
| CN107231341A (en) * | 2016-12-27 | 2017-10-03 | 深圳市万网博通科技有限公司 | Message processing method and device |
| CN107682165A (en) * | 2017-10-18 | 2018-02-09 | 国电南瑞科技股份有限公司 | Status information cross-network segment transmission method in a kind of power automatic system |
| WO2020011135A1 (en) * | 2018-07-09 | 2020-01-16 | 新华三技术有限公司 | Packet transmission |
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| CN103079229B (en) | 2015-07-15 |
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