CN102026246B - Link aggregation processing method, system and wireless access point - Google Patents
Link aggregation processing method, system and wireless access point Download PDFInfo
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Abstract
The invention provides link aggregation processing method and system and a wireless access point of links. The method comprises the following steps: a first wireless distributed system (WDS) module in a nonroot bridge wireless access point creates an aggregation port creation message according to a received wireless bridge creation request and sends the aggregation port creation message to a first aggregation port module; the first aggregation port module acquires an aggregation port case according to the aggregation port creation message and an aggregation port chain table, wherein the aggregation port case is used for aggregating a plurality of wireless links between the nonroot bridge wireless access point and a root bridge wireless access point; the first WDS module sends a wireless bridge creation message to the root bridge wireless access point through a first radio frequency interface module; and the root bridge wireless access point creates wireless connection with the nonroot bridge wireless access point according to the wireless bridge establishment request. The invention also provides the nonroot bridge wireless access point, the root bridge wireless access point and a wireless communication system. The invention realizes the aggregation of a plurality of links.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of aggregation processing method, system and WAP (wireless access point) of link.
Background technology
Wireless bridge is to design for the point-to-point internetworking of using Wireless microwave to carry out Long-range Data Transmission, it can be used as a kind of at the interconnected store-and-forward unit of link layer realization, can be used for remote, high-speed radio networking between stationary digital device and other stationary digital device.The working method of present wireless bridge can comprise point to point connect, point-to-multipoint and three kinds of modes of relay connection.Wireless bridge can be used for connecting two or more independently network segments, and these network segments are usually located in the different buildings, and to each other at a distance of hundreds of rice to tens kilometer.
Fig. 1 and Fig. 2 are respectively point to point connect model and the point-to-multipoint model in the local area network (LAN) that wireless bridge forms in the prior art, as depicted in figs. 1 and 2, use wireless bridge to connect the network of two separation, in the WLAN (wireless local area network) that wireless bridge forms, access point (Access Point; Hereinafter to be referred as: AP) have two kinds of different roles of root bridge (Root Bridge) and nonroot bridge (Non-root Bridge), wherein, root bridge can form point to point connect with a nonroot bridge, also can form point-to-multipoint with a plurality of nonroot bridges.
Yet, being the wireless link of wall scroll in the prior art between root bridge and the nonroot bridge, the reliability of link is obviously not high, in case certain wireless links disconnects, then the network of both sides is just separated, and the throughput of wall scroll Radio Link is lower.
Summary of the invention
The invention provides a kind of aggregation processing method, system and WAP (wireless access point) of link, in order to solve reliability and the low defective of throughput that the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art, realize the polymerization of multilink, improve the reliability that wireless bridge connects, the link throughput of extended wireless bridge.
The invention provides a kind of aggregation processing method of link, comprising:
The first wireless distribution system WDS module in the nonroot bridge WAP (wireless access point) is set up request structure aggregation port according to the wireless bridge that receives and is created message, described aggregation port is created message send to the first aggregation port module in the described nonroot bridge WAP (wireless access point);
Described the first aggregation port module creates message according to described aggregation port and the aggregation port chained list obtains the aggregation port example, and described aggregation port example is used for many wireless connections between the described nonroot bridge WAP (wireless access point) of polymerization and the root bridge WAP (wireless access point);
A described WDS module sends wireless bridge by the first radio frequency interface module in the described nonroot bridge WAP (wireless access point) to described root bridge WAP (wireless access point) and sets up request, set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
The invention provides a kind of aggregation processing method of link, comprising:
The wireless bridge that the second wireless distribution system WDS module in the root bridge WAP (wireless access point) sends according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module in the described root bridge WAP (wireless access point);
Described the second aggregation port module creates message according to described aggregation port and the aggregation port chained list obtains the aggregation port example, and described aggregation port example is used for many wireless connections between polymerization root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point).
The invention provides a kind of nonroot bridge WAP (wireless access point), comprising:
The first wireless distribution system WDS module, be used for setting up request structure aggregation port according to the wireless bridge that receives and create message, described aggregation port is created message send to the first aggregation port module, and send wireless bridge foundation request by the first radio frequency interface module to the root bridge WAP (wireless access point);
The first aggregation port module is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between the described nonroot bridge WAP (wireless access point) of polymerization and the root bridge WAP (wireless access point);
The first radio frequency interface module, the wireless bridge request of setting up that is used for a described WDS module is sent sends to the root bridge WAP (wireless access point), set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
The invention provides a kind of root bridge WAP (wireless access point), comprising:
The second wireless distribution system WDS module, the wireless bridge that is used for sending according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module in the described root bridge WAP (wireless access point);
The second aggregation port module is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between polymerization root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point);
The second radio frequency interface module, the wireless bridge request of setting up that sends for the WDS module with the nonroot bridge WAP (wireless access point) sends to described the 2nd WDS module.
The invention provides a kind of wireless communication system, comprise an above-mentioned root bridge WAP (wireless access point) and one or more above-mentioned nonroot bridge WAP (wireless access point), described root bridge WAP (wireless access point) is connected with one or more Radio Link in each described nonroot bridge WAP (wireless access point).
The aggregation processing method of link of the present invention, system and WAP (wireless access point), by between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), setting up one or more wireless connections, the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the point to point connect model in the local area network (LAN) that wireless bridge forms in the prior art;
Fig. 2 is the schematic diagram of the point-to-multipoint model in the local area network (LAN) that wireless bridge forms in the prior art;
Fig. 3 is the flow chart of the aggregation processing method embodiment one of link of the present invention;
Fig. 4 is the logical schematic of nonroot bridge WAP (wireless access point) among the aggregation processing method embodiment one of link of the present invention;
Fig. 5 is the flow chart of the aggregation processing method embodiment two of link of the present invention;
Fig. 6 is the logical schematic of root bridge WAP (wireless access point) among the aggregation processing method embodiment two of link of the present invention;
Fig. 7 is the flow chart of the aggregation processing method embodiment three of link of the present invention;
Fig. 8 be among the aggregation processing method embodiment three of link of the present invention aggregation port module and other modules concern schematic diagram;
Fig. 9 is the interface schematic diagram of aggregation port chained list among the aggregation processing method embodiment three of link of the present invention;
Figure 10 is the structural representation of nonroot bridge WAP (wireless access point) embodiment of the present invention;
Figure 11 is the structural representation of root bridge WAP (wireless access point) embodiment of the present invention;
Figure 12 is the structural representation of wireless communication system embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 3 is the flow chart of the aggregation processing method embodiment one of link of the present invention, and as shown in Figure 3, present embodiment provides a kind of aggregation processing method of link, and present embodiment illustrates from nonroot bridge WAP (wireless access point) one side, can specifically comprise the steps:
In the present embodiment, can be provided with the first wireless distribution system (Wireless Distribution System in the nonroot bridge WAP (wireless access point); Hereinafter to be referred as: WDS) module, the first aggregation port (AggregatePort) module and the first radio frequency interface module.Wherein, for the first aggregation port module, because bundling, a plurality of physical connections can form a logic connection, this logic connects can be referred to as aggregation port, the aggregation port function that it provides meets the regulation of IEEE802.3ad standard, can be used for the expansion link bandwidth, and higher connection reliability is provided.The aggregation port function is supported flow equilibrium, flow can be distributed to each Member Link equably, it can also realize link backup, and when Member Link in the aggregation port disconnected, system then automatically was assigned to the flow of this Member Link in the aggregation port on other effective Member Links.In addition, when a Member Link in the aggregation port is received the broadcast or multicast message, will can not be forwarded on other Member Links.
Present embodiment is by setting up the polymerization that many wireless connections realize link between nonroot bridge WAP (wireless access point) and root bridge WAP (wireless access point), present embodiment illustrates the process of setting up of wireless connections from nonroot bridge WAP (wireless access point) one side.The foundation of wireless connections is initiated from nonroot bridge WAP (wireless access point) one side usually in the present embodiment, WDS module in the nonroot bridge WAP (wireless access point) is after finding to set up wireless bridge, namely a WDS module is after receiving wireless bridge foundation request, the request of setting up makes up aggregation port establishment message to the one WDS module according to this wireless bridge, and this aggregation port creates the name information of carrying the nonroot bridge WAP (wireless access point) in message.The one WDS module creates message with this aggregation port and sends to the first aggregation port module behind the structure of finishing aggregation port establishment message.
In this step, the first aggregation port module is after receiving aggregation port establishment message, can obtain the aggregation port example according to this aggregation port establishment message and aggregation port chained list, this aggregation port example is used for many wireless connections between polymerization nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point).Particularly, the first aggregation port module can create first the name information of the nonroot bridge WAP (wireless access point) of carrying in the message according to aggregation port, from the aggregation port chained list, search and whether have corresponding aggregation port example, if, then carry out and from the aggregation port chained list, obtain this aggregation port example, otherwise the first aggregation port module creates corresponding aggregation port example according to the name information of this nonroot bridge WAP (wireless access point), and this aggregation port example is added in the aggregation port chained list.Usually, when between nonroot bridge WAP (wireless access point) and root bridge WAP (wireless access point), setting up article one wireless connections, the first aggregation port module need to create the aggregation port example again, and for when other wireless connections of setting up between the two, then can from the aggregation port chained list, directly obtain the aggregation port example that has created.
Step 303, the one WDS module sends wireless bridge by the first radio frequency interface module in the described nonroot bridge WAP (wireless access point) to described root bridge WAP (wireless access point) and sets up request, set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
After nonroot bridge WAP (wireless access point) one side gets access to corresponding aggregation port example, the one WDS module sends wireless bridge by the first radio frequency interface module to the root bridge WAP (wireless access point) and sets up request, set up the name information of carrying the nonroot bridge WAP (wireless access point) in the request at this wireless bridge, by the root bridge WAP (wireless access point) according to this wireless bridge the request of setting up set up and the nonroot bridge WAP (wireless access point) between wireless connections.Present embodiment can by repeating above-mentioned steps 301-303, be set up many wireless connections to be implemented between nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point).
Further, the root bridge WAP (wireless access point) finish and the nonroot bridge WAP (wireless access point) between after the foundation of wireless connections, the aggregation processing method of the link that present embodiment provides can also comprise: when a WDS module receives the wireless bridge foundation response of root bridge WAP (wireless access point) transmission, the one WDS module is set up response according to wireless bridge and is made up connection status change message, and connection status is changed message sends to the first aggregation port module; The first aggregation port module is upgraded corresponding connection status in the aggregation port chained list according to connection status change message.The root bridge WAP (wireless access point) finish and the nonroot bridge WAP (wireless access point) between after the foundation of wireless connections, the one WDS receives the wireless bridge foundation response that the root bridge WAP (wireless access point) is returned, the one WDS module is set up response according to this wireless bridge and is made up connection status change message, carry the name information of nonroot bridge WAP (wireless access point) and the identification information of wireless connections in this connection status change message, a WDS module sends to the first aggregation port module with this connection status change message.The first aggregation port module is upgraded the connection status of corresponding wireless connections according to this connection status change message, it is updated to connect, and then finishes the process of setting up of these wireless connections.
Fig. 4 is the logical schematic of nonroot bridge WAP (wireless access point) among the aggregation processing method embodiment one of link of the present invention, as shown in Figure 4, AP1 can represent an aggregation port example of the first aggregation port module creation, it creates respectively two wireless connections by two the first radio frequency interface module, namely connect 11 be connected 12.As can be seen from the figure, present embodiment is by setting up the first aggregation port module in the nonroot bridge WAP (wireless access point), wireless connections between this nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point) can be expanded to many from wall scroll of the prior art, this sentences two and is example.Wherein, upper layer application is corresponding to open system interconnection (Open System Interconnect; Hereinafter to be referred as: OSI) the above part of the network layer in the seven layer network models, link layer drive layer corresponding to the physical layer in the OSI seven layer network models corresponding to the data link layer in the OSI seven layer network models.Part wave point in the first radio frequency interface module drives relevant with bottom layer realization, so its partial data processing procedure is under the link layer.
Present embodiment provides a kind of aggregation processing method of link, by the WDS module in the nonroot bridge WAP (wireless access point) when needs are set up wireless connections, the structure aggregation port creates information and sending to the first aggregation port module, the first aggregation port module gets access to the aggregation port example, send wireless bridge by a WDS module to the root bridge WAP (wireless access point) again and set up request, by many wireless connections between the foundation of root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point); Present embodiment is by setting up many wireless connections between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
Fig. 5 is the flow chart of the aggregation processing method embodiment two of link of the present invention, and as shown in Figure 5, present embodiment provides a kind of aggregation processing method of link, and present embodiment illustrates from root bridge WAP (wireless access point) one side, can specifically comprise the steps:
Step 501, the wireless bridge that the 2nd WDS module in the root bridge WAP (wireless access point) sends according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module in the described root bridge WAP (wireless access point).
For root bridge WAP (wireless access point) one side, the nonroot bridge WAP (wireless access point) sends to the root bridge WAP (wireless access point) with the wireless bridge request of setting up after the foundation of finishing wireless bridge, and this wireless bridge is set up the name information of carrying the nonroot bridge WAP (wireless access point) in the request.The 2nd WDS module in the root bridge WAP (wireless access point) is set up request structure aggregation port according to wireless bridge and is created message, specifically can create message according to the name information structure aggregation port of the nonroot bridge WAP (wireless access point) of wherein carrying, create the name information that also can carry the nonroot bridge WAP (wireless access point) in the message at this aggregation port.The 2nd WDS module sends to this aggregation port establishment message the second aggregation port module in the WAP (wireless access point) again.
The second aggregation port module creates message according to the aggregation port that receives and the aggregation port chained list obtains the aggregation port example, with by this aggregation port example polymerization root bridge WAP (wireless access point) with to many wireless connections between the root bridge WAP (wireless access point).Particularly, the second aggregation port module can create first the name information of the nonroot bridge WAP (wireless access point) of carrying in the message according to aggregation port, from the aggregation port chained list, search and whether have corresponding aggregation port example, if, then carry out and from the aggregation port chained list, obtain this aggregation port example, otherwise the second aggregation port module creates corresponding aggregation port example according to the name information of this nonroot bridge WAP (wireless access point), and this aggregation port example is added in the aggregation port chained list.Usually, when between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), setting up article one wireless connections, the second aggregation port module need to create the aggregation port example again, and for when other wireless connections of setting up between the two, then can from the aggregation port chained list, directly obtain the aggregation port example that has created.
Further, the aggregation processing method of the link that present embodiment provides can also comprise the steps: when the 2nd WDS module decision-making allows wireless connections to connect, the 2nd WDS module construction connection status change message, and connection status is changed message send to the second aggregation port module, carry the name information of nonroot bridge corresponding to wireless connections in the described connection status change message; The second aggregation port module is upgraded corresponding connection status in the aggregation port chained list according to connection status change message; The 2nd WDS module sends wireless bridge by the second radio frequency interface module to the nonroot bridge WAP (wireless access point) and sets up response.After finishing the foundation of wireless connections between root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point), whether the root bridge WAP (wireless access point) is made a strategic decision allows to access this wireless connections, after decision-making allows access, the 2nd WDS module construction connection status change message, also can carry the name information of nonroot bridge WAP (wireless access point) in this connection status change message, take show the wireless connections that allow access as and this nonroot bridge WAP (wireless access point) between wireless connections.The 2nd WDS module sends to the second aggregation port module with this connection status change message, and the second aggregation port module is updated to connection status according to the connection status of corresponding wireless connections in this connection status change information updating aggregation port chained list with it.Then, the 2nd WDS module sends wireless bridge by the second radio frequency interface module to the nonroot bridge WAP (wireless access point) again and sets up response, is upgraded by the state of nonroot bridge WAP (wireless access point) to corresponding wireless connections.Perhaps, the 2nd WDS module also can send wireless bridge by two radio frequency interface module to the nonroot bridge WAP (wireless access point) first and set up response, makes up connection status change message again.
Fig. 6 is the logical schematic of root bridge WAP (wireless access point) among the aggregation processing method embodiment two of link of the present invention, as shown in Figure 6, AP1, AP2 can represent respectively two aggregation port examples of the second aggregation port module creation, it creates respectively two wireless connections separately by two the second radio frequency interface module, namely connect 11 be connected 12, connect 21 be connected 22.As can be seen from the figure, present embodiment is by setting up the second aggregation port module in the root bridge WAP (wireless access point), wireless connections between this root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point) can be expanded to many from wall scroll of the prior art, AP1 among the figure, AP2 represents respectively aggregation port example corresponding to wireless connections between root bridge WAP (wireless access point) and two the nonroot bridge WAP (wireless access point), AP1 is corresponding to two wireless connections between one of them nonroot bridge WAP (wireless access point), namely connect 11 be connected 12, and AP2 is corresponding to wherein two wireless connections between another nonroot bridge WAP (wireless access point), namely connect 21 be connected 22, then be equivalent to have between this root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point) be connected 11 be connected 12 two wireless connections, with have between another nonroot bridge WAP (wireless access point) be connected 21 be connected 22 two wireless connections.
Present embodiment provides a kind of aggregation processing method of link, by the root bridge WAP (wireless access point) after receiving wireless bridge that the nonroot bridge WAP (wireless access point) sends and setting up request, the 2nd WDS module structure aggregation port creates information and sending to the second aggregation port module, the second aggregation port module gets access to the aggregation port example, with many wireless connections between foundation and the nonroot bridge WAP (wireless access point); Present embodiment is by setting up many wireless connections between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
Fig. 7 is the flow chart of the aggregation processing method embodiment three of link of the present invention, and as shown in Figure 7, present embodiment provides a kind of aggregation processing method of link, can specifically comprise the steps:
When nonroot bridge wireless access point discovery need to be set up wireless bridge, the WDS module in the nonroot bridge WAP (wireless access point) received wireless bridge and sets up request (Association request/Reassociationrequest).
The one WDS module creates message according to this wireless bridge foundation request structure aggregation port, creates the name information that can carry the nonroot bridge WAP (wireless access point) in message at this aggregation port, and this aggregation port establishment message is sent to the first aggregation port module.Fig. 8 be among the aggregation processing method embodiment three of link of the present invention aggregation port module and other modules concern schematic diagram, as shown in Figure 8, the first aggregation port module in the present embodiment and following the second aggregation port module all belong to the aggregation port module, just name difference for the differentiation of the two.Similarly, a WDS module and the 2nd WDS module in the present embodiment all belong to the WDS module, and the first radio frequency interface module and the second radio frequency interface module all belong to radio frequency interface module, just name difference for the differentiation of the two.Aggregation port module in the present embodiment is used for that many wireless connections are bundled logic of formation and connects, and realizes the expansion of link bandwidth, provide higher connection reliability, and holding load is balanced.The WDS module is used for notice aggregation port module and carries out establishment and the change of aggregation port example connection status and the forwarding of business datum etc. of aggregation port example.Radio frequency interface module is used for receiving wireless message, and the business datum message is sent to the aggregation port module, and will convert wireless signal to from the message that the aggregation port module receives and send.Command Line Interface (Command Line Interface; Hereinafter to be referred as: CLI) module is used for providing the user interface of aggregation port module, with the configuration load balanced mode.As shown in table 1 below is the structure signal of aggregation port module:
The structure example of table 1 aggregation port module
In the present embodiment, the initialization of aggregation port module is to finish when the system initialization of nonroot bridge WAP (wireless access point) or root bridge WAP (wireless access point), finishes initialization by the call back function that creates aggregation port module process and Message Processing.The type of message of aggregation port resume module can be divided into control message and service message, wherein, aggregation port in this step creates message and belongs to the control message, it is constructed by a WDS, notify the first aggregation port module to carry out the establishment of aggregation port example, the structure of this aggregation port establishment message is as shown in table 2 below:
Table 2 aggregation port creates the topology example of message
Wherein, can be the value of 1, To be 3 to the value of field From and Type.In the present embodiment, the value of field From, To is that the represented implication of 1-4 is specially: the 1-WDS module, the 2-CLI module, 3-aggregation port module, 4-radio frequency mouth module, and the value of field Type to be the represented implication of 1-3 be specially: the 1-aggregation port creates message, 2-connection status change message, 3-business datum.
The first aggregation port module judges whether there is corresponding aggregation port example in the current aggregation port chained list, namely whether have the aggregation port example corresponding with the name information of this nonroot bridge WAP (wireless access point), if exist, then execution in step 704, otherwise execution in step 705.Usually, when article one wireless connections that create between nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point), may there be corresponding aggregation port example in the aggregation port chained list, need again to create, and during the wireless connections such as the second after creating, the 3rd, then there has been corresponding aggregation port example in mouthful chained list, then need not to create again.Fig. 9 is the interface schematic diagram of aggregation port chained list among the aggregation processing method embodiment three of link of the present invention, as shown in Figure 9, aggregation port chained list in the present embodiment is single-track link table, wherein comprise two parts content in each node, a part is the structure of aggregation port example, and another part is for pointing to the pointer of next node.
Step 704, the first aggregation port module is searched corresponding aggregation port example according to the name information that aggregation port creates the nonroot bridge WAP (wireless access point) of carrying in the message from the aggregation port chained list.
When having corresponding aggregation port example in the aggregation port chained list, then corresponding aggregation port example is directly searched and get access to the first aggregation port module according to the name information of nonroot bridge WAP (wireless access point) from the aggregation port chained list, and need not to create again.
When having corresponding aggregation port example in the aggregation port chained list, then the first aggregation port module creates the aggregation port example of a new correspondence according to the name information of nonroot bridge WAP (wireless access point), and this aggregation port example is added in the aggregation port chained list.
The aggregation port example that the first aggregation port module basis is obtained creates the wireless connections between this nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point).
When the nonroot bridge WAP (wireless access point) wireless bridge that it receives of finishing dealing with is set up request, namely finish self side and the root bridge WAP (wireless access point) between the establishment of wireless connections after, the one WDS module sends wireless bridge by the first radio frequency interface module to the 2nd WDS module in the root bridge WAP (wireless access point) and sets up request, this wireless bridge is set up the name information that can carry the nonroot bridge WAP (wireless access point) in the request, specifically can carry this name information in manufacturer's custom field.
The nonroot bridge WAP (wireless access point) is after receiving this wireless bridge foundation request, the 2nd WDS module is wherein set up according to this wireless bridge and is asked to construct aggregation port establishment message, this aggregation port creates the name information that can carry the nonroot bridge WAP (wireless access point) in the message, and this aggregation port establishment message is sent to the second aggregation port module.
The second aggregation port module judges whether there is corresponding aggregation port example in the current aggregation port chained list, namely whether have the aggregation port example corresponding with the name information of this nonroot bridge WAP (wireless access point), if exist, then execution in step 710, otherwise execution in step 711.
Step 710, the second aggregation port module is searched corresponding aggregation port example according to the name information that aggregation port creates the nonroot bridge WAP (wireless access point) of carrying in the message from the aggregation port chained list.
When having corresponding aggregation port example in the aggregation port chained list, then corresponding aggregation port example is directly searched and get access to the second aggregation port module according to the name information of nonroot bridge WAP (wireless access point) from the aggregation port chained list, and need not to create again.
Step 711, the second aggregation port module creates message establishing aggregation port example according to aggregation port, and the aggregation port example is added in the aggregation port chained list.
When having corresponding aggregation port example in the aggregation port chained list, then the second aggregation port module creates the aggregation port example of a new correspondence according to the name information of nonroot bridge WAP (wireless access point), and this aggregation port example is added in the aggregation port chained list.
The aggregation port example that the second aggregation port module basis is obtained creates the wireless connections between root bridge WAP (wireless access point) and this nonroot bridge WAP (wireless access point).
After step 713, the decision-making of root bridge WAP (wireless access point) allow wireless connections to access, the 2nd WDS module construction connection status change message, and connection status is changed message send to described the second aggregation port module.
After wireless connections between the decision-making permission of root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point) access, the 2nd WDS module construction connection status change message changes the name information that can carry this nonroot bridge WAP (wireless access point) in message in this connection status.The 2nd WDS module sends to described the second aggregation port module with the connection status change message that makes up.The aggregation port of the structure of connection status in this step change message shown in can similar above-mentioned table 2 creates message, and wherein, the value of field From is 1, and the value of field To is 3, and the value of field Type is 2.
Step 714, the second aggregation port module is upgraded corresponding connection status in the described aggregation port chained list according to connection status change message.
The second aggregation port module is upgraded corresponding connection status in the aggregation port chained list according to the connection status that receives change message, can be specially connection status with the wireless connections corresponding with this name information herein and be updated to and connect.
After the root bridge WAP (wireless access point) was finished the renewal of this locality to the connection status of wireless connections, the 2nd WDS module sent wireless bridge by the second radio frequency interface module to the nonroot bridge WAP (wireless access point) and sets up response (Association response/Reassociation response).
Step 716, a WDS module receive the wireless bridge foundation response that the root bridge WAP (wireless access point) sends, and make up connection status according to wireless bridge foundation response and change message, and described connection status change message is sent to described the first aggregation port module.
WDS in the nonroot bridge WAP (wireless access point) makes up connection status change message according to this response and sends to the first aggregation port module after receiving this wireless bridge foundation response.
The first aggregation port module is upgraded corresponding connection status in the aggregation port chained list according to the connection status that receives change message, can be specially connection status with the wireless connections corresponding with this name information herein and be updated to and connect.
Through above-mentioned steps, then can finish the foundation of the wireless connections between nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point), the repetition above-mentioned steps just can be implemented between nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point) sets up many wireless connections.
Further, in the present embodiment, except above-mentioned foundation in wireless connections is updated to the state with wireless connections after finishing the connection status, can also comprise the steps: when certain wireless connections disconnects, the 2nd WDS module in the root bridge WAP (wireless access point) can make up new connection status change message, according to this connection status change message the state of wireless connections corresponding in the aggregation port chained list is updated to port, and upgrades by the state of the second radio frequency interface module notice nonroot bridge WAP (wireless access point) to wherein wireless connections.
Further, in the present embodiment, between root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point) except transmitting above-mentioned control data flow, can also flow by service data transmission, after namely the wireless bridge between the two is set up and is finished, when the nonroot bridge WAP (wireless access point) sends business data flow to the root bridge WAP (wireless access point), can comprise the steps: that the business datum that a WDS module will send to the root bridge WAP (wireless access point) sends to the first aggregation port module, the first aggregation port module is forwarded to described the first radio frequency interface module with described business datum, by the first radio frequency interface module business datum is sent to the root bridge WAP (wireless access point).The second radio frequency interface module of root bridge WAP (wireless access point) receives business datum, business datum is forwarded to the second aggregation port module, the second aggregation port module is forwarded to described the 2nd WDS module with described business datum, by the 2nd WDS module business datum is sent on the equipment such as terminal.When the root bridge WAP (wireless access point) sends business data flow to the nonroot bridge WAP (wireless access point), after can comprising the steps: that the root bridge WAP (wireless access point) receives business datum from the outside, the the second aggregation port module that is specially in the root bridge WAP (wireless access point) receives business datum by the 2nd WDS module, the second aggregation port module is forwarded to described the second radio frequency interface module with described business datum, and the second radio frequency interface module sends to business datum on the nonroot bridge WAP (wireless access point) again.The first aggregation port module in the nonroot bridge WAP (wireless access point) receives business datum by the first radio frequency interface module, and described business datum is forwarded to a WDS module, follow-uply transmits this business datum to the outside by a WDS module again.In the present embodiment, the type of the business datum of transmitting between nonroot bridge WAP (wireless access point) and the root bridge WAP (wireless access point) is service message, and its structure is as shown in table 3 below:
The topology example of table 3 business datum
Wherein, the value of field From can for 1 or the value of 4, To can be 3, the value of field Type can be 3.
Present embodiment provides a kind of aggregation processing method of link, by between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), setting up many wireless connections, the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Figure 10 is the structural representation of nonroot bridge WAP (wireless access point) embodiment of the present invention, and as shown in figure 10, present embodiment provides a kind of nonroot bridge WAP (wireless access point), can specifically carry out each step among said method embodiment one or the embodiment three, repeats no more herein.The nonroot bridge WAP (wireless access point) that present embodiment provides can specifically comprise a WDS module 1001, the first aggregation port module 1002 and the first radio frequency interface module 1003.Wherein, the one WDS module 1001 is used for setting up request structure aggregation port according to the wireless bridge that receives and creates message, described aggregation port is created message send to the first aggregation port module 1002, and send wireless bridge foundation request by the first radio frequency interface module 1003 to the root bridge WAP (wireless access point).The first aggregation port module 1002 is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between the described nonroot bridge WAP (wireless access point) of polymerization and the root bridge WAP (wireless access point).The first radio frequency interface module 1003 is used for the wireless bridge request of setting up that a WDS module 1001 sends is sent to the root bridge WAP (wireless access point), set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
Particularly, WDS module 1001 in the present embodiment can also be used for when the wireless bridge that receives described root bridge WAP (wireless access point) transmission is set up response, set up response according to described wireless bridge and make up connection status change message, and connection status is changed message send to the first aggregation port module 1002.The first aggregation port module 1002 also is used for according to connection status change message the corresponding connection status of described aggregation port chained list being upgraded.
More specifically, 1002 concrete being used for when there is the aggregation port example in the aggregation port chained list of the first aggregation port module in the present embodiment, the name information that creates the nonroot bridge WAP (wireless access point) of carrying in the message according to described aggregation port is searched the aggregation port example that obtains correspondence from described aggregation port chained list; When not having the aggregation port example in the aggregation port chained list, create message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
More specifically, stating the first aggregation port module 1002 and can also be used for receive the business datum that a WDS module 1001 sends in the present embodiment be forwarded to the first radio frequency interface module 1003 with described business datum.Perhaps, stating the first aggregation port module 1002 and can also be used for receive the business datum that the first radio frequency interface module 1003 sends in the present embodiment be forwarded to a WDS module 1001 with described business datum.
Present embodiment provides a kind of nonroot bridge WAP (wireless access point), by a WDS module when needs are set up wireless connections, the structure aggregation port creates information and sending to the first aggregation port module, the first aggregation port module gets access to the aggregation port example, send wireless bridge by a WDS module to the root bridge WAP (wireless access point) again and set up request, by many wireless connections between the foundation of root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point); Present embodiment is by setting up many wireless connections between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
Figure 11 is the structural representation of root bridge WAP (wireless access point) embodiment of the present invention, and as shown in figure 11, present embodiment provides a kind of root bridge WAP (wireless access point), can specifically carry out each step among said method embodiment two or the embodiment three, repeats no more herein.The root bridge WAP (wireless access point) that present embodiment provides can specifically comprise the 2nd WDS module 1101, the second aggregation port module 1102 and the second radio frequency interface module 1103.Wherein, the wireless bridge that the 2nd WDS module 1101 is used for sending according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module 1102 in the described root bridge WAP (wireless access point).The second aggregation port module 1102 is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between polymerization root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point).The second radio frequency interface module 1103 is used for the wireless bridge request of setting up of the WDS module transmission of nonroot bridge WAP (wireless access point) is sent to the 2nd WDS module 1101.
Particularly, the 2nd WDS module 1101 in the present embodiment also is used for when decision-making allows wireless connections to connect, make up connection status change message, and described connection status change message sent to the second aggregation port module 1102, carry the name information of nonroot bridge corresponding to described wireless connections in the described connection status change message, and send wireless bridge foundation response by the second radio frequency interface module 1103 to described nonroot bridge WAP (wireless access point).The second aggregation port module 1102 also is used for according to described connection status change message the corresponding connection status of described aggregation port chained list being upgraded.
Particularly, the second aggregation port module 1102 in the present embodiment can specifically be used for when there is the aggregation port example in the aggregation port chained list, and the name information that creates the nonroot bridge WAP (wireless access point) of carrying in the message according to described aggregation port is searched the aggregation port example that obtains correspondence from described aggregation port chained list; When not having the aggregation port example in the aggregation port chained list, create message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
More specifically, the second aggregation port module 1102 in the present embodiment also is used for receiving the business datum that the 2nd WDS module 1101 sends, and described business datum is forwarded to the second radio frequency interface module 1103.Perhaps, the second aggregation port module 1102 in the present embodiment also is used for receiving the business datum that the second radio frequency interface module 1103 sends, and described business datum is forwarded to the 2nd WDS module 1101.
Present embodiment provides a kind of root bridge WAP (wireless access point), after setting up request at the wireless bridge that receives the transmission of nonroot bridge WAP (wireless access point), the 2nd WDS module structure aggregation port creates information and sending to the second aggregation port module, the second aggregation port module gets access to the aggregation port example, with many wireless connections between foundation and the nonroot bridge WAP (wireless access point); Present embodiment is by setting up many wireless connections between root bridge WAP (wireless access point) and nonroot bridge WAP (wireless access point), the wall scroll wireless link causes between the root bridge and nonroot bridge in the prior art reliability and the low defective of throughput have been solved, realized the polymerization of multilink, improve the reliability that wireless bridge connects, expanded the link throughput of wireless bridge.
Figure 12 is the structural representation of wireless communication system embodiment of the present invention, as shown in figure 12, present embodiment provides a kind of wireless communication system, this wireless communication system can specifically comprise an above-mentioned root bridge WAP (wireless access point) shown in Figure 11 and one or more above-mentioned nonroot bridge WAP (wireless access point) shown in Figure 10, repeat no more herein, wherein, the root bridge WAP (wireless access point) is connected with one or more Radio Link in each described nonroot bridge WAP (wireless access point).
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. the aggregation processing method of a link is characterized in that, comprising:
The first wireless distribution system WDS module in the nonroot bridge WAP (wireless access point) is set up request structure aggregation port according to the wireless bridge that receives and is created message, described aggregation port is created message send to the first aggregation port module in the described nonroot bridge WAP (wireless access point);
Described the first aggregation port module creates message according to described aggregation port and the aggregation port chained list obtains the aggregation port example, and described aggregation port example is used for many wireless connections between the described nonroot bridge WAP (wireless access point) of polymerization and the root bridge WAP (wireless access point);
A described WDS module sends wireless bridge by the first radio frequency interface module in the described nonroot bridge WAP (wireless access point) to described root bridge WAP (wireless access point) and sets up request, set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
2. method according to claim 1 is characterized in that, also comprises:
When a described WDS module receives the wireless bridge foundation response of described root bridge WAP (wireless access point) transmission, a described WDS module is set up response according to described wireless bridge and is made up connection status change message, and described connection status change message is sent to described the first aggregation port module;
Described the first aggregation port module is upgraded corresponding connection status in the described aggregation port chained list according to described connection status change message.
3. method according to claim 1 and 2 is characterized in that, described the first aggregation port module creates message and aggregation port chained list according to described aggregation port and obtains the aggregation port example and comprise:
When having the aggregation port example in the aggregation port chained list, described the first aggregation port module is searched the aggregation port example that obtains correspondence according to the name information that described aggregation port creates the nonroot bridge WAP (wireless access point) of carrying in the message from described aggregation port chained list;
When not having the aggregation port example in the aggregation port chained list, described the first aggregation port module creates message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
4. method according to claim 1 and 2 is characterized in that, also comprises:
Described the first aggregation port module receives the business datum that a described WDS module sends, and described business datum is forwarded to described the first radio frequency interface module; Perhaps
Described the first aggregation port module receives the business datum that described the first radio frequency interface module sends, and described business datum is forwarded to a described WDS module.
5. the aggregation processing method of a link is characterized in that, comprising:
The wireless bridge that the second wireless distribution system WDS module in the root bridge WAP (wireless access point) sends according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module in the described root bridge WAP (wireless access point); The request of setting up of described wireless bridge is that described nonroot bridge WAP (wireless access point) sends to described root bridge WAP (wireless access point) after the foundation of finishing wireless bridge, and described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request;
Described the second aggregation port module creates message according to described aggregation port and the aggregation port chained list obtains the aggregation port example, and described aggregation port example is used for many wireless connections between polymerization root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point).
6. method according to claim 5 is characterized in that, also comprises:
When described the 2nd WDS module decision-making allows wireless connections to connect, described the 2nd WDS module construction connection status change message, and described connection status change message sent to described the second aggregation port module, carry the name information of nonroot bridge corresponding to described wireless connections in the described connection status change message;
Described the second aggregation port module is upgraded corresponding connection status in the described aggregation port chained list according to described connection status change message;
Described the 2nd WDS module sends wireless bridge by the second radio frequency interface module to described nonroot bridge WAP (wireless access point) and sets up response.
7. according to claim 5 or 6 described methods, it is characterized in that described the second aggregation port module creates message and aggregation port chained list according to described aggregation port and obtains the aggregation port example and comprise:
When having the aggregation port example in the aggregation port chained list, described the second aggregation port module is searched the aggregation port example that obtains correspondence according to the name information that described aggregation port creates the nonroot bridge WAP (wireless access point) of carrying in the message from described aggregation port chained list;
When not having the aggregation port example in the aggregation port chained list, described the second aggregation port module creates message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
8. according to claim 5 or 6 described methods, it is characterized in that, also comprise:
Described the second aggregation port module receives the business datum that described the 2nd WDS module sends, and described business datum is forwarded to described the second radio frequency interface module; Perhaps
Described the second aggregation port module receives the business datum that described the second radio frequency interface module sends, and described business datum is forwarded to described the 2nd WDS module.
9. a nonroot bridge WAP (wireless access point) is characterized in that, comprising:
The first wireless distribution system WDS module, be used for setting up request structure aggregation port according to the wireless bridge that receives and create message, described aggregation port is created message send to the first aggregation port module, and send wireless bridge foundation request by the first radio frequency interface module to the root bridge WAP (wireless access point);
The first aggregation port module is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between the described nonroot bridge WAP (wireless access point) of polymerization and the root bridge WAP (wireless access point);
The first radio frequency interface module, the wireless bridge request of setting up that is used for a described WDS module is sent sends to the root bridge WAP (wireless access point), set up the wireless connections of asking between foundation and the described nonroot bridge WAP (wireless access point) by described root bridge WAP (wireless access point) according to described wireless bridge, described wireless bridge is set up the name information of carrying described nonroot bridge WAP (wireless access point) in the request.
10. access point according to claim 9, it is characterized in that, a described WDS module also is used for when the wireless bridge that receives described root bridge WAP (wireless access point) transmission is set up response, set up response according to described wireless bridge and make up connection status change message, and described connection status change message is sent to described the first aggregation port module;
Described the first aggregation port module also is used for according to described connection status change message the corresponding connection status of described aggregation port chained list being upgraded.
11. according to claim 9 or 10 described access points, it is characterized in that, described the first aggregation port module specifically is used for when there is the aggregation port example in the aggregation port chained list, and the name information that creates the nonroot bridge WAP (wireless access point) of carrying in the message according to described aggregation port is searched the aggregation port example that obtains correspondence from described aggregation port chained list; When not having the aggregation port example in the aggregation port chained list, create message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
12. according to claim 9 or 10 described access points, it is characterized in that described the first aggregation port module also is used for receiving the business datum that a described WDS module sends, and described business datum is forwarded to described the first radio frequency interface module; Perhaps also be used for receiving the business datum that described the first radio frequency interface module sends, described business datum is forwarded to a described WDS module.
13. a root bridge WAP (wireless access point) is characterized in that, comprising:
The second wireless distribution system WDS module, the wireless bridge that is used for sending according to the nonroot bridge WAP (wireless access point) that receives is set up request structure aggregation port and is created message, described aggregation port is created message send to the second aggregation port module in the described root bridge WAP (wireless access point);
The second aggregation port module is used for obtaining the aggregation port example according to described aggregation port establishment message and aggregation port chained list, and described aggregation port example is used for many wireless connections between polymerization root bridge WAP (wireless access point) and the nonroot bridge WAP (wireless access point);
The second radio frequency interface module, the wireless bridge request of setting up that sends for the WDS module with the nonroot bridge WAP (wireless access point) sends to described the 2nd WDS module.
14. access point according to claim 13, it is characterized in that, described the 2nd WDS module also is used for when decision-making allows wireless connections to connect, make up connection status change message, and described connection status change message sent to described the second aggregation port module, carry the name information of nonroot bridge corresponding to described wireless connections in the described connection status change message, and send wireless bridge foundation response by the second radio frequency interface module to described nonroot bridge WAP (wireless access point);
Described the second aggregation port module also is used for according to described connection status change message the corresponding connection status of described aggregation port chained list being upgraded.
15. according to claim 13 or 14 described access points, it is characterized in that, described the second aggregation port module specifically is used for when there is the aggregation port example in the aggregation port chained list, and the name information that creates the nonroot bridge WAP (wireless access point) of carrying in the message according to described aggregation port is searched the aggregation port example that obtains correspondence from described aggregation port chained list; When not having the aggregation port example in the aggregation port chained list, create message establishing aggregation port example according to described aggregation port, and described aggregation port example is added in the described aggregation port chained list.
16. according to claim 13 or 14 described access points, it is characterized in that described the second aggregation port module also is used for receiving the business datum that described the 2nd WDS module sends, and described business datum is forwarded to described the second radio frequency interface module; Perhaps also be used for receiving the business datum that described the second radio frequency interface module sends, described business datum is forwarded to described the 2nd WDS module.
17. wireless communication system, it is characterized in that, comprise among one or more claim 9-12 each described root bridge WAP (wireless access point) among each described nonroot bridge WAP (wireless access point) and the claim 13-16, described root bridge WAP (wireless access point) is connected with one or more Radio Link in each described nonroot bridge WAP (wireless access point).
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| CN101465721A (en) * | 2008-12-30 | 2009-06-24 | 上海地面通信息网络有限公司 | Method for ensuring switched network high redundancy by multi-technology |
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| CN1412980A (en) * | 2002-11-08 | 2003-04-23 | 华为技术有限公司 | Data transmission method between web bridge |
| CN101465721A (en) * | 2008-12-30 | 2009-06-24 | 上海地面通信息网络有限公司 | Method for ensuring switched network high redundancy by multi-technology |
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