CN104426691B - Fault handling method, aggregation gateway and wireless side gateway - Google Patents
Fault handling method, aggregation gateway and wireless side gateway Download PDFInfo
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Abstract
The embodiments of the invention provide a kind of fault handling method, AGG and RSG.Wherein, this method includes：Main aggregation gateway AGG first interface plate obtains the host route information of the target BS of wireless side gateway RSG address corresponding to the main AGG to honeycomb side gateway CSG pseudo-wire PW and PW bindings；When the first interface plate detects that the PW breaks down, the first interface plate sends failure notification message to the second interface plate of the main AGG, and the failure notification message carries the host route information, and the destination address of the failure notification message is the address of the RSG；After the second interface plate receives the failure notification message, the failure notification message is sent to the RSG.The embodiment of the present invention can reduce failure recovery time.
Description
Technical field
The present invention relates to the communications field, and more particularly, to a kind of fault handling method, aggregation gateway and wireless side
Gateway.
Background technology
With the development of communication service, major operator starts to dispose 3G (Third Generation) Moblie（3rd-generation,
3G）Network or Long Term Evolution（Long Term Evolution, LTE）Network, while using interconnection protocol (Internet
Protocol, IP) network carries wireless traffic, the bandwidth demand that is increased with meeting mobile Internet not stop.
In 3G and LTE network, base station be substantially all using ether interface access IP bearer networks, while mobile service for
There is very high requirement the time of failure convergence, so to IP Radio Access Networks（Radio Access Network, RAN）Group
When the reliability engineering of net requires that very high, current IPRAN solutions break down for LSP, typically with following place
Reason mode：
In main aggregation gateway（Aggregation Gateway, AGG）Side, as LSP corresponding to main PW corresponding to target BS
When breaking down, main AGG two-way converting detection（Bidirectional Forwarding Detection, BFD）Interface
Plate is perceived after LSP breaks down, and notifies master control borad；Master control borad assemble route withdraw message, then by with wireless side gateway
（Radio Side Gateway, RSG）The interface board of communication is sent to RSG.
After RSG sides, the message that above-mentioned revocation route is received with the main AGG interface boards to communicate, by the route withdraw
Message is sent to master control borad；After master control borad receives the route withdraw message, path corresponding to target BS is recalculated（Will
Next-hop is changed to backup AGG）, by the new forwarding-table item of the target BS and it is handed down to and radio network controller（Radio
Network Controller, RNC）, mobile management entity（Mobile Manage Entity, MME）Or gateway
（Servicing Gateway, SGW）The interface board of communication；The interface board to be communicated with RNC, MME or SGW is according to the new forwarding
The message that RNC, MME or SGW are sent to target BS by list item is sent to backup AGG.
Above processing mode is whether in AGG sides or in RSG sides, and processing is all more complicated, and message is repeatedly in interface board
Transmitted between master control borad, while also need to calculate again again and once route in RSG master control borad, be then issued to interface board again,
Failure recovery time is longer, reduces service quality, and Consumer's Experience is poor.
The content of the invention
The embodiment provides a kind of fault handling method, aggregation gateway and wireless side gateway, can reduce event
Hinder processing time, so as to improve service quality, improve Consumer's Experience.
First aspect, there is provided a kind of fault handling method, including：
Main aggregation gateway AGG first interface plate obtains wireless corresponding to the main AGG to honeycomb side gateway CSG pseudo-wire PW
The host route information of the target BS of side gateway RSG address and PW bindings；The PW is detected in the first interface plate
When breaking down, the first interface plate sends failure notification message to the second interface plate of the main AGG, and the failure notification message is taken
With the host route information, the destination address of the failure notification message is the address of the RSG；The second interface plate receives the event
After hindering notice message, the failure notification message is sent to the RSG.
With reference in a first aspect, in the first possible implementation of first aspect, methods described also includes：Described
One interface board obtain the PW information and the PW corresponding to LSP information, wherein, it is described to be examined in the first interface plate
When measuring the PW and breaking down, failure notification message is sent to the second interface plate of the main AGG, including：Described first
When interface board LSP according to corresponding to the information of the PW and PW infomation detection is to the PW failures, described first connects
Oralia sends the failure notification message to the second interface plate.
With reference to the first possible implementation of first aspect, in second of possible implementation of first aspect
In, this method also includes：The master control borad of the main aggregation gateway AGG determines the main AGG to honeycomb side gateway CSG pseudo-wire PW letter
The address of breath, the information of label switching path LSP corresponding to the PW and RSG corresponding to the PW, and to the first interface of the AGG
Plate sends the information of the PW, the information of the LSP, and the address of the RSG；The first interface plate of the AGG obtains the main AGG to honeybee
RSG corresponding to the information of label switching path LSP corresponding to nest side gateway CSG pseudo-wire PW information, the PW and the PW
Address, and the host route information with the target BS of PW bindings, including：The first interface plate receives and stores the PW's
Information, the information of the LSP, and the address of the RSG, and the first interface plate learn the main frame of the target BS on the PW
Routing iinformation.
In the first or second of possible implementation with reference to first aspect, the third in first aspect is possible
In implementation, LSP corresponding to the PW includes main LSP and backup LSP, and LSP information includes the letter of the main LSP corresponding to the PW
The information of breath and backup LSP；Occurred in the first interface plate according to the information of the PW and the LSP infomation detection to the PW
During failure, failure notification message is sent to the second interface plate of the main AGG, including：The first interface plate is according to the information of the PW
With the infomation detection of the main LSP PW, and in the main lsp failure, according to the information of the PW and backup LSP infomation detection
The PW；When the information according to the PW and the backup LSP infomation detection are to the PW failures, the event is sent to the second interface plate
Hinder notice message.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect
In, routing device that backup AGG corresponding to the CSG belongs on backup LSP；In the information according to the PW with backup LSP's
When infomation detection is to the PW failures, the failure notification message is sent to the second interface plate, including：In the information according to the PW and
Backup LSP infomation detection to the PW failures and trouble point occur between the main AGG and backup AGG or at the main AGG when,
The failure notification message is sent to the second interface plate.
With reference in a first aspect, first aspect the first, second, in the third or the 4th kind of possible implementation,
In the 5th kind of possible implementation of first aspect, the failure notification message is BFD messages, the main frame road of the target BS
Prefix information and mask information are included by information.
Second aspect, there is provided a kind of fault handling method, including：Wireless side gateway RSG master control borad obtains target base
The information of main aggregation gateway AGG information corresponding to the host route information and the target BS stood and backup AGG, and to
The first interface plate of the RSG sends main forwarding-table item and backup forwarding-table item, wherein, the main forwarding-table item includes the master
The information of machine routing iinformation and the main AGG, the backup forwarding-table item include the host route information and described standby
Part AGG information, wherein, the first interface plate communicates with radio network controller, gateway or mobile management entity；Institute
State first interface plate and store the main forwarding-table item and the backup forwarding-table item；Receive in the second interface plate of the RSG
From when the main AGG and destination address are the failure notification message of the RSG, the failure is sent to the first interface plate
Notice message, wherein, the failure notification message carries the host route information；The first interface plate receives the event
When hindering notice message, determine that the main forwarding-table item is unavailable.
With reference to second aspect, in the first possible implementation of second aspect, methods described also includes：Described
One interface board receives the message for being sent to the target BS；According to the backup forwarding-table item, the first interface plate is to institute
State the message that the target BS is sent to described in the interface board transmission to be communicated in RSG with the backup AGG；It is described with it is described standby
The message for being sent to the target BS is sent to backup AGG by the interface board of part AGG communications.
With reference to the possible implementation of the first of second aspect or second aspect, second in second aspect is possible
In implementation, the failure notification message is BFD messages, the host route information of the target BS include prefix information and
Mask information.
The third aspect, there is provided a kind of aggregation gateway AGG, the AGG are main AGG, the AGG corresponding to the gateway CSG of honeycomb side
Including first interface plate and second interface plate；Wherein, the first interface plate is obtained for obtaining the AGG to honeycomb side gateway
The host route information of the target BS of wireless side gateway RSG address corresponding to CSG pseudo-wire PW and PW bindings, and
For when detecting that the PW breaks down, failure notification message, the failure to be sent to the second interface plate of the main AGG
Notice message carries the host route information, and the destination address of the failure notification message is the address of the RSG；Described
Two interface boards are used for after receiving the failure notification message, and the failure notification message is sent to the RSG.
With reference to the third aspect, in the first possible implementation of the third aspect, the first interface plate is specifically used
In：Obtain the PW information and the PW corresponding to LSP information, in the information according to the PW and the LSP
Infomation detection to the PW break down when, send the failure notification message to the second interface plate of the main AGG.
In the first possible implementation with reference to the third aspect, in second of possible implementation of the third aspect
In, the AGG also includes master control borad；Wherein, master control borad be used for determine the main AGG to honeycomb side gateway CSG pseudo-wire PW information,
RSG address corresponding to the information of label switching path LSP corresponding to the PW and the PW, and to the first interface plate of the AGG
Send information, the information of the LSP of the PW, and the address of the RSG；The first interface plate is specifically used for：Receive and store this
PW information, the information of the LSP, and the address of the RSG, and the first interface plate learn the target BS on the PW
Host route information.
In the first or two kinds of possible implementations of the third aspect with reference to the third aspect, the 3rd of the third aspect the
In the possible implementation of kind, LSP corresponding to the PW includes main LSP and backup LSP, and LSP information corresponding to the PW includes should
The information of main LSP information and backup LSP；The first interface plate is specifically used for：According to the information of the PW and the letter of the main LSP
Breath detects the PW, and in the main lsp failure, according to the information of the PW and the backup LSP infomation detection PW；Should in basis
When PW information and the backup LSP infomation detection are to the PW failures, the failure notification message is sent to the second interface plate.
With reference to the third possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect
In, routing device that backup AGG corresponding to the CSG belongs on backup LSP；The first interface plate is specifically used for：Should in basis
PW information and the backup LSP infomation detection between the main AGG and backup AGG or are somebody's turn to do to the PW failures and trouble point generation
When at main AGG, the failure notification message is sent to the second interface plate.
With reference to the third aspect, the third aspect the first, second, in the third or the 4th kind of possible implementation,
In the 5th kind of possible implementation of the third aspect, the failure notification message is BFD messages, the main frame road of the target BS
Prefix information and mask information are included by information.
Fourth aspect, there is provided a kind of wireless side gateway RSG, including master control borad, first interface plate and second interface plate；Its
In, the master control borad is used for main aggregation gateway corresponding to the host route information for obtaining target BS and the target BS
AGG information and backup AGG information, and main forwarding-table item and backup forwarding-table item are sent to the first interface plate of the RSG,
Wherein, the main forwarding-table item includes the host route information and the information of the main AGG, the backup forwarding-table item bag
The host route information and the backup AGG information are included, wherein, the first interface plate and radio network controller,
Gateway or mobile management entity communication；The first interface plate is used to store the main forwarding-table item and the backup forwarding
List item；The second interface plate is used to receive the failure notification message for coming from that the main AGG and destination address are the RSG,
And the failure notification message is sent to the first interface plate, wherein, the failure notification message carries the Host routes
Information；The first interface plate is additionally operable to when receiving the failure notification message, determines that the main forwarding-table item is unavailable.
With reference to fourth aspect, in the first possible implementation of fourth aspect, the first interface plate is additionally operable to
The message for being sent to the target BS is received, and according to the backup forwarding-table item, the first interface plate is into the RSG
The interface board that is communicated with the backup AGG is sent to the message of the target BS described in sending, in order to it is described with it is described standby
The message for being sent to the target BS is sent to backup AGG by the interface board of part AGG communications.
With reference to the first possible implementation of fourth aspect, or fourth aspect, second in fourth aspect may
Implementation in, the failure notification message is BFD messages, and the host route information of the target BS includes prefix information
And mask information.
Therefore, in embodiments of the present invention, in AGG sides, can avoid failure notification message master control borad and interface board it
Between transmit, or in RSG sides, failure notification message can be avoided to be transmitted between master control borad and interface board, and sent out in failure
When raw, it is not necessary to forward-path is recalculated, therefore, it is possible to reduce fault handling time, so as to improve service quality, lifting
Consumer's Experience.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will make below to required in the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the indicative flowchart of fault handling method according to embodiments of the present invention.
Fig. 2 is the schematic figure of BFD messages according to another embodiment of the present invention.
Fig. 3 is the indicative flowchart of fault handling method according to another embodiment of the present invention.
Fig. 4 is the application scenario diagram of fault handling method according to another embodiment of the present invention.
Fig. 5 is the indicative flowchart of the fault handling method under the scene shown in Fig. 4.
Fig. 6 is AGG according to another embodiment of the present invention schematic block diagram.
Fig. 7 is RSG according to another embodiment of the present invention schematic block diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is the part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
Fig. 1 is the indicative flowchart of fault handling method 100 according to embodiments of the present invention.As shown in figure 1, this method
100 include：
110, AGG first interface plate obtains the ground that RSG is closed corresponding to the main AGG to honeycomb side gateway CSG pseudo-wire PW
The host route information of the target BS of location and PW bindings.
120, when the first interface plate detects that the PW breaks down, the first interface plate connects to the second of the main AGG
Oralia sends failure notification message, and the failure notification message carries the information of the host route information and the main AGG, and the failure is led to
The destination address for knowing message is the address of the RSG.The second interface plate is the interface board of RSG communications corresponding with the PW.
130, after the second interface plate receives the failure notification message, the failure notification message is sent to the RSG.
Specifically, in embodiments of the present invention, main AGG and CSG establishes main PW, and main AGG master control borad obtains the main PW's
Information, LSP information corresponding to main PW, and the address of RSG corresponding to the main PW, and the information of the main PW, main PW is corresponding
LSP information, and RSG address is issued to first interface plate corresponding to the main PW；First interface plate stores the main PW
Information, LSP information corresponding to main PW, and the address of RSG corresponding to the main PW, and target is arrived in study on the main PW
During the routing iinformation of base station, the main PW is bound with the target BS；Then, first interface plate is in the letter according to the main PW
Breath and the LSP information, are RSG to the second interface plate sending destination location of the main AGG when detecting that the main PW breaks down
Failure notification message, carry the host route information of target BS and the address of the main AGG in the failure notification message；Should
After second interface plate receives the failure notification message, the failure notification message is forwarded to RSG corresponding to the target BS.
For example, AGG can use whether heartbeat mechanism detection PW breaks down.Specifically, can be by sending BFD reports
Text simultaneously determines whether PW breaks down according to the response message of BFD messages.BFD messages are hello packet, i.e., a kind of heartbeat report
Text, for monitoring the running status of equipment in network and link.Embodiments of the invention are not limited to this, can also utilize other
Mode detects whether PW breaks down.
Therefore, in embodiments of the present invention, main AGG first interface plate obtains nothing corresponding to the PW of main AGG to the CSG
Line side gateway RSG address, and the host route information with the target BS of PW bindings, are detected in first interface plate
During PW failures, the first interface plate will directly carry the failure of the host route information of the target BS by second interface plate
Notice message is sent to RSG corresponding to the target BS, so as to the corresponding LSP hairs of PW between target BS and the main AGG
During raw failure, failure notification message need not transmit between the master control borad and interface board of the main AGG, directly be sent out by interface board
RSG corresponding to the target BS is given, therefore, it is possible to reduce fault handling time, so as to improve service quality, improves use
Experience at family.
In embodiments of the present invention, LSP corresponding to above-mentioned PW can be one or a plurality of, i.e., including main LSP and
Backup LSP.If LSP corresponding to above-mentioned PW is a plurality of, above-mentioned LSP information can include main LSP information and backup LSP
Information.Now, the first interface plate can according to main AGG to CSG PW information and the infomation detection of the main LSP PW,
And in the main lsp failure, according to the information of the PW and the backup LSP infomation detection PW；In the information according to the PW and
When backup LSP infomation detection is to the PW failures, the failure notification message is sent to the second interface plate.
In embodiments of the present invention, above-mentioned PW information can include PW marks, and above-mentioned LSP information can include LSP
Mark.LSP can be identified and is added in LSP detection messages by first interface plate, and whether detect LSP by LSP detection messages former
Barrier.Equally, first interface plate can identify PW and currently used LSP LSP marks are added in PW detection messages, with
Detect PW whether failure.
In embodiments of the present invention, AGG corresponding with CSG can also include backup AGG, i.e. backup AGG and CSG can be built
Vertical backup PW, when backup AGG belongs to the routing device corresponding to main AGG to CSG main PW on backup LSP, then in basis
When main AGG to CSG PW information and the backup LSP infomation detection arrive main AGG to CSG PW failures, and trouble point generation
When between the main AGG and backup AGG or at the main AGG, just the failure notification report is sent to the second interface plate
Text.
In embodiments of the present invention, above-mentioned failure notification message can be realized by the BFD messages of extension, specific report
Literary form can be as shown in Figure 2.
In the Fig. 2, dash area is the embodiment of the present invention for realizing the BFD messages of failure notification relative to existing skill
The field changed and increased newly in art, concrete meaning can be as follows：
1）R field represents to carry the routing iinformation of target BS in the message for 1.
2）Routing Type field indicates that the row information is the prefix information or mask information of the Host routes of target BS,
For example, 1 is expressed as prefix information, 2 are expressed as mask information.
3）Information instruction in length field represents the length of Routing Type field+length field+data field.
4）Data represent actual prefix information or mask information.
In embodiments of the present invention, above-mentioned rapid failure notification message can also be the message of udp protocol form, the present invention
Embodiment is limited in any way not to this.
Therefore, in embodiments of the present invention, main AGG first interface plate obtain the PW of main AGG to the CSG information,
Wireless side gateway RSG address corresponding to LSP information corresponding to the PW and the PW, and the mesh with PW bindings
The host route information of base station is marked, when first interface plate detects PW failures, the first interface plate is straight by second interface plate
Connect and the failure notification message for carrying the host route information of the target BS is sent to RSG corresponding to the target BS, from
And PW between target BS and the main AGG corresponding LSP, when breaking down, failure notification message need not be in the main AGG
Master control borad and interface board between transmit, RSG corresponding to the target BS is directly sent to by interface board, therefore, it is possible to subtract
Glitch processing time, so as to improve service quality, improve Consumer's Experience.
Describe fault handling method according to embodiments of the present invention from AGG sides above, will describe root from RSG sides below
According to the fault handling method of the embodiment of the present invention.
Fig. 3 is the indicative flowchart of fault handling method 200 according to embodiments of the present invention.As shown in figure 3, this method
200 include：
210, RSG master control borad obtains main AGG corresponding to the host route information and the target BS of target BS
The information of information and backup AGG, and main forwarding-table item and backup forwarding-table item are sent to the first interface plate of the RSG, wherein, should
Main forwarding-table item includes the host route information and the information of the main AGG, and the backup forwarding-table item is believed including the Host routes
The information of breath and backup AGG, wherein, the first interface plate is real with radio network controller, gateway or mobile management
Body phase connects.
220, the first interface plate stores the main forwarding-table item and the backup forwarding-table item.
230, the second interface plate of the RSG receive destination address be the RSG failure notification message when, to this first
Interface board sends the failure notification message, wherein, the failure notification message carries the letter of the host route information and the main AGG
Breath.
240, when the first interface plate receives the failure notification message, determine that the main forwarding-table item is unavailable.Wherein, may be used
By by deleting main forwarding-table item or by main forwarding-table item labeled as realizing that main forwarding-table item is unavailable in a manner of disabled.
Main AGG corresponding to target BS and backup AGG are after the host route information of target BS is got, Ke Yifen
The host route information of the target BS RSG corresponding to the target BS is not sent to；RSG master control borad is receiving the mesh
, can be to the of the RSG after marking the host route information of the target BS of main AGG and backup AGG transmissions corresponding to base station
One interface board sends main forwarding-table item and backup forwarding-table item, wherein, the main forwarding-table item can include the master of the target BS
The information of machine routing iinformation and the main AGG as next-hop, the backup forwarding-table item include the main frame road of the target BS
The information of backup AGG by information and as next, the first interface plate are the interfaces to be communicated with RNC, SGW or MME
Plate；First interface plate stores the main forward table after the main forwarding-table item and backup forwarding-table item of master control borad transmission is received
Item and backup forwarding-table item；The failure notification message of the main AGG transmissions of the target BS is received in RSG second interface plate
Afterwards, the failure notification message is sent to first interface plate, wherein, the failure notification message carries the Host routes of the target BS
Information, the second interface plate are the interface boards to be communicated with main AGG；After first interface plate receives the failure notification message,
The main forwarding-table item of above-mentioned storage is set to unavailable.
Therefore, in embodiments of the present invention, RSG master control borad to radio network controller, gateway or moving tube
The first interface plate transmission of reason entity communication includes the host route information of the target BS and the main AGG as next-hop letter
The main forwarding-table item of breath and the information for sending the host route information for including the target BS and the backup AGG as next-hop
Backup forwarding-table item, and the RSG second interface plate to be communicated with main AGG receive carry the target BS Host routes letter
After the failure notification message of breath, the failure notification message can be sent to the first interface plate, the first interface plate can basis
The failure notification message the main forwarding-table item is set to it is unavailable, so as to which failure notification message need not be in master control borad and interface board
Between transmit, and master control borad need not recalculate the forward-path for the message for being sent to target BS, so as to reducing therefore
Hinder processing time, improve service quality, and thereby Consumer's Experience can be lifted.
In embodiments of the present invention, the interface board to be communicated with RNC, SGW or MME can be by multiple, then master control borad can lead to
Above-mentioned main forwarding-table item and backup forwarding-table item are dealt into the multiple interface boards to be communicated with RNC, SGW or MME by the form for crossing broadcast
In, and failure notification message can be sent to and RNC, SGW or MME by the above-mentioned interface board to be communicated with AGG in the form of broadcast
In multiple interface boards of communication.
In embodiments of the present invention, can be RSG master control borad get the host route information of target BS and
After main AGG information corresponding to the target BS, main forwarding-table item is issued, and getting the host route information of target BS
And after backup AGG information corresponding to the target BS, issue backup forwarding-table item or RSG and getting target
After main AGG information corresponding to the host route information of base station and the target BS and backup AGG information, while issue master
Forwarding-table item and backup forwarding-table item.
In embodiments of the present invention, main AGG information can be main AGG address, and the information for backing up AGG can be backup
AGG address.
In embodiments of the present invention, due to first interface plate main forwarding-table item is set to it is unavailable, so in first interface
Plate receives be sent to the message of target BS after, the data message can be sent to and be backed up according to backup forwarding-table item
The interface board of AGG communications, then the interface board by being communicated with backup AGG are sent to backup AGG.
In embodiments of the present invention, the failure notification message is BFD messages, and the host route information of the target BS includes
Prefix information and mask information.The description as described in the failure notification message may be referred to it is described above, for sake of simplicity, herein no longer
Repeat.
It should be understood that in embodiments of the present invention, the interface board with a certain equipment communication, do not limit the interface board and this certain
One equipment direct communication, there can also be other communication equipments between the communication equipment and a certain equipment residing for the interface board,
That is, it is possible to the interface board of matching is found by the information of a certain equipment carried in message, and will by the interface board
The message forwards, then the interface board can be referred to as the interface board with a certain equipment communication.
It should also be understood that in embodiments of the present invention, in forwarding-table item, the AGG as next-hop, which does not limit the AGG, is
RSG direct next-hop.In forwarding-table item, in addition to being provided with AGG address and the host route information of target BS,
It is additionally provided with the information of the interface board to be communicated with the AGG, that is to say, that pass through the host route information and message in forwarding-table item
In host route information matching after, learn that message needs to be sent to a certain AGG, then message can be communicated from the AGG
Interface board forward, in message after the interface board to be communicated with the AGG forwards, it is also possible to can pass through other communication
Equipment simultaneously reaches AGG.
It should be understood that in embodiments of the present invention, method 100 can be used in combination with method 200, and can not also combine makes
With method 100 can be used in AGG sides, and prior art can be used in RSG sides, or can use in AGG sides existing
Method in technology, and can use method 200 in RSG sides.
Describe fault handling method according to embodiments of the present invention from AGG sides and RSG sides respectively above.Below will knot
Close Fig. 4 and Fig. 5 and describe fault handling method 300 according to embodiments of the present invention in a manner of AGG and RSG is interacted.Shown by Fig. 4
Scene used by being this method, i.e. the IP RAN networking scenes of L2VPN+L3VPN, wherein, AGG1 is main corresponding to CSG
AGG, AGG2 be backup AGG, CSG to AGG1 PW corresponding to CSG corresponding to main LSP be CSG-AGG1, corresponding backup LSP is
CSG-AGG2-AGG1, failure 1 occur between CSG and AGG1, and failure 2 occurs between AGG1 and AGG2, in order to realize load
Equilibrium, RSG1 and RSG2 are mesh corresponding to CSG to AGG1 PW for RSG, i.e. RSG1 and RSG2 corresponding to CSG to AGG1 PW
Mark base station service.Fig. 4 is illustrated that the specific interactive mode of this method, wherein, it is simple for description, below with AGG1 and
AGG2 is illustrated exemplified by being interacted with RSG1, and AGG1 and AGG2 are similar with RSG2 interaction.
Wherein, in AGG1, interface board A1 can be two-way converting detection（Bidirectional Forwarding
Detection,BFD）Interface board, interface board A3 are the interface boards to be communicated with RSG1, and certainly, AGG1 can also have other interfaces
Plate, for example, the interface board to be communicated with RSG2, interface board B1 communicates with RSG1, and certainly, AGG2 also has other interface boards, for example, with
The interface board, the interface board to be communicated with RSG2 etc. of target BS communication.In RSG1, interface board C1 is the interface to be communicated with AGG1
Plate, interface board C2 are the interface boards to be communicated with AGG2, and interface board C4 is the interface board to be communicated with RNC, MME or SGW, wherein,
The interface board to be communicated in RSG1 with AGG1 and AGG2 can be an identical interface board.
As shown in figure 5, this method 300 includes：
301A, AGG1 master control borad A2 obtain AGG1 to CSG PW information, LSP information corresponding to the PW, and
RSG address corresponding to the PW, and by AGG1 to CSG PW information, LSP information corresponding to the PW, and the PW are corresponding
RSG address be issued to AGG1 interface board A1.
302A, AGG1 interface board A1 receive AGG1 to CSG PW information, LSP information corresponding to the PW, and are somebody's turn to do
The address of RSG corresponding to PW, and on PW learn target BS routing iinformation, study to target BS routing iinformation
Afterwards, the message for the host route information for carrying the target BS can be directly sent to interface board A3, can also be by the target base
The host route information stood is sent to master control borad A2, and will carry the main frame of target BS by interface board A3 by master control borad A2
The message of routing iinformation is sent to RSG1.
303A, RSG1 interface board C1 receive the message of the host route information of the carrying target BS of AGG1 transmissions
Afterwards, the message is sent to master control borad C3.
301B, AGG2 master control borad B1 are sent after the host route information of target BS is got to interface board B2
Carry the message of the host route information of the target BS.Wherein, the host route information of target BS can be led to by AGG1
Know AGG2's.
The message of the host route information for the carrying target BS that master control borad B1 is sent is sent to by 302B, interface board B2
RSG1。
303B, RSG1 interface board C2 receive the message of the host route information of the carrying target BS of AGG2 transmissions
Afterwards, the message is sent to master control borad C3.
The message and AGG2 of the host route information for the carrying target BS that 304, master control borad C3 are sent according to AGG1 are sent out
After the message of the host route information of the carrying target BS sent, main forwarding-table item and backup forward table are sent to interface board C4
, wherein, in main forwarding-table item, include the host route information of target BS and the AGG1 as next-hop letter
Breath, in backup forwarding-table item, includes the host route information of target BS and the AGG2 as next information.
305, AGG1 interface board A1 main LSP information and the PW infomation detection PW according to corresponding to PW, in interface
According to main LSP infomation detection, to main lsp failure, such as failure 1 as shown in Figure 3 occurs for plate A1, and interface board A1 is according to PW pairs
The backup LSP answered information and the infomation detection PW of the PW, when detecting failure 2 as shown in Figure 3, generate failure notification
Message, the destination address of the failure notification message is RSG1 address, and the failure notification message carries the main frame of target BS
Routing iinformation.
After 306, AGG1 interface board A3 receives the rapid failure notification message of interface board A1 transmissions, by the quick event
Barrier notice message is sent to RSG1.
After 307, RSG1 interface board C1 receives the failure notification message of AGG1 transmissions, the failure is sent to interface board A4
Notice message.
308, RSG1 interface board A4 is according to the failure notification message for coming from AGG1, the main forwarding-table item that itself is stored
It is set to unavailable.
309, RSG1 interface board receives the host route information for carrying target BS of RNC, MME or SGW transmission
Message after, according to backup forwarding-table item, the message is sent to the interface board C2 to be communicated with AGG2.
The message of the host route information for carrying target BS is sent to AGG2 by 310, RSG1 interface board C2,
After AGG2 receives the message, the message is sent to the interface board to be communicated with target BS, and by being communicated with target BS
Interface board be sent to the target BS, specific sending method may be referred to prior art.
It should be understood that the size of the sequence number of each process of above-mentioned each method is not meant to the priority of execution sequence, each process
Execution sequence should determine that the implementation process without tackling the embodiment of the present invention forms any limit with its function and internal logic
It is fixed.
Therefore, in embodiments of the present invention, in AGG sides and RSG sides, can avoid failure notification message in master control borad and
Transmitted between interface board, and in RSG sides, when failure occurs, it is not necessary to forward-path is recalculated, therefore, it is possible to reduce
Fault handling time, so as to improve service quality, improve Consumer's Experience.
Describe fault handling method according to embodiments of the present invention with reference to Fig. 1 to Fig. 5 above.Below with reference to Fig. 6
AGG and RSG according to embodiments of the present invention are described respectively with Fig. 7.
Fig. 6 is AGG400 according to embodiments of the present invention schematic figure.The AGG is main AGG corresponding to CSG, such as Fig. 6 institutes
Show including first interface plate 420 and second interface plate 430；Wherein, the first interface plate 420 is obtained for obtaining the AGG to honeycomb
The Host routes letter of the target BS of wireless side gateway RSG address corresponding to side gateway CSG pseudo-wire PW and PW bindings
Breath, and for when detecting that the PW breaks down, failure notification message, the failure to be sent to the second interface plate of the main AGG
Notice message carries the host route information, and the destination address of the failure notification message is the address of the RSG；The second interface plate
430 are used for after receiving the failure notification message, and the failure notification message is sent to the RSG.
Alternatively, the first interface plate 420 is specifically used for：Obtain the PW information and the PW corresponding to LSP information,
When the infomation detection according to the information of the PW and the LSP breaks down to the PW, to the second interface plate 430 of the main AGG
Send the failure notification message.
Alternatively, as shown in fig. 6, the AGG400 also includes master control borad 410；Wherein, master control borad 410 is used to determine the master
The information of label switching path LSP corresponding to AGG400 to honeycomb side gateway CSG pseudo-wire PW information, the PW and this PW pairs
The RSG answered address, and send the information of the PW, the information of the LSP, and the ground of the RSG to the first interface plate of the AGG
Location；The first interface plate 420 is specifically used for：Receive and store the information of the PW, the information of the LSP, and the address of the RSG,
And the first interface plate learns the host route information of the target BS on the PW.
Alternatively, LSP corresponding to the PW includes main LSP and backup LSP, and LSP information corresponding to the PW includes the main LSP
Information and backup LSP information；The first interface plate 420 is specifically used for：According to the information of the PW and the information of the main LSP
The PW is detected, and in the main lsp failure, according to the information of the PW and the backup LSP infomation detection PW；According to the PW
Information and backup LSP infomation detection to the PW failures when, send the failure notification message to the second interface plate.
Alternatively, the routing device that backup AGG corresponding to the CSG belongs on backup LSP；The first interface plate 410 has
Body is used for：The information according to the PW and backup LSP infomation detection to the PW failures and trouble point occur the main AGG with
When between backup AGG or at the main AGG, the failure notification message is sent to the second interface plate.
Alternatively, the failure notification message is BFD messages, the host route information of the target BS include prefix information and
Mask information.
It should be understood that AGG400 according to embodiments of the present invention may correspond in the fault handling method in the embodiment of the present invention
AGG, and above and other operation and/or function of all parts in AGG400 is respectively for the phase of method 100 or 300
Flow is answered, for sake of simplicity, will not be repeated here.
Therefore, in embodiments of the present invention, main AGG first interface plate obtains wireless side corresponding to main AGG to CSG PW
Gateway RSG address, and the host route information with the target BS of PW bindings, PW events are detected in first interface plate
During barrier, the first interface plate will directly carry the failure notification of the host route information of the target BS by second interface plate
Message is sent to RSG corresponding to the target BS, so as to which the corresponding LSP of PW between target BS and the main AGG occurs
During failure, failure notification message need not transmit between the master control borad and interface board of the main AGG, directly be sent by interface board
To RSG corresponding to the target BS, therefore, it is possible to reduce fault handling time, so as to improve service quality, user is improved
Experience.
Fig. 7 is RSG500 according to embodiments of the present invention schematic figure.As shown in fig. 7, the RSG500 includes：Master control borad
510th, first interface plate 520 and second interface plate 530；Wherein,
The master control borad 510 is used to obtain main convergence net corresponding to the host route information and the target BS of target BS
AGG information and backup AGG information are closed, and main forwarding-table item and backup forward table are sent to the first interface plate 520 of the RSG
, wherein, the main forwarding-table item includes the host route information and the information of the main AGG, and the backup forwarding-table item includes should
The information of host route information and backup AGG, wherein, the first interface plate and radio network controller, gateway or
Mobile management entity communicates.
The first interface plate 520 is used to store the main forwarding-table item and the backup forwarding-table item.
The second interface plate 530 is used to receive the failure notification message for coming from that the main AGG and destination address are the RSG,
And the failure notification message is sent to the first interface plate 520, wherein, the failure notification message carries the host route information.
The first interface plate 530 is additionally operable to, when receiving the failure notification message, determine that the main forwarding-table item is unavailable.
Alternatively, the first interface plate 530 is additionally operable to receive the message for being sent to the target BS, and is turned according to the backup
Forwarding list item, the first interface plate 530 send this with the backup AGG interface boards to communicate into the RSG and are sent to the target BS
Message, in order to which the message for being sent to the target BS is sent to backup by this with the interface board that backup AGG communicates
AGG。
Alternatively, the failure notification message is BFD messages, the host route information of the target BS include prefix information and
Mask information.
It should be understood that RSG500 according to embodiments of the present invention may correspond in the fault handling method in the embodiment of the present invention
RSG, and above and other operation and/or function of all parts in RSG500 is respectively for the phase of method 200 or 300
Flow is answered, for sake of simplicity, will not be repeated here.
Therefore, in embodiments of the present invention, RSG master control borad to radio network controller, gateway or moving tube
The first interface plate transmission of reason entity communication includes the host route information of the target BS and the main AGG as next-hop letter
The main forwarding-table item of breath and the information for sending the host route information for including the target BS and the backup AGG as next-hop
Backup forwarding-table item, and the RSG second interface plate to be communicated with main AGG receive carry the target BS Host routes letter
After the failure notification message of breath, the failure notification message can be sent to the first interface plate, the first interface plate can basis
The failure notification message the main forwarding-table item is set to it is unavailable, so as to which failure notification message need not be in master control borad and interface board
Between transmit, and master control borad need not recalculate the forward-path for the message for being sent to target BS, so as to reducing therefore
Hinder processing time, improve service quality, and thereby Consumer's Experience can be lifted.
Those of ordinary skill in the art with reference to each method described in the embodiments described herein it is to be appreciated that walk
Rapid and unit, it can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and soft
The interchangeability of part, the step of generally describing each embodiment according to function in the above description and composition.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Ability
Domain those of ordinary skill can realize described function using distinct methods to each specific application, but this reality
Now it is not considered that beyond the scope of this invention.
The method or step described with reference to the embodiments described herein can use hardware, the software journey of computing device
Sequence, or the two combination are implemented.Software program can be placed in random access memory（RAM）, internal memory, read-only storage（ROM）、
Institute is public in electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium known.
Although by reference to the mode of accompanying drawing and combination preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should be in the covering scope of the present invention.
Claims (18)
- A kind of 1. fault handling method, it is characterised in that including：Main aggregation gateway AGG first interface plate obtains wireless side corresponding to the main AGG to honeycomb side gateway CSG pseudo-wire PW The host route information of the target BS of gateway RSG address and PW bindings；When the first interface plate detects that the PW breaks down, the first interface plate connects to the second of the main AGG Oralia sends failure notification message, and the failure notification message carries the host route information, the failure notification message Destination address is the address of the RSG；After the second interface plate receives the failure notification message, the failure notification message is sent to the RSG.
- 2. according to the method for claim 1, it is characterised in that methods described also includes：The first interface plate obtain the PW information and the PW corresponding to label switching path LSP information, wherein,It is described when the first interface plate detects that the PW breaks down, to the main AGG second interface plate send therefore Hinder notice message, including：First interface plate LSP according to corresponding to the information of the PW and the PW infomation detection to the PW failures When, the first interface plate sends the failure notification message to the second interface plate.
- 3. according to the method for claim 2, it is characterised in that methods described also includes：The master control borad of the main aggregation gateway AGG determines pseudo-wire PWs of the main AGG to honeycomb side gateway CSG information, described RSG address corresponding to the information of LSP corresponding to PW and the PW, and send the PW to the first interface plate of the AGG Information, the information of the LSP, and the address of the RSG；It is corresponding that the first interface plate of the AGG obtains pseudo-wire PWs of the main AGG to honeycomb side gateway CSG information, the PW Label switching path LSP information and the PW corresponding to RSG address, and the target BS with PW binding Host route information, including：The first interface plate receives and stores the information of the PW, the information of the LSP, and the address of the RSG, and The first interface plate learns the host route information of the target BS on the PW.
- 4. according to the method in claim 2 or 3, it is characterised in that LSP corresponding to the PW includes main LSP and backup LSP, LSP information corresponding to the PW include the information of the main LSP and the information of the backup LSP, wherein,When the first interface plate breaks down according to the information of the PW and the infomation detection of the LSP to the PW, Failure notification message is sent to the second interface plate of the main AGG, including：First interface plate PW according to the information of the PW and the infomation detection of the main LSP, and in the main LSP events During barrier, the PW according to the information of the PW and the backup LSP infomation detection；When the information according to the PW and the backup LSP infomation detection are to the PW failures, to the second interface plate Send the failure notification message.
- 5. according to the method for claim 4, it is characterised in that backup AGG corresponding to the CSG belongs to the backup LSP On routing device,Wherein, when the information according to the PW and the backup LSP infomation detection are to the PW failures, connect to described second Oralia sends the failure notification message, including：Occur in the information according to the PW and the backup LSP infomation detection to the PW failures and trouble point in the master When between AGG and backup AGG or at the main AGG, the failure notification message is sent to the second interface plate.
- 6. method according to claim 1 or 2, it is characterised in that the failure notification message is that two-way converting detects BFD Message, the host route information of the target BS include prefix information and mask information.
- A kind of 7. fault handling method, it is characterised in that including：Main remittance corresponding to the host route information and the target BS of wireless side gateway RSG master control borad acquisition target BS Poly- gateway A GG information and backup AGG information, and send main forwarding-table item and backup turn to the first interface plate of the RSG Forwarding list item, wherein, the main forwarding-table item includes the host route information and the information of the main AGG, and the backup turns Forwarding list item includes the host route information and the information of the backup AGG, wherein, the first interface plate and wireless network Controller, gateway or mobile management entity communication；The first interface plate stores the main forwarding-table item and the backup forwarding-table item；Received in the second interface plate of the RSG and come from the failure notification message that the main AGG and destination address are the RSG When, the failure notification message is sent to the first interface plate, wherein, the failure notification message carries the Host routes Information；When the first interface plate receives the failure notification message, determine that the main forwarding-table item is unavailable.
- 8. method according to claim 7, it is characterised in that methods described also includes：The first interface plate receives the message for being sent to the target BS；According to the backup forwarding-table item, the interface board that the first interface plate communicates into the RSG with the backup AGG is sent out Send the message for being sent to the target BS；It is described that the message for being sent to the target BS is sent to backup AGG with the interface board that the backup AGG communicates.
- 9. according to the method for claim 7 or 8, it is characterised in that the failure notification message is that two-way converting detects BFD reports Text, the host route information of the target BS include prefix information and mask information.
- 10. a kind of aggregation gateway AGG, it is characterised in that the AGG is main AGG corresponding to the gateway CSG of honeycomb side, the AGG bags Include first interface plate and second interface plate；Wherein,The first interface plate is used to obtain wireless side gateway RSG corresponding to the AGG to honeycomb side gateway CSG pseudo-wire PW The host route information of the target BS of address and PW bindings, and be used for when detecting that the PW breaks down, to The second interface plate of the main AGG sends failure notification message, and the failure notification message carries the host route information, institute The destination address for stating failure notification message is the address of the RSG；The second interface plate is used for after receiving the failure notification message, and the failure notification message is sent to the RSG.
- 11. AGG according to claim 10, it is characterised in that the first interface plate is specifically used for：Obtain the PW information and the PW corresponding to LSP information, in the information according to the PW and the LSP Infomation detection to the PW break down when, send the failure notification message to the second interface plate of the main AGG.
- 12. AGG according to claim 11, it is characterised in that the AGG also includes master control borad；Wherein,Master control borad is used to determining the main AGG to honeycomb side gateway CSG pseudo-wire PW information, Tag switching corresponding to the PW RSG address corresponding to path LSP information and the PW, and send to the first interface plate of the AGG letter of the PW Breath, the information of the LSP, and the address of the RSG；The first interface plate is specifically used for：Receive and store the information of the PW, the information of the LSP, and the address of the RSG, and the first interface plate Learn the host route information of the target BS on the PW.
- 13. the AGG according to any one of claim 10 to 12, it is characterised in that LSP corresponding to the PW includes master LSP and backup LSP, LSP information corresponding to the PW include the information of the main LSP and the information of the backup LSP；The first interface plate is specifically used for：The PW according to the information of the PW and the main LSP infomation detection, and in the main lsp failure, according to described PW described in PW information and the backup LSP infomation detection；When the information according to the PW and the backup LSP infomation detection are to the PW failures, to the second interface plate Send the failure notification message.
- 14. AGG according to claim 13, it is characterised in that backup AGG corresponding to the CSG belongs to the backup LSP On routing device；The first interface plate is specifically used for：Occur in the information according to the PW and the backup LSP infomation detection to the PW failures and trouble point in the master When between AGG and backup AGG or at the main AGG, the failure notification message is sent to the second interface plate.
- 15. the AGG according to claim 10 or 11, it is characterised in that the failure notification message detects for two-way converting BFD messages, the host route information of the target BS include prefix information and mask information.
- 16. a kind of wireless side gateway RSG, it is characterised in that including master control borad, first interface plate and second interface plate；Wherein,The master control borad is used for main aggregation gateway corresponding to the host route information for obtaining target BS and the target BS AGG information and backup AGG information, and main forwarding-table item and backup forwarding-table item are sent to the first interface plate of the RSG, Wherein, the main forwarding-table item includes the host route information and the information of the main AGG, the backup forwarding-table item bag The host route information and the backup AGG information are included, wherein, the first interface plate and radio network controller, Gateway or mobile management entity communication；The first interface plate is used to store the main forwarding-table item and the backup forwarding-table item；The second interface plate is used to receive the failure notification message for coming from that the main AGG and destination address are the RSG, and The failure notification message is sent to the first interface plate, wherein, the failure notification message carries the Host routes letter Breath；The first interface plate is additionally operable to when receiving the failure notification message, determines that the main forwarding-table item is unavailable.
- 17. the RSG according to claim 16, it is characterised in thatThe first interface plate, which is additionally operable to receive, is sent to the message of the target BS, and according to the backup forwarding-table item, The interface board that the first interface plate communicates into the RSG with the backup AGG is sent to the target BS described in sending Message, the message for being sent to the target BS is sent with the interface board that the backup AGG communicates in order to described Give backup AGG.
- 18. according to the RSG of claim 16 or 17, it is characterised in that the failure notification message is that two-way converting detects BFD reports Text, the host route information of the target BS include prefix information and mask information.
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| US8107386B2 (en) * | 2008-02-07 | 2012-01-31 | Cisco Technology, Inc. | VPLS N-PE redundancy using pseudo wire fast failover |
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| CN102282805A (en) * | 2011-05-26 | 2011-12-14 | 华为技术有限公司 | Method for service protection and access device |
| CN102308526A (en) * | 2011-07-06 | 2012-01-04 | 华为技术有限公司 | Method, convergence device and system for realizing connected detection |
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