CN104602285A - Disaster recovery method and equipment - Google Patents
Disaster recovery method and equipment Download PDFInfo
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- CN104602285A CN104602285A CN201410854538.9A CN201410854538A CN104602285A CN 104602285 A CN104602285 A CN 104602285A CN 201410854538 A CN201410854538 A CN 201410854538A CN 104602285 A CN104602285 A CN 104602285A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The embodiment of the invention provides a disaster recovery method and disaster recovery equipment. The disaster recovery method comprises the following steps: first network equipment is used for monitoring faults of second network equipment; the first network equipment is used for finding a standby PW set corresponding to a primary virtual link PW set from the pre-configured information; the first network equipment switches a state of a second primary PW in the standby PW set to active-active from inactive-active, and switches the state of the second standby PW to active-inactive from inactive-inactive; the first network equipment utilizes the standby PW set to send the received business data to network transfer equipment connected with the third network equipment; when the second network equipment has faults, the first network equipment utilizes the standby PW set to send the received business data to the third network equipment which is taken as standby equipment of the second network equipment, thereby realizing business data normal transmission charged by the second network equipment.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and apparatus.
Background technology
At IPization Radio Access Network (IP Radio Access Network, in the transmission system of low speed card business data IPRAN), base station side gateway (Cell Site Gateway, CSG) one end connection base station, other end dual homed is to two Radio Service Gateway (Radio Service Gateway, RSG), two RSG and same base station controller (Base Station Controller, BSC) or radio network controller (RadioNetwork Controller, RNC) be connected.
CSG is deployed to virtual link (the Pseudo Wire of two RSG respectively, PW), one of them is primary PW, another one is PW for subsequent use, further, dispose between two RSG equipment between frame and back up virtual link (Inter-Chassis Backup PW, ICB PW), when primary PW fault, be switched to PW for subsequent use.The business datum that base station receiving terminal sends, and described business datum is sent to CSG.Described business datum is sent to the RSG on current available PW by CSG, and described business datum is forwarded to BSC or RNC be connected with this RSG by the RSG on front available PW.After described BSC or RNC receives described business datum, by the transmission network being dispensed to business datum according to type of described business datum.
But when BSC or the RNC fault be connected with RSG, the business datum that the base station hung under described BSC or RNC receives then cannot be assigned to transmission network, described business datum cannot normal transmission, and the business causing BSC or RNC to be responsible for all is interrupted.
Summary of the invention
The embodiment of the present invention is to provide a kind of disaster recovery method and equipment, during second network equipment fault, utilize PW group for subsequent use that received business datum is sent described 3rd network equipment, described 3rd network equipment, as the stand-by equipment of described second network equipment, realizes the business datum normal transmission that described second network equipment is responsible for.
For this reason, the technical scheme of technical solution problem of the present invention is:
Embodiment of the present invention first aspect provides a kind of disaster recovery method, and described method comprises:
First network monitoring of equipment is to second network equipment fault;
Described first network equipment is searched and the PW group for subsequent use corresponding to primary virtual link PW group from preset configuration information, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment;
The state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active by described first network equipment, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive;
Received business datum is sent to the network transferring equipment be connected with described 3rd network equipment by PW group for subsequent use described in described first network equipment utilization.
In the first possible implementation of embodiment of the present invention first aspect, described first network monitoring of equipment comprises to second network equipment fault:
Described first network monitoring of equipment detects BFD fault to first two-way converting of described first primary PW, and described first network monitoring of equipment is to the 2nd BFD fault of described first PW for subsequent use.
In the implementation that embodiment of the present invention first aspect the second is possible, before first network monitoring of equipment to second network equipment fault, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to described second primary PW fault;
The state of described second PW for subsequent use is switched to inactive-active by inactive-inactive by described first network equipment.
In the third possible implementation of embodiment of the present invention first aspect, described method also comprises:
Whether the state of the first primary PW in primary PW group described in described first network equipment query is inactive-active;
When described first network equipment query is inactive-active to the state of the first primary PW in described primary PW group, the timing of described first network device start time delay switchback;
When described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active by described first network equipment, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Received business datum is sent to the network transferring equipment be connected with described second network equipment by primary PW group described in described first network equipment utilization.
In embodiment of the present invention first aspect the 4th kind of possible implementation, before first network monitoring of equipment to second network equipment fault, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to the first path fault of the business datum of the described reception of transmission, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Described first network equipment searches the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
The state of described first PW for subsequent use is switched to active-active by active-inactive by described first network;
The business datum of described reception is sent to the backup network transferring equipment be connected with described second network equipment by the first PW for subsequent use described in described first network equipment utilization.
In conjunction with embodiment of the present invention first aspect to first aspect the 4th kind of possible implementation, in the 5th kind of possible implementation,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
In conjunction with embodiment of the present invention first aspect to first aspect the 4th kind of possible implementation, in the 6th kind of possible implementation,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
Embodiment of the present invention second aspect provides a kind of first network equipment, and described first network equipment comprises:
First monitoring means, for monitoring second network equipment fault;
Search unit, for searching from preset configuration information and the PW group for subsequent use corresponding to primary virtual link PW group, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment;
First switch unit, for the state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active, and is switched to inactive-inactive by the state of described first PW for subsequent use by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive;
First transmitting element, is sent to for utilizing described PW group for subsequent use the network transferring equipment be connected with described 3rd network equipment by received business datum.
In the first possible implementation of embodiment of the present invention second aspect,
Described first monitoring means, detects BFD fault specifically for the first two-way converting monitoring described first primary PW, and monitors the 2nd BFD fault of described first PW for subsequent use.
In the implementation that embodiment of the present invention second aspect the second is possible, described equipment also comprises:
Second monitoring means, for monitoring described second primary PW fault;
Second switch unit, for being switched to inactive-active by the state of described second PW for subsequent use by inactive-inactive.
In the third possible implementation of embodiment of the present invention second aspect, described equipment also comprises:
Query unit, for inquiring about whether the state of the first primary PW in described primary PW group is inactive-active;
Timing unit, for when the state inquiring the first primary PW in described primary PW group is inactive-active, the timing of described first network device start time delay switchback;
3rd switch unit, for when described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Second transmitting element, is sent to for utilizing described primary PW group the network transferring equipment be connected with described second network equipment by received business datum.
In embodiment of the present invention second aspect the 4th kind of possible implementation, described equipment also comprises:
3rd monitoring means, when normally working for described second network equipment, monitor the first path fault of the business datum transmitting described reception, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Search unit, for searching the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
4th switch unit, for being switched to active-active by the state of described first PW for subsequent use by active-inactive;
3rd transmitting element, is sent to for utilizing described first PW for subsequent use the backup network transferring equipment be connected with described second network equipment by the business datum of described reception.
In conjunction with embodiment of the present invention second aspect to the possible implementation of second aspect four kinds, in the 5th kind of possible implementation,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
In conjunction with embodiment of the present invention second aspect to the possible implementation of second aspect four kinds, in the 6th kind of possible implementation,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.Known by technique scheme, the embodiment of the present invention has following beneficial effect:
Embodiments provide disaster recovery method and disaster tolerance equipment, first network monitoring of equipment is to second network equipment fault; Described first network equipment is searched and the PW group for subsequent use corresponding to primary virtual link PW group from preset configuration information, the state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active by described first network equipment, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive; Received business datum is sent to the network transferring equipment be connected with described 3rd network equipment by PW group for subsequent use described in described first network equipment utilization, during second network equipment fault, received business datum is sent described 3rd network equipment by first network equipment utilization PW for subsequent use group, described 3rd network equipment, as the stand-by equipment of described second network equipment, realizes the business datum normal transmission that second network equipment is responsible for.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The network architecture schematic diagram realizing disaster recovery method that Fig. 1 provides for the embodiment of the present invention;
The disaster recovery method flow chart that Fig. 2 provides for the embodiment of the present invention;
The disaster recovery method network application scene structure schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The disaster recovery method network application scene structure schematic diagram that Fig. 4 provides for the embodiment of the present invention;
The disaster recovery method network application scene structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
A kind of first network device structure schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The first network device hardware structural representation that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Embodiments providing disaster recovery method and equipment, for making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention clearly being described.
The network architecture schematic diagram realizing disaster recovery method that Fig. 1 provides for the embodiment of the present invention, first network equipment 101 is deployed to the virtual link (Pseudo Wire, PW) of four network transferring equipment respectively.PW between described first network equipment 101 and the first primary network transferring equipment 102 is the first primary PW, PW between described first network equipment 101 and the first backup network transferring equipment 103 is the first PW for subsequent use, described first primary PW and described first PW for subsequent use belongs to primary PW group, and described first primary network transferring equipment 102 is connected with described second network equipment 104 with the first backup network transferring equipment 103.
PW between described first network equipment 101 and the second primary network transferring equipment 105 is the second primary PW, PW between described first network equipment 101 and the second backup network transferring equipment 106 is the second PW for subsequent use, described second primary PW and described second PW for subsequent use belongs to PW group for subsequent use, and described second primary network transferring equipment 105 is connected with described 3rd network equipment 107 with the second backup network transferring equipment 106.Described 3rd network equipment is the stand-by equipment of described second network equipment.
When described second network equipment normally works, in described primary PW group, the state of described first primary PW is active-active, and the state of described first PW for subsequent use is active-inactive; In described PW group for subsequent use, the state of described second primary PW is inactive-active, and the state of described second PW for subsequent use is inactive-inactive.
The disaster recovery method flow chart that Fig. 2 provides for the embodiment of the present invention, described method comprises:
Step 201: first network monitoring of equipment is to second network equipment fault.
Described first network monitoring of equipment has multiple possible implementation to second network equipment fault, and the embodiment of the present invention provides wherein a kind of concrete implementation, and other implementation repeats no more, and comprising:
Described first network monitoring of equipment detects BFD fault to first two-way converting of described first primary PW, and described first network monitoring of equipment is to the 2nd BFD fault of described first PW for subsequent use.
The two-way converting that described first network equipment 101 is deployed to four network transferring equipment respectively detects virtual link (Bidirectional Forwarding Detection, BFD PW).Link between described first network equipment 101 to the BFD described first primary network transferring equipment 102 of monitoring and described second network equipment 104 of the first primary PW of described first primary network transferring equipment 102.Link between described first network equipment 101 to the 2nd BFD described first backup network transferring equipment 103 of monitoring and described second network equipment 104 of the first PW for subsequent use of described first backup network transferring equipment 103.
Link between described first network equipment 101 to the 3rd BFD described second primary network transferring equipment 105 of monitoring and described 3rd network equipment 107 of the second primary PW of described second primary network transferring equipment 105.Link between described first network equipment 101 to the 4th BFD described second backup network transferring equipment 106 of monitoring and described 3rd network equipment 107 of the second PW for subsequent use of described second backup network transferring equipment 106.
When described second network equipment 104 fault, one BFD monitors second network equipment 104 and no longer sends datagram to the first primary network transferring equipment 102, and the 2nd BFD monitors second network equipment 104 no longer to the first backup network transferring equipment 103 when sending datagram simultaneously, described first primary network transferring equipment 102 no longer sends datagram to described first network equipment 101 by a BFD, and described first backup network transferring equipment 103 no longer sends datagram to described first network equipment 101 by the 2nd BFD simultaneously.Then show as a BFD of the first primary PW and the 2nd BFD simultaneous faults of the first PW for subsequent use.Therefore, when monitoring a described BFD and described 2nd BFD simultaneous faults, represent described second network equipment 104 fault.
Step 202: described first network equipment is searched and the PW group for subsequent use corresponding to primary virtual link PW group from preset configuration information.
Described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary line service gateway network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment.
Step 203: the state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active by described first network equipment, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive.
In the configuration information preset of described first network equipment 101, store for subsequent use PW group corresponding with primary PW group.When second network equipment 104 fault, the data message that first network equipment 101 is sent to second network equipment 104 cannot be forwarded, in order to avoid service disconnection, first network equipment 101 needs to utilize PW group for subsequent use, by data message forwarding to the stand-by equipment of described second network equipment 104, realize second network equipment 104 be responsible for the normal transmission of business datum.
During described second network equipment 104 fault, the state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive, now, described primary PW group is unactivated state.Meanwhile, described second network equipment 104 activates described PW group for subsequent use.The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive.Now, described PW group for subsequent use is state of activation.
Step 204: received business datum is sent to the network transferring equipment be connected with described 3rd network equipment by PW group for subsequent use described in described first network equipment utilization.
Received business datum is sent to the second primary network transferring equipment 105 by the second primary PW by described first network equipment 101, received business datum is forwarded to described 3rd network equipment 107 by described second primary network transferring equipment 105, obtain business datum received by described 3rd network equipment 107 forwards, ensure the normal transmission of business datum.
In an embodiment provided by the present invention, before first network monitoring of equipment to second network equipment fault, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to described second primary PW fault;
The state of described second PW for subsequent use is switched to inactive-active by inactive-inactive by described first network equipment.
When described second network equipment 104 normally works, second primary PW fault, described first network equipment 101 changes the state of described second PW for subsequent use, described second PW for subsequent use is switched to inactive-active by inactive-inactive, business datum can not be forwarded to described PW group for subsequent use.
In another embodiment provided by the present invention, described method also comprises:
Whether the state of the first primary PW in primary PW group described in described first network equipment query is inactive-active;
When described first network equipment query is inactive-active to the state of the first primary PW in described primary PW group, the timing of described first network device start time delay switchback;
When described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active by described first network equipment, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Received business datum is sent to the network transferring equipment be connected with described second network equipment by primary PW group described in described first network equipment utilization.
When after the fault recovery of described second network equipment 104, described first network equipment 101 recovers to the primary PW of two the network transferring equipment be connected with described second network equipment, namely described first network equipment 101 recovers to the first primary PW of described first primary network transferring equipment 102, and described first network equipment 101 is to the first PW recovery for subsequent use of described first backup network transferring equipment 103.Now, the state of described first primary PW is inactive-active.
When the state of the first primary PW that described first network equipment 101 inquires in described primary PW group is inactive-active, represent the fault recovery of described second network equipment 104, then described first network device start time delay switchback timing.When described time delay switchback timing arrives prefixed time interval, described first network device start switchback, by business datum from PW group switchback for subsequent use to primary PW group.State by the first primary PW in described primary PW group is switched to active-active by inactive-active, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive, now, described primary PW group is state of activation.The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive, now, described PW group for subsequent use is unactivated state.
After activating described primary PW group, described first network equipment 101 utilizes described primary PW group received business datum to be sent to the network transferring equipment be connected with described second network equipment 104. and business datum is sent to described first primary network transferring equipment by the first primary PW in primary PW group by described first network equipment 101, and received business datum is forwarded to described second network equipment 104 by described first primary network transferring equipment.
In another embodiment that the embodiment of the present invention provides, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to the first path fault of the business datum of the described reception of transmission, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Described first network equipment searches the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
The state of described first PW for subsequent use is switched to active-active by active-inactive by described first network;
The business datum of described reception is sent to the backup network transferring equipment be connected with described second network equipment by the first PW for subsequent use described in described first network equipment utilization.
Described first PW for subsequent use in described primary PW group is the redundancy of described first primary PW.When second network equipment 104 normally works, described first network equipment 101 by primary PW group by business data transmission to described second network equipment 104.When the first primary PW is normal, business datum is forwarded to described second network equipment 104 by the first primary PW by first network equipment 101; When described first primary PW fault, business datum is forwarded described second network equipment 104 by the first PW for subsequent use by described first network equipment 101.Wherein, described first primary PW fault comprises: the first primary PW interrupts or the first primary network transferring equipment fault.
Here it should be noted that, when first network equipment 101 utilizes described PW group for subsequent use received business datum to be sent to the network transferring equipment be connected with described 3rd network equipment, described first network equipment 101 by PW group for subsequent use by business data transmission to described 3rd network equipment 107.When the second primary PW is normal, business datum is forwarded to described 3rd network equipment 107 by the second primary PW by first network equipment 101; When described second primary PW fault, business datum is forwarded described 3rd network equipment 107 by the second PW for subsequent use by described first network equipment 101.Wherein, described second primary PW fault comprises: the second primary PW interrupts or the second primary network transferring equipment fault.
Here it should be noted that, described first primary network transferring equipment, described first backup network transferring equipment, described second primary network transferring equipment and described second backup network transferring equipment can be Radio Service Gateway (RadioServiceGateway, RSG), also can be Tag switching forwarding unit (SwitchingProviderEdge, NPE).Wherein, network transferring equipment can be the network equipments such as router switch.
The disaster recovery method that the embodiment of the present invention provides can be applied in a lot of network scenarios, and provide wherein three kinds of possible network application scenes below, the application in other network scenarios is similar with it, repeats no more here.
The disaster recovery method network application scene structure schematic diagram that scene one, Fig. 3 provides for the embodiment of the present invention, comprising:
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
CSG dual homed, to the first primary RSG and the first RSG for subsequent use, disposes the redundancy enhancement mode APS (Enhanced-Automatic Protection Switching, E-APS) in primary PW group; CSG dual homed, to the second primary RSG and the second RSG for subsequent use, disposes the redundancy enhancement mode APS (Enhanced-Automatic Protection Switching, E-APS) in PW group for subsequent use.
The disaster recovery method network application scene structure schematic diagram that scene two, Fig. 4 provides for the embodiment of the present invention, comprising:
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
CSG dual homed, to the first primary RSG and the first RSG for subsequent use, disposes the redundancy enhancement mode APS (Enhanced-Automatic Protection Switching, E-APS) in primary PW group; CSG dual homed, to the second primary RSG and the second RSG for subsequent use, disposes the redundancy enhancement mode APS (Enhanced-Automatic Protection Switching, E-APS) in PW group for subsequent use.
The disaster recovery method network application scene structure schematic diagram that scene three, Fig. 5 provides for the embodiment of the present invention, comprising:
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
UPE dual homed, to the first primary NPE and the first standby N PE, disposes the redundancy enhancement mode arterial highway (Enhanced-Trunk) in primary PW group; UPE dual homed, to the second primary NPE and the second standby N PE, disposes the redundancy enhancement mode arterial highway (Enhanced-Trunk) in PW group for subsequent use.Wherein, carry out between second network equipment and the 3rd network equipment hot standby in real time.
A kind of first network device structure schematic diagram that Fig. 6 provides for the embodiment of the present invention, described equipment comprises:
First monitoring means 601, for monitoring second network equipment fault.
Search unit 602, for searching from preset configuration information and the PW group for subsequent use corresponding to primary virtual link PW group, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary line service gateway network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment.
First switch unit 603, for the state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive.
First transmitting element 604, is sent to for utilizing described PW group for subsequent use the network transferring equipment be connected with described 3rd network equipment by received business datum.
In the embodiment that the embodiment of the present invention provides, described first monitoring means, detects BFD fault specifically for the first two-way converting monitoring described first primary PW, and monitors the 2nd BFD fault of described first PW for subsequent use.
In another embodiment that the embodiment of the present invention provides, described equipment also comprises:
Second monitoring means, for monitoring described second primary PW fault;
Second switch unit, for being switched to inactive-active by the state of described second PW for subsequent use by inactive-inactive.
In another embodiment that the embodiment of the present invention provides, described equipment also comprises:
Query unit, for inquiring about whether the state of the first primary PW in described primary PW group is inactive-active;
Timing unit, for when the state inquiring the first primary PW in described primary PW group is inactive-active, the timing of described first network device start time delay switchback;
3rd switch unit, for when described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Second transmitting element, is sent to for utilizing described primary PW group the network transferring equipment be connected with described second network equipment by received business datum.
In another embodiment that the embodiment of the present invention provides, described equipment also comprises:
3rd monitoring means, when normally working for described second network equipment, monitor the first path fault of the business datum transmitting described reception, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Search unit, for searching the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
4th switch unit, for being switched to active-active by the state of described first PW for subsequent use by active-inactive;
3rd transmitting element, is sent to for utilizing described first PW for subsequent use the backup network transferring equipment be connected with described second network equipment by the business datum of described reception.
In the application scenarios that the embodiment of the present invention provides,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
In the Another application scene that the embodiment of the present invention provides,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
First network equipment shown in Fig. 6 is and the equipment corresponding to the disaster recovery method shown in Fig. 2, and specific implementation, with reference to the description in the disaster recovery method shown in figure 2, repeats no more here.
The first network device hardware structural representation that Fig. 7 provides for the embodiment of the present invention, described equipment comprises:
Processor 701, and the transmitter 702 be connected with described processor 701;
Described processor 701, for monitoring second network equipment fault; Search from preset configuration information and the PW group for subsequent use corresponding to primary virtual link PW group, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary line service gateway network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment; The state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive.
Described transmitter 702, is sent to for utilizing described PW group for subsequent use the network transferring equipment be connected with described 3rd network equipment by received business datum.
In the embodiment that the embodiment of the present invention provides, described processor 701, comprises for monitoring second network equipment fault:
The first two-way converting monitoring described first primary PW detects BFD fault, and monitors the 2nd BFD fault of described first PW for subsequent use.
In another embodiment that the embodiment of the present invention provides, described processor 701, also for monitoring described second primary PW fault; The state of described second PW for subsequent use is switched to inactive-active by inactive-inactive.
In another embodiment that the embodiment of the present invention provides, described processor 701, also for inquiring about whether the state of the first primary PW in described primary PW group is inactive-active; When the state inquiring the first primary PW in described primary PW group is inactive-active, the timing of described first network device start time delay switchback; When described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Described transmitter 702, also for utilizing described primary PW group received business datum to be sent to the network transferring equipment be connected with described second network equipment.
In another embodiment that the embodiment of the present invention provides, described processor 701, when also normally working for described second network equipment, monitor the first path fault of the business datum transmitting described reception, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW; The first PW for subsequent use corresponding to described first primary PW is searched from described preset configuration information; The state of described first PW for subsequent use is switched to active-active by active-inactive;
Described transmitter 702, also for utilizing described first PW for subsequent use the business datum of described reception to be sent to the backup network transferring equipment be connected with described second network equipment.
In first application scenarios that the embodiment of the present invention provides,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
In the Another application scene that the embodiment of the present invention provides,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
Here it should be noted that, in the embodiment of the present invention, described processor can be central processing unit (Central Processing Unit, CPU), described memory can be random access memory (RandomAccess Memory, RAM) internal storage of type, described processor and memory can be integrated into one or more independently circuit or hardware, as: application-specific integrated circuit (ASIC) (Application SpecificIntegrated Circuit, ASIC).
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a disaster recovery method, is characterized in that, described method comprises:
First network monitoring of equipment is to second network equipment fault;
Described first network equipment is searched and the PW group for subsequent use corresponding to primary virtual link PW group from preset configuration information, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment;
The state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active by described first network equipment, and the state of described first PW for subsequent use is switched to inactive-inactive by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive;
Received business datum is sent to the network transferring equipment be connected with described 3rd network equipment by PW group for subsequent use described in described first network equipment utilization.
2. method according to claim 1, is characterized in that, described first network monitoring of equipment comprises to second network equipment fault:
Described first network monitoring of equipment detects BFD fault to first two-way converting of described first primary PW, and described first network monitoring of equipment is to the 2nd BFD fault of described first PW for subsequent use.
3. method according to claim 1, is characterized in that, before first network monitoring of equipment to second network equipment fault, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to described second primary PW fault;
The state of described second PW for subsequent use is switched to inactive-active by inactive-inactive by described first network equipment.
4. method according to claim 1, is characterized in that, described method also comprises:
Whether the state of the first primary PW in primary PW group described in described first network equipment query is inactive-active;
When described first network equipment query is inactive-active to the state of the first primary PW in described primary PW group, the timing of described first network device start time delay switchback;
When described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active by described first network equipment, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Received business datum is sent to the network transferring equipment be connected with described second network equipment by primary PW group described in described first network equipment utilization.
5. method according to claim 1, is characterized in that, before first network monitoring of equipment to second network equipment fault, described method also comprises:
When described second network equipment normally works, described first network monitoring of equipment is to the first path fault of the business datum of the described reception of transmission, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Described first network equipment searches the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
The state of described first PW for subsequent use is switched to active-active by active-inactive by described first network;
The business datum of described reception is sent to the backup network transferring equipment be connected with described second network equipment by the first PW for subsequent use described in described first network equipment utilization.
6. the method according to claim 1-5 any one, is characterized in that,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
7. the method according to claim 1-5 any one, is characterized in that,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
8. a first network equipment, is characterized in that, described first network equipment comprises:
First monitoring means, for monitoring second network equipment fault;
Search unit, for searching from preset configuration information and the PW group for subsequent use corresponding to primary virtual link PW group, described primary PW group comprises the first primary PW and the first PW for subsequent use, described first primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described second network equipment, described first PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described second network equipment; Described PW group for subsequent use comprises the second primary PW and the second PW for subsequent use, described second primary PW is the PW of described first network equipment to the primary network transferring equipment be connected with described 3rd network equipment, described second PW for subsequent use is the PW of described first network equipment to the backup network transferring equipment be connected with described 3rd network equipment; Described 3rd network equipment is the stand-by equipment of described second network equipment;
First switch unit, for the state of the first primary PW in described primary PW group is switched to inactive-inactive by active-active, and is switched to inactive-inactive by the state of described first PW for subsequent use by active-inactive; The state of the second primary PW in described PW group for subsequent use is switched to active-active by inactive-active, and the state of described second PW for subsequent use is switched to active-inactive by inactive-inactive;
First transmitting element, is sent to for utilizing described PW group for subsequent use the network transferring equipment be connected with described 3rd network equipment by received business datum.
9. equipment according to claim 8, is characterized in that,
Described first monitoring means, detects BFD fault specifically for the first two-way converting monitoring described first primary PW, and monitors the 2nd BFD fault of described first PW for subsequent use.
10. equipment according to claim 8, is characterized in that, described equipment also comprises:
Second monitoring means, for monitoring described second primary PW fault;
Second switch unit, for being switched to inactive-active by the state of described second PW for subsequent use by inactive-inactive.
11. equipment according to claim 8, is characterized in that, described equipment also comprises:
Query unit, for inquiring about whether the state of the first primary PW in described primary PW group is inactive-active;
Timing unit, for when the state inquiring the first primary PW in described primary PW group is inactive-active, the timing of described first network device start time delay switchback;
3rd switch unit, for when described time delay switchback timing arrives prefixed time interval, the state of the first primary PW in described primary PW group is switched to active-active by inactive-active, and the state of described first PW for subsequent use is switched to active-inactive by inactive-inactive; The state of the second primary PW in described PW group for subsequent use is switched to inactive-active by active-active, and the state of described second PW for subsequent use is switched to inactive-inactive by active-inactive;
Second transmitting element, is sent to for utilizing described primary PW group the network transferring equipment be connected with described second network equipment by received business datum.
12. equipment according to claim 8, is characterized in that, described equipment also comprises:
3rd monitoring means, when normally working for described second network equipment, monitor the first path fault of the business datum transmitting described reception, described first path fault comprises the connection fault between network transferring equipment on described first primary PW and described second network equipment, any one in the network transferring equipment fault on described first primary PW fault and described first primary PW;
Search unit, for searching the first PW for subsequent use corresponding to described first primary PW from described preset configuration information;
4th switch unit, for being switched to active-active by the state of described first PW for subsequent use by active-inactive;
3rd transmitting element, is sent to for utilizing described first PW for subsequent use the backup network transferring equipment be connected with described second network equipment by the business datum of described reception.
13. methods according to Claim 8 described in-12 any one, is characterized in that,
Described first network equipment is base station side gateway CSG;
Described network transferring equipment is Radio Service Gateway RSG;
Described second network equipment and described 3rd network equipment are base station controller BSC,
Or,
Described second network equipment and described 3rd network equipment are radio network controller (RNC)s;
Described second network equipment and described 3rd network equipments configuration are by identical IP address.
14. methods according to Claim 8 described in-12 any one, is characterized in that,
Described first network equipment is backbone network edge device UPE;
Described network transferring equipment is Tag switching forwarding unit NPE;
Described second network equipment and described 3rd network equipment are broadband network Service Gateway BNG.
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