CN102255741A - Subscriber service information backup method and device - Google Patents
Subscriber service information backup method and device Download PDFInfo
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- CN102255741A CN102255741A CN2010101790288A CN201010179028A CN102255741A CN 102255741 A CN102255741 A CN 102255741A CN 2010101790288 A CN2010101790288 A CN 2010101790288A CN 201010179028 A CN201010179028 A CN 201010179028A CN 102255741 A CN102255741 A CN 102255741A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
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Abstract
The invention discloses a subscriber service information backup method and a subscriber service information backup device. The method comprises the following steps of: establishing connection between a master service node and a standby service node by using a preset protocol, and after the to-be-backed-up service types of the master and standby service nodes are determined by capability negotiation, associating the connection with master and standby states of the master and standby service nodes in real time; encapsulating subscriber service information corresponding to to-be-backed-up service type of the standby service node in a preset format according to the master and standby states under the condition of changing subscriber service information, and identifying the subscriber service information of different service types by using the master service node; and transmitting the encapsulated subscriber service information to the standby service node, so that the standby service node performs backup according to the encapsulated subscriber service information. By the technical scheme, the redundancy backup of the subscriber service information of the same type can be realized between the equipment of different platforms, and the subscriber service information of a plurality of services can be backed up by using a unified protocol.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of user service information backup method and device.
Background technology
Service node (Service Node, abbreviate SN as) also can be called the customer service control appliance, broadband remote access servers (Broadband Remote Access Server for example, abbreviate BRAS as) or business router (Service Router, abbreviate SR as) etc., more and more and the broadband user is more and more higher to the requirement of broadband high reliability along with the number of users by the SN access band, operator is also more and more higher to the requirement that user ID inserts.Therefore, be extensive use of the user profile redundancy technique between SN.
In the prior art, the user ID technology is meant two-node cluster hot backup or multiple-node backup, access node (Access Node, abbreviate AN as) a plurality of up SN of access, the access interface of main usefulness SN and the backup port of standby SN are corresponding one by one, active and standby SN adopts Virtual Router Redundacy Protocol (Virtual RouterRedundancy Protocol abbreviates VRRP as) and two-way forwarding detection (Bidirectional ForwardingDetection abbreviates BFD as) technology to come switching state.Main be synchronized to standby SN with SN inserting user profile, standby SN is issued to interface module with this user profile in the mode of subscriber's meter at once when receiving main user profile with the SN transmission.When main access interface with SN inserts user's link failure, standby SN switches to the main SN that uses, customer flow switches simultaneously, and the up-downgoing flow that switches the back user all passes through standby SN to be transmitted, and standby SN controls and manages based on the user's information Business Stream that has backed up.
At present; prior art is the backup at the user service information of the single business that realizes based on the equipment room of same software platform; carry out simple memory information copy or copy one by one at equipment room, thereby realize the function of redundancy protecting at different equipment rooms according to the formal definition of this software platform to user service information.The technical scheme of prior art can only be at the redundancy backup that carries out user service information based on the equipment room of same software platform, can't realize the redundancy backup of user service information making that the deployment constraints of operator is bigger at the equipment room of different vendor or same manufacturer different software platforms.
In addition, technical scheme of the prior art has only realized a kind of backup of user service information of business, but in actual applications, for other business, key business information also might occur need be in the situation of equipment room backup, thereby need copy backup to different internal memories, at this moment, if use existing technical scheme, a kind of business just need a kind of agreement, cause the scalability of equipment very poor.
Summary of the invention
The invention provides a kind of user service information backup method and device, can't realize that in order to the equipment room that solves different software platforms in the prior art user service information of the redundancy backup of user service information and backup multiple business need use the problem of different agreement.
The invention provides a kind of user service information backup method, comprising:
Connect between active and standby service node by predetermined protocol, and after handling capacity consult to determine type of service that active and standby service node needs to back up separately, carry out real-time related with the activestandby state of active and standby service node this connection;
The working traffic node is under the situation that user service information changes, to encapsulate with the corresponding user service information of type of service of standby service node needs backup by predetermined format according to activestandby state, and the user service information of different service types is identified;
User service information after the encapsulation is sent to standby service node by this connection, so that standby service node backs up according to the user service information after encapsulating.
The present invention also provides a kind of user service information back-up device, comprising:
Set up module, be used between active and standby service node, connecting by predetermined protocol;
Negotiation module is used for handling capacity and consults to determine that active and standby service node needs the type of service that backs up separately;
Relating module is used for carrying out real-time related with the activestandby state of active and standby service node above-mentioned connection;
Package module, be used under the situation that the user service information at the working traffic node changes, to encapsulate with the corresponding user service information of type of service of standby service node needs backup by predetermined format according to activestandby state, and the user service information of different service types is identified;
Sending module is used for the user service information after the encapsulation is sent to standby service node by above-mentioned connection;
Backup module is used for backing up according to the user service information after the encapsulation.
Beneficial effect of the present invention is as follows:
By means of technical scheme of the present invention, back up user service information by unified agreement at the service node equipment room, and the negotiation by equipment room need to determine the user type of backup, solved the equipment room of different software platforms in the prior art and can't realize that the user service information of the redundancy backup of user service information and backup multiple business need use the problem of different agreement.Can guarantee the equipment room realization redundancy backup of similar user service information, reduce the restriction of operator's deployed with devices, and realized using the user service information of uniform protocol backup multiple business, strengthen the scalability of equipment in different platform.
Description of drawings
Fig. 1 is the flow chart of the user service information backup method of the embodiment of the invention;
Fig. 2 is the flow chart of detailed process of the user service information backup method of the embodiment of the invention;
Fig. 3 is the structural representation of the user service information back-up device of the embodiment of the invention;
Fig. 4 is the schematic diagram of the network topology structure of the embodiment of the invention.
Embodiment
The redundancy backup of user service information and the user service information of backup multiple business can't be realized for the equipment room that solves different software platforms in the prior art and the problem of different agreement need be used, the invention provides a kind of user service information backup method and device, below in conjunction with accompanying drawing and embodiment, the technical scheme of the embodiment of the invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, does not limit the present invention.
Method embodiment
According to embodiments of the invention, a kind of user service information backup method is provided, Fig. 1 is the flow chart of the user service information backup method of the embodiment of the invention, as shown in Figure 1, comprises according to the user service information backup method of the embodiment of the invention:
Step 101 connects between active and standby service node by predetermined protocol, and after handling capacity consult to determine type of service that active and standby service node needs to back up separately, carries out real-time related with connecting with the activestandby state of active and standby service node; Preferably, above-mentioned predetermined protocol can be for one of following: transmission control protocol, User Datagram Protocol, reliable User Datagram Protocol.That is to say that transmission control protocol is used in the suggestion of the backup protocol between active and standby SN (being above-mentioned predetermined protocol) transport layer, but is not restricted to the use transmission control protocol, also can use User Datagram Protocol or reliable User Datagram Protocol.
In step 101, particularly, need between active and standby service node, set up connection by predetermined protocol with specific purpose port numbers, wherein, the specific purpose port numbers is used to identify predetermined protocol.That is to say, when between service node, transmitting user service information, adopt the sign of specific purpose port as backup protocol (above-mentioned predetermined protocol).
In addition, can determine that to the mode that the other side transmits the user service information that both sides support active and standby service node needs the type of service that backs up separately by active and standby service node.That is to say that after connecting foundation, when active and standby SN consulted to support the type of service of backup, active and standby SN only transmitted the business information that both sides support.
Step 102, the working traffic node is under the situation that user service information changes, to encapsulate with the corresponding user service information of type of service of standby service node needs backup by predetermined format according to activestandby state, and the user service information of different service types is identified; Preferably, above-mentioned predetermined format is type length numerical value (Type Length Value abbreviates TLV an as) form.
In step 102, can the user service information of different service types be identified by the different type among the TLV, also can identify the different child user business information of same type of service by sub-TLV (SUB-TLV).
Owing to adopt unified agreement and unified sign, therefore can between distinct device merchant's SN equipment, consult transferable type of user information.
In step 102, under all normal situation of the state of active and standby service node, adopt the mode of real time information backup will encapsulate with the corresponding user service information of the type of service that standby service node need back up, and the user service information of different service types is identified by predetermined format; After former working traffic node breaks down the generation master/slave switchover, former working traffic node state is recovered and is rebulid under the situation about being connected with current working traffic node, adopt the mode of bulk information backup will encapsulate with the corresponding user service information of the type of service that standby service node need back up, and the user service information of different service types is identified by predetermined format.
That is to say, the technical scheme of the embodiment of the invention can be supported real time information backup or bulk information backup, under all normal situation of active and standby SN state, adopt real time information standby comparatively suitable, when former master is broken down the discovery master/slave switchover with SN equipment, former main with the SN equipment state recover and with current main rebulid TCP and be connected with SN equipment after, the method that the employing bulk information backs up is comparatively suitable.
Step 103 sends to standby service node with the user service information after the encapsulation by connection, so that standby service node backs up according to the user service information after encapsulating.
Particularly, in step 103, the user service information of standby service node after according to encapsulation backs up needs and carry out following processing: at first, standby service node is judged type of service under the user service information after the encapsulation according to the type among the TLV; Subsequently, standby service node carries out corresponding backup operation according to type of service to user service information.After the type of service under the user service information after standby service node is judged encapsulation according to the type among the TLV, if standby service node is judged type of service and belongs to the unsupported type of service of standby professional joint that standby service node is ignored the user service information after the encapsulation.
From above-mentioned processing as can be seen, it is the TLV form backs up business of the same race at the SN equipment room key message that the technical scheme of the embodiment of the invention adopts unified agreement, comprise wide band access user information, equipment room can adopt the method for capability negotiation to decide which information to back up, thereby has fully guaranteed the equipment room realization redundancy backup of similar user data in different software platforms different vendor.
Below in conjunction with accompanying drawing, the technical scheme of the embodiment of the invention is elaborated, Fig. 2 is the flow chart of detailed process of the user service information backup method of the embodiment of the invention, as shown in Figure 2, comprises following processing:
Step 201, the service backup module of SN are set up the specific purpose port numbers between active and standby SN TCP connects, and active and standby SN handling capacity consults to confirm the type of service that can back up separately;
Step 202 after the type of service of consulting to confirm can back up separately in handling capacity, is carried out real-time related with the activestandby state of SN equipment the TCP connection;
Step 203, when the user service information of main SN changes, for example add/delete/when refreshing, current main service backup module with SN encapsulates the user service information of the corresponding business form by TLV, and different user service informations utilizes different TYPE to identify;
Step 204, the information after main service backup module with SN will encapsulate sends to standby SN by above-mentioned TCP connection;
Step 205, the service backup module of standby SN is after receiving the message that sends by above-mentioned TCP connection, distinguish different business according to the TYPE among the TLV, and different user service informations is distributed to the local service module, the local service module is added accordingly/is deleted/refresh operation the respective user business information of this locality according to the information that receives.
Below in conjunction with example, the technique scheme of the embodiment of the invention is illustrated.
Example 1, the backing up in realtime of user service information.
Step 1 negotiates main and standby relation by VRRP agreement and BFD between two SN equipment;
Step 2, setting up TCP between active and standby SN equipment connects, negotiate needs backup broadband user's information at active and standby SN equipment after, the TCP connection is associated with the VRRP activestandby state, for example, carry out real-time related with the connectedness of SN equipment state, SN equipment and down link the SN activestandby state by BFD mechanism;
Step 3, when change takes place in user's going on line or off line or online user's business information, current master encapsulates the user service information of the interpolation of correspondence/delete/the refresh form by the TLV of specific T ype with SN, and different business information utilizes different types to identify;
Step 4, the information after the master will encapsulate with SN sends to standby SN by above-mentioned TCP connection;
Step 5, standby SN receive connect the message that sends by above-mentioned TCP after, it is user profile that the service backup block region is told, the notice user management module to the user service information of this locality add accordingly/delete/refresh.
Example 2, the batch backup of user profile.
Step 1, when former main when breaking down with the down link connectedness with SN device fails or SN equipment, active and standby SN equipment is by BFD mechanism quick discovery fault and realize the switching of active and standby SN state by the VRRP agreement;
Step 2, former standby SN equipment become the main state of using, and utilize the user service information of backup before this that customer service is controlled and managed;
Step 3, former main with the SN equipment state recover and and current leading with setting up VRRP neighbours, BFD peer-to-peer between the SN equipment and in order to the TCP annexation of standby user service information;
Step 4, temporarily former master is set to stand-by state with SN equipment, current master begins to connect batch with the TLV form by above-mentioned TCP with SN equipment and sends user service information, when the user service information batch backup is finished, current master sends batch backup to former master with SN with SN and finishes message, and starts the switching of VRRP activestandby state;
Step 5, the master after the switching controls and manages customer service according to the user service information of batch backup with SN equipment.
By means of technical scheme of the present invention, can guarantee the equipment room realization redundancy backup of similar user service information in different platform, reduce the restriction of operator's deployed with devices, and realized using the user service information of uniform protocol backup multiple business, strengthened the scalability of equipment.
Device embodiment
According to embodiments of the invention, a kind of user service information back-up device is provided, this device can be positioned at service node, Fig. 3 is the structural representation of the user service information back-up device of the embodiment of the invention, as shown in Figure 3, comprise according to the active and standby switching device shifter of the service node of the embodiment of the invention: set up module 30, relating module 31, negotiation module 32, package module 33, sending module 34 and backup module 35.
Before the active and standby switching device shifter of the service node of the embodiment of the invention is elaborated, at first the related network topology structure of the embodiment of the invention is described, Fig. 4 is the schematic diagram of the network topology structure of the embodiment of the invention, as shown in Figure 4, main SN and the standby SN of using is between upper layer network and lower floor's network, main with having set up main and standby relation in advance between SN and the standby SN, the user need insert by SN.
Below the active and standby switching device shifter of the service node of the embodiment of the invention is described in detail.
Particularly, setting up module 30 is used for connecting between active and standby service node by predetermined protocol; Above-mentioned predetermined protocol can be for one of following: transmission control protocol, User Datagram Protocol, reliable User Datagram Protocol.That is to say that transmission control protocol is used in the suggestion of the backup protocol between active and standby SN (being above-mentioned predetermined protocol) transport layer, but is not restricted to the use transmission control protocol, also can use User Datagram Protocol or reliable User Datagram Protocol.Set up module 30 and need set up the connection with specific purpose port numbers between active and standby service node by predetermined protocol, wherein, the specific purpose port numbers is used to identify predetermined protocol.That is to say, when between service node, transmitting user service information, set up module 30 and adopt the sign of specific purpose port as backup protocol (above-mentioned predetermined protocol).
User service information package module 33 to different service types identifies by the different type among the TLV.Different child user business information package modules 33 to same type of service can identify by sub-TLV (SUB-TLV).
Owing to adopt unified agreement and unified sign, therefore can between distinct device merchant's SN equipment, consult transferable type of user information.
In addition, under all normal situation of the state of active and standby service node, package module 33 can adopt the mode of real time information backup will encapsulate with the corresponding user service information of the type of service that standby service node need back up by predetermined format, and the user service information of different service types is identified; After former working traffic node breaks down the generation master/slave switchover, former working traffic node state is recovered and is rebulid under the situation about being connected with current working traffic node, package module 33 can adopt the mode of bulk information backup will encapsulate with the corresponding user service information of the type of service that standby service node need back up by predetermined format, and the user service information of different service types is identified.
That is to say, the package module 33 of embodiment of the invention technical scheme can be supported real time information backup or bulk information backup, under all normal situation of active and standby SN state, adopt real time information standby comparatively suitable, when former master is broken down the discovery master/slave switchover with SN equipment, former main with the SN equipment state recover and with current main rebulid TCP and be connected with SN equipment after, the method that the employing bulk information backs up is comparatively suitable.
Sending module 34 is used for the user service information after the encapsulation is sent to standby service node by above-mentioned connection;
At first, backup module 35 is judged type of service under the user service information after the encapsulation according to the type among the TLV; Subsequently, backup module 35 carries out corresponding backup operation according to type of service to user service information.After the type of service under the user service information after backup module 35 is judged encapsulation according to the type among the TLV, belong to the unsupported type of service of standby professional joint, can ignore the user service information after the encapsulation if judge type of service.
By means of technical scheme of the present invention, back up user service information by unified agreement at the service node equipment room, and the negotiation by equipment room need to determine the user type of backup, solved the equipment room of different software platforms in the prior art and can't realize that the user service information of the redundancy backup of user service information and backup multiple business need use the problem of different agreement.Can guarantee the equipment room realization redundancy backup of similar user service information, reduce the restriction of operator's deployed with devices, and realized using the user service information of uniform protocol backup multiple business, strengthen the scalability of equipment in different platform.
Although be the example purpose, the preferred embodiments of the present invention are disclosed, it also is possible those skilled in the art will recognize various improvement, increase and replacement, therefore, scope of the present invention should be not limited to the foregoing description.
Claims (11)
1. a user service information backup method is characterized in that, comprising:
Connect between active and standby service node by predetermined protocol, and after handling capacity consult to determine type of service that described active and standby service node needs to back up separately, carry out real-time related with the activestandby state of described active and standby service node described connection;
The working traffic node is under the situation that user service information changes, to encapsulate with the corresponding user service information of type of service of described standby service node needs backup by predetermined format according to described activestandby state, and the user service information of different service types is identified;
Described user service information after the encapsulation is sent to standby service node by described connection, so that described standby service node backs up according to the described user service information after encapsulating.
2. the method for claim 1 is characterized in that, described connecting between active and standby service node by predetermined protocol comprises:
Set up the described connection with specific purpose port numbers by described predetermined protocol between described active and standby service node, wherein, described specific purpose port numbers is used to identify described predetermined protocol.
3. the method for claim 1 is characterized in that, described handling capacity consults to determine that the type of service that described active and standby service node needs to back up separately comprises:
Transmit the user service information that both sides support by described active and standby service node to the other side and determine that described active and standby service node needs the type of service that backs up separately.
4. the method for claim 1 is characterized in that, described predetermined format is: type length numerical value TLV.
5. method as claimed in claim 4 is characterized in that, described user service information to different service types identifies and comprises:
User service information to different service types identifies by the type among the described TLV.
6. method as claimed in claim 4 is characterized in that, described method also comprises: the different child user business information to same type of service identify by sub-TLV.
7. method as claimed in claim 4 is characterized in that, described standby service node backs up according to the described user service information after encapsulating and comprises:
Described standby service node is judged type of service under the described user service information after the encapsulation according to the type among the described TLV;
Described standby service node carries out corresponding backup operation according to described type of service to described user service information.
8. method as claimed in claim 7 is characterized in that, described standby service node judges that according to the type among the described TLV described method also comprises after the type of service under the described user service information after the encapsulation:
Judge that at described standby service node described type of service belongs under the situation of the unsupported type of service of described standby professional joint, described standby service node is ignored the described user service information after the encapsulation.
9. the method for claim 1, it is characterized in that, to encapsulate with the corresponding user service information of type of service of described standby service node needs backup by predetermined format according to described activestandby state, and the user service information of different service types identified comprise:
Under all normal situation of the state of described active and standby service node, adopt the mode of real time information backup will to encapsulate with the corresponding user service information of type of service that described standby service node need back up, and the user service information of different service types is identified by described predetermined format;
After former working traffic node breaks down the generation master/slave switchover, described former working traffic node state is recovered and is rebulid under the described situation about being connected with current working traffic node, adopt the mode of bulk information backup will to encapsulate with the corresponding user service information of type of service that described standby service node need back up, and the user service information of different service types is identified by described predetermined format.
10. as each described method in the claim 1 to 9, it is characterized in that described predetermined protocol is one of following: transmission control protocol, User Datagram Protocol, reliable User Datagram Protocol.
11. a user service information back-up device is characterized in that, comprising:
Set up module, be used between active and standby service node, connecting by predetermined protocol;
Negotiation module is used for handling capacity and consults to determine that described active and standby service node needs the type of service that backs up separately;
Relating module is used for carrying out real-time related with the activestandby state of described active and standby service node described connection;
Package module, be used under the situation that the user service information at the working traffic node changes, to encapsulate with the corresponding user service information of type of service of described standby service node needs backup by predetermined format according to described activestandby state, and the user service information of different service types is identified;
Sending module is used for the described user service information after the encapsulation is sent to standby service node by described connection;
Backup module is used for backing up according to the described user service information after the encapsulation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010179028.8A CN102255741B (en) | 2010-05-21 | 2010-05-21 | User service information backup method and device |
| PCT/CN2010/077678 WO2011143891A1 (en) | 2010-05-21 | 2010-10-12 | Method and apparatus for backup of subscriber service information |
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| CN201010179028.8A CN102255741B (en) | 2010-05-21 | 2010-05-21 | User service information backup method and device |
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| CN112054961A (en) * | 2016-04-21 | 2020-12-08 | 华为技术有限公司 | Data transmission system, method and device |
| CN112054961B (en) * | 2016-04-21 | 2023-12-08 | 华为技术有限公司 | Data transmission system, method and device |
| CN113505027A (en) * | 2021-09-10 | 2021-10-15 | 深圳市科力锐科技有限公司 | Business system backup method, device, equipment and storage medium |
| CN114979312A (en) * | 2022-05-27 | 2022-08-30 | 山东闻远通信技术有限公司 | High-level service type detection method and device |
| CN114979312B (en) * | 2022-05-27 | 2024-05-28 | 山东闻远通信技术有限公司 | Method and device for detecting high-level service type |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011143891A1 (en) | 2011-11-24 |
| CN102255741B (en) | 2015-09-16 |
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