CN101052155A - Seamless switching method for disaster recovery homing user position register - Google Patents
Seamless switching method for disaster recovery homing user position register Download PDFInfo
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- CN101052155A CN101052155A CNA2007100688577A CN200710068857A CN101052155A CN 101052155 A CN101052155 A CN 101052155A CN A2007100688577 A CNA2007100688577 A CN A2007100688577A CN 200710068857 A CN200710068857 A CN 200710068857A CN 101052155 A CN101052155 A CN 101052155A
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Abstract
The method comprises: setting up a independent HLRID for the standby HLR; adding the standby signaling of main HLR into the STP, and routing it to the standby HLR; the standby signaling from local number segment to local HLR signaling is adding into MSC/GW, and is routed to the HLR; the standby HLR is switched over to each net element through STP; when standby and main switches are switched, the STP interrupts the signaling link of the main HLR, and switches the signaling of main HLR to the standby HLR.
Description
Technical field
The invention belongs to the emergent reverse method technical field of communication apparatus, be specifically related to a kind of seamless switching method of disaster recovery homing user position register.
Background technology
Mobile communication is meant that communicating pair or at least one side are in the communication of carrying out information interchange in moving.Mobile communication has a variety of communication standards, and wherein, GSM digital mobile cellular telecommunication utilization is the most extensive.Gsm system is to develop according to the GSM technical specification that the ETS committee (ETSI) formulates, and is a kind of Open architecture and the designed system that faces the future.Gsm system is made up of each functional entity, and can interconnect with various public networks (PSTN, ISDN, PDN etc.), as shown in Figure 1.
Mobile services switching centre (MSC), MSC is the core at networking, it provides function of exchange and other functional entity of system-oriented: base station controller BSC, homing user position register HLR, the AUC of AUC, mobile device identification register EIR, the OMC of operation maintenance center and towards the interface function of fixed network (public telephone network PSTN, integrated services digital network ISDN, the PSPDN of PSPDN Packet Switched Public Data Network, circuit switched public data net work CSPDN) are connected to each other mobile subscriber and mobile subscriber, mobile subscriber and fixed network user.MSC can be the mobile subscriber a series of business is provided: telecommunication service, as: phone, urgent call, fax and Short Message Service etc.; Bearer service, as: 3.1KHz phone, synchrodata 0.3kbit/s～2.4kbit/s and packet assembling and decomposition (PAD) etc.; Supplementary service, as: Call Forwarding, call blocking, Call Waiting, conference telephone and advice of charge etc.As the core at networking, moving characteristic performance and other networking functions such as also supporting location registration of MSC, handover and automatic roaming.
Calling party location register (VLR), VLR serves mobile subscriber in its control area, is storing to enter registered mobile subscriber's relevant information in its control area, and the necessary condition of setting up call proceeding is provided for registered mobile subscriber.VLR obtains and stores data necessary from this mobile subscriber's homing user position register (HLR).In case the mobile subscriber leaves the control area of this VLR, then again in another VLR registration, former VLR will cancel this mobile user data of blotter.Therefore, VLR can see dynamic subscriber's database as.Generally speaking, VLR function comprehensive realization in MSC.Homing user position register (HLR), HLR is the central database of gsm system, is storing mobile subscriber's the related data of all existence of this HLR control.A HLR can control several mobile switching area territories and whole mobile radio communication, and the important static data of all mobile subscribers all is stored among the HLR, and this comprises data such as identification number of mobile subscriber, access ability, class of subscriber and supplementary service.HLR also stores and provides MSC area associated dynamic information data about the actual roaming of mobile subscriber place for MSC.Like this, any incoming call can be at once by selecting the path deliver to called user.
AUC (AUC), gsm system has been taked special safety measure, and for example subscription authentication, the speech on the wave point, data and signal message are maintained secrecy etc.AUC is storing authentication information and encryption key, is used for preventing having no right the safety that subscriber access system communicates by letter with the mobile subscriber who guarantees by wave point.Generally speaking, AUC is the functional unit of HLR, is exclusively used in the security management of gsm system.Mobile device identification register (EIR), mobile device identification register (EIR) is being stored the international mobile equipment identification number (IMEI) of mobile device, by checking white inventory, these three kinds of forms of black inventory or grey inventory, in form, listed respectively and to have permitted using, the need that break down monitor, the IMEI identification code of the stolen inaccurate mobile device that uses, make operation department for no matter be stolen or because technical failure or misoperation jeopardize the MS equipment that the networking is normally moved, can both take the precautionary measures timely, with uniqueness and the fail safe of guaranteeing employed mobile device in the networking.
GMSC (gateway mobile switching center) (GMSC), for the bigger mobile radio communication of Capacity Ratio, a local network can comprise several MSC, VLR and HLR, in order to set up the calling between fixed network user and the GSM mobile subscriber, need not to know the residing position of mobile subscriber, this calling at first is linked into the critical point mobile services switching centre, is called GMSC, and access switch is responsible for obtaining positional information.GMSC has the interface with fixed network and other local network entity intercommunication, and the GMSC function can realize in MSC, also can be according to network condition, and the GMSC function is independent, finish with special equipment, the inter-network settlement ticket is provided.Among Fig. 3-1, MSC and PSTN communicate by letter, and can directly connect, also can be by special-purpose GMSC equipment switching.Tandem mobile switching centre (TMSC), for the bigger mobile radio communication of Capacity Ratio, a local network can comprise several MSC, all connections of communication between these MSC, just need finish, can be divided into one-level tandem mobile switching centre (TMSC1) and secondary tandem mobile switching centre (TMSC2) according to network size by the TMSC tandem of setting up separately.Among Fig. 3-1, the communication between the MSC can directly connect, and also can pass through the tandem of TMSC equipment.
Base transceiver station (BTS), BTS belongs to the wireless portion of base station sub-system, control by base station controller (BSC), serve the wireless receiving and dispatching letter equipment of certain sub-district, finish the conversion between BSC and the wireless channel, realize passing through the wireless transmission of air interface and relevant controlled function between BTS and the travelling carriage (MS).BTS mainly is divided into Base Band Unit, carrier frequency unit, control unit three parts.Base Band Unit is mainly used in necessary speech and data rate is adaptive and chnnel coding etc.The carrier frequency unit is mainly used in the coupling between modulating/demodulating and the emittor/receiver etc.Control unit then is used for the operation and maintenance of BTS.In addition, be not located at same place need adopt Abis interface the time at BSC and BTS, transmission unit is to increase, to realize the far-end connected mode between BSC and the BTS.If BSC and BTS also put at same place, when only needing to adopt the BS interface, transmission unit is unwanted.
Base station controller (BSC), base station controller (BSC) management control BTS, and, bear the management of Radio Resource and wireless parameter to the management of various interface.BSC mainly acts on, the digital junction control section of A interface that control is joined with MSC or the Ater Interface that joins with transcoder; The Abis interface that control and BTS join or the BTS control section of BS interface; Control common process part comprises the interface control of joining with operation maintenance center; The control switching part.
Travelling carriage (MS), travelling carriage are the equipment that the user uses in the public GSM mobile radio communication, also are the unique equipment in user's whole gsm system that can directly contact.Travelling carriage comprises hand-held station, Vehicle mounted station and portable.The important part of travelling carriage another one is subscriber identification module (SIM), and it is according to the ISO standard " intelligence " card, and it comprises all and subscriber-related and information some wave point, wherein also comprises authentication and enciphered message.
Homing user position register HLR is as all professional base support network elements in the GSM mobile network, be responsible for the storage of the whole network user data, along with high-capacity H LR being extensive use of at existing network, the HLR service disconnection is with direct generation tremendous influence to network quality and user's perception, therefore and the storage medium of equipment itself is high failure rate equipment, and to carry out the disaster-tolerant backup scheme be very necessary and be very important to core net HLR.
The main purpose that homing user position register HLR equipment is backed up is when natural calamities such as breaking out of fire or HLR equipment unit generation major accident, and can't recover at short notice under the situation of normal operation, can enable another HLR at the appointed time and replace fault HLR to provide service, to guarantee mobile network's service quality and network security for the user.
Existing HLR emergency plan mainly contains following three classes:
One: the 1+1 backup scheme.This scheme requires all to dispose a backup HLR for each online HLR, if simultaneously in order to satisfy the demand of disaster tolerance, this backup HLR should link to each other by data link or Signaling System Number 7 link with HLR with main, sync correlation data in real time or regularly, any static state, dynamic data change all must be synchronized among the backup HLR in real time, and backup HLR is consistent with the HLR data fully with main." 1+1 " backup mode require active and standby part of HLR soft, hardware configuration should be identical.
Two: the N+1 scheme of backing up in realtime: " N+1 " backup scenario is N platform HLR with 1 backup HLR backup, the master bears all dynamic subscriber's data processing of the site HLR with HLR, need storage to provide data summation among all HLR of backup services among the backup HLR by it, be all timings and backup HLR intercommunication of many HLR, all static datas and dynamic data change all must be synchronized among this backup HLR in real time.It is all capacity summations that need back up HLR that this backup mode requires the capacity of backup HLR, mainly breaks down with arbitrary among the HLR, back up HLR all alternative it provide service for the user, the service quality to the whole network can not have any impact simultaneously.This scheme is generally main to adopt same producer with hardware platform equipment with HLR and standby HLR.
Three: N+1 non real-time backup scenario.The master bears all dynamic subscriber's data processing of the site HLR with HLR, and 1 standby HLR bears all N the static datas backups that office point HLR total capacity is all.Backup HLR does not manage business under the normal condition, when certain HLR is unavailable, the data of this HLR of backing up in the data storage server can be packed among the backup HLR and start, for the user that HLR administered of interrupting service provides service, backup HLR also need be connected into the Signaling System Number 7 net.The capacity of backup HLR should be got the heap(ed) capacity among the HLR of backing up, and the disaster tolerance of this scheme is long switching time, the interior QoS of customer that influences of certain hour.
And present HLR (Home Location Register, homing user position register) reverse method that emergency plan adopted is: when the master breaks down with HLR and need backup HLR to take over its business, need manually will back up HLRID (Home Location Register Identity, homing user position register sign) and be modified as the main HLRID that uses.The business hours is taken in influence, may cause backup HLR to move back clothes when serious.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention aims to provide a kind of seamless switching method of disaster recovery homing user position register, this reverse method can make business recovery reach second level even influence is professional, cost of investment is low and easy to maintenance.
The seamless switching method of described a kind of disaster recovery homing user position register is applied to mobile communications network, may further comprise the steps: backup HLR configuration one is HLRID independently; STP (Signal transfer point, Signalling Transfer Point) sets up main standby signaling with HLR, and routes to backup HLR; MSC/GW (Gateway, gateway) sets up the standby signaling of this locality section to local HLR, and routes to backup HLR; Backup HLR is through STP all kinds of network elements (the comprising MSC/GW/SCP/SGSN/SMC etc.) signaling of transferring; When active and standby HLR switched, STP interrupted main signaling link with HLR, and the signaling that will lead with HLR switches to standby HLR.
As improvement of the technical scheme, also can on backup HLR, be provided for the number of usual operational trials.
The seamless switching method of described a kind of disaster recovery homing user position register, by disposing independently HLRID for backup HLR, and on backup HLR, place the relevant some Subscriber Numbers of HLRID, these Subscriber Numbers can carry out operational trials usually, to guarantee backup HLR function and professional normal.Because backup HLR has independent HLRID, in case main break down with HLR, backup HLR takes over all customer services under this HLR, can guarantee that service take-over realizes seamless adapter.Compare original reverse method, can test every function of backup HLR daily.Avoided resource waste, cost of investment obviously reduces, and takes in the business procedure, does not need manual intervention, and the crash time reaches second a level even a seamless switching, the recovery simple and fast of fault business, and also the maintenance cost of this system is low, convenience.
Description of drawings
Fig. 1 is a GSM mobile communication network structure schematic diagram.
Fig. 2 is the applied HLR disaster tolerance system of an a preferred embodiment of the present invention structural representation.
Fig. 3 is the realization schematic diagram of a preferred embodiment of the present invention.
Embodiment
Now, describe a preferred embodiment of the present invention in detail in conjunction with Figure of description.
Referring to HLR disaster tolerance system shown in Figure 2, comprise that the equipment of following aspect connects and data configuration.
The connection of signaling network: the master offers through signaling link with ownership STP respectively with HLR, MSC/GMSC can offer the through signaling link of signaling with active and standby HLR in the local network according to the actual requirements, as MSC/GMSC in the local network and active and standby HLR through signaling link is not set, all signaling messages are all transferred by STP; Backup HLR only links to each other with STP, and the information relevant with HLR that this HLR institute service-user is produced all needs the requirement by the STP switching, comprises message switchover capability and GT (Global Title, global title) translation ability.
Connect between active and standby HLR: active and standbyly transfer by STP, realize intercommunication by setting up the exclusive data link mode between the active and standby HLR simultaneously with the signaling message between HLR.
BOSS (Business Operation Support System, business operation support system) system connects: active and standbyly all connect with the BOSS system with HLR.
Backup HLR among this embodiment adopts the N+1 scheme of backing up in realtime, the capacity of backup HLR is more than or equal to N main summation with the HLR user capacity, consider back dilatation demand simultaneously, 30% redundancy must be set on the basis of total amount, static backup HLR user capacity must not be less than 5,000,000, and its disposal ability is not less than N main disposal ability with heap(ed) capacity HLR among the HLR.Equally, backup HLR also can adopt N+1 non real-time backup scenario or 1+1 backup scheme.
The interface of backup HLR and BOSS need adopt the Ethernet interface of ICP/IP protocol, should support the 100M bandwidth.
Office data is provided with:
STP increases all main standby signalings with HLR inside the province, and routes to backup HLR;
Local network, local all MSC/GW increase this locality sections extremely the standby signalling route of local HLR to backing up HLR (MTP (Message Transfer Part, partial message transmission) route is from ownership LSTP (Lowsignal transfer point, low layer Signalling Transfer Point) switching);
Backup HLR, one HLRID independently is set, to all kinds of network elements (comprising MSC/GW/SCP/SGSN/SMC) MSCID (Mobile Switching Center Identity inside the province, mobile switching centre sign) points to the LSTP of its ownership, inter-provincial MSCID is unified through HSTP (High signal transferpoint, the high-level signaling transit point) switching, backup HLR goes up and places the relevant some Subscriber Numbers that are used for usual operational trials of HLRID.
The master data of backup HLR is set up:
Active and standby usefulness is the backup HLR system comissioning of same producer when building, and disposable will leading with the derivation of all customer data among the HLR is loaded in the standby HLR system.
Data sync:
After the standby system commencement of commercial operation, when active and standby synchronous in real time with HLR static data and dynamic data.Static data is realized by data link synchronously.The synchronous dynamic data realize by signaling link.Data link data sync mode is to send to main operational order with HLR for all after running succeeded by BOSS system (or LMT Local Maintenance Terminal), main will the instruction with HLR is synchronized to operating of standby HLR by Leased line between active and standby HLR, and be synchronous to realize static data.The signaling link data sync is after the master runs succeeded for all operations of being undertaken by mobile phone with HLR, and the main privately owned MAP message of will constructing with HLR is synchronized to standby HLR by STP with this operation, realizes the synchronous of dynamic data.
Referring to Fig. 3, the course of work of this inventive embodiments is as follows: the master breaks down with HLR, and backup HLR initiatively takes over the master and works with HLR; Check that whether LSTP interrupts fully to main signaling link with HLR, as not, needs force interrupt LSTP, MSC to main signaling link with HLR; The signaling that LSTP will lead with HLR automatically switches to standby HLR, realizes the automatic switchover of signaling.
Claims (4)
1. the seamless switching method of a disaster recovery homing user position register is applied to the HLR disaster tolerance system in the mobile communications network, it is characterized in that may further comprise the steps:
Backup HLR configuration one is HLRID independently;
STP sets up main standby signaling with HLR, and routes to backup HLR;
MSC/GW sets up the standby signaling of this locality section to local HLR, and routes to backup HLR;
Backup HLR is through the STP all kinds of network element signalings of transferring;
When active and standby HLR switched, STP interrupted main signaling link with HLR, and the signaling that will lead with HLR switches to standby HLR.
2. the seamless switching method of a kind of disaster recovery homing user position register as claimed in claim 1 is characterized in that: the number that is provided for usual operational trials on the backup HLR.
3. the seamless switching method of a kind of disaster recovery homing user position register as claimed in claim 1 is characterized in that: a backup HLR backs up in realtime with HLR to one or more master in netting.
4. the seamless switching method of a kind of disaster recovery homing user position register as claimed in claim 1 is characterized in that: a backup HLR is to one or more main with the backup of HLR non real-time in netting.
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| CNA2007100688577A CN101052155A (en) | 2007-05-22 | 2007-05-22 | Seamless switching method for disaster recovery homing user position register |
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| CNA2007100688577A CN101052155A (en) | 2007-05-22 | 2007-05-22 | Seamless switching method for disaster recovery homing user position register |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135924A2 (en) * | 2008-05-07 | 2009-11-12 | Orange Personal Communications Services Limited | Mobile communications system and method |
| CN101902770A (en) * | 2010-08-20 | 2010-12-01 | 中兴通讯股份有限公司 | Dispatching subsystem for digital trunking communication system and business acceptance method thereof |
| CN102833468A (en) * | 2012-09-10 | 2012-12-19 | 中央电视台 | Broadcasting PGM (Probabilistic Graphical Model) master-slave output one-click emergency system and method |
| CN101697568B (en) * | 2009-10-26 | 2013-12-18 | 浙江省电力公司 | Disaster recovery method for power customer service system |
| CN107659623A (en) * | 2017-09-06 | 2018-02-02 | 深圳震有科技股份有限公司 | A kind of NP data distributing methods and system |
| CN110602685A (en) * | 2019-08-27 | 2019-12-20 | 中国—东盟信息港股份有限公司 | Safe privacy number disaster recovery backup method for number position non-sensing switching |
-
2007
- 2007-05-22 CN CNA2007100688577A patent/CN101052155A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135924A2 (en) * | 2008-05-07 | 2009-11-12 | Orange Personal Communications Services Limited | Mobile communications system and method |
| WO2009135924A3 (en) * | 2008-05-07 | 2009-12-23 | Orange Personal Communications Services Limited | Mobile communications system and method |
| CN101697568B (en) * | 2009-10-26 | 2013-12-18 | 浙江省电力公司 | Disaster recovery method for power customer service system |
| CN101902770A (en) * | 2010-08-20 | 2010-12-01 | 中兴通讯股份有限公司 | Dispatching subsystem for digital trunking communication system and business acceptance method thereof |
| CN101902770B (en) * | 2010-08-20 | 2015-06-24 | 中兴通讯股份有限公司 | Dispatching subsystem for digital trunking communication system and business acceptance method thereof |
| CN102833468A (en) * | 2012-09-10 | 2012-12-19 | 中央电视台 | Broadcasting PGM (Probabilistic Graphical Model) master-slave output one-click emergency system and method |
| CN107659623A (en) * | 2017-09-06 | 2018-02-02 | 深圳震有科技股份有限公司 | A kind of NP data distributing methods and system |
| CN107659623B (en) * | 2017-09-06 | 2020-08-11 | 深圳震有科技股份有限公司 | NP data distribution method and system |
| CN110602685A (en) * | 2019-08-27 | 2019-12-20 | 中国—东盟信息港股份有限公司 | Safe privacy number disaster recovery backup method for number position non-sensing switching |
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Application publication date: 20071010 |