CN101005431B - Realizing device and method for multiple homing in next generation network - Google Patents
Realizing device and method for multiple homing in next generation network Download PDFInfo
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- CN101005431B CN101005431B CN2006100613449A CN200610061344A CN101005431B CN 101005431 B CN101005431 B CN 101005431B CN 2006100613449 A CN2006100613449 A CN 2006100613449A CN 200610061344 A CN200610061344 A CN 200610061344A CN 101005431 B CN101005431 B CN 101005431B
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Abstract
The solution comprises: setting a smart home location register (SHLR) in next generation network (NGN), which is for use in storing gateway data and subscriber data; multi soft-switch addresses can be set up on the gateway; when network runs, if one soft-switch failures, the gateway initiates a registration to another soft-switch that enquires the gateway information on SHLR; the SHLR authenticates the gateway; if the authentication passes, the SHLR returns the gateway data to the soft-switch, and the soft-switch returns the message of successful registration to the soft-switch; after the gateway makes successful registration, the soft-switch updates the registration state of the gateway on the SHLR; the SHLR saves the registration state of the gate way and its registered soft-switch ID.
Description
Technical field
The present invention relates to next generation network NGN field, be meant the implement device and the method for many ownership among a kind of NGN especially.
Background technology
Next generation network NGN is an Open Distributed network; Each WMG can insert Softswitch anywhere through the IP Packet Based Network; But because complexity, the influence of various natural calamities and the integrity problem of Softswitch itself of network; When interrupt or machine room location when earthquake or Softswitch itself taking place breaking down certain of network; WMG will can not provide professional to the user because of the control that loses soft switch, directly has influence on the service quality of operator, causes user's complaint.
For addressing this problem; Introduced dual-homed notion in the prior art; Promptly a media gateway device can belong to two soft switch simultaneously, and when a soft switch was broken down, other soft switch can be taken over the control corresponding media gateway immediately; Guarantee professional not interrupting, thereby improved the disaster tolerance ability of robustness, reliability and the network of system widely.
Present dual-homed realization mechanism mainly comprises static dual-homed and dynamically dual-homed.
Static dual-homed: two Softswitch adopt duplicate Hardware configuration, and software arrangements and data configuration adopt same external IP address.Break down with soft switch when main, be switched to subsequent use soft switch by hand.Related data equipment need be supported dynamic routing protocol.Accomplish the diffusion of revising route at short notice.
Dynamically dual-homed: two Softswitch work alone, between be provided with heartbeat, dispose under unactivated the other side's soft switch the business datums such as gateway, user, relaying of band simultaneously.Gateway device disposes a master simultaneously with soft switch and a subsequent use soft switch.Under the normal condition, gateway registration is being led with work under the soft switch.When the master breaks down with soft switch, gateway will be registered under the subsequent use soft switch again, and will be active and standby with confirming the other side's state through heartbeat between Softswitch, through webmaster synchronous double number formulary certificate.
Yet static dual-homed implementation makes subsequent use soft switch be in idle state for a long time, not only causes the wasting of resources, also makes the increase of networking cost and maintenance management cost simultaneously; Dynamically dual-homed implementation then needs primary, spare soft switch data and heartbeat synchronous, realizes than complicacy and data maintenance also relative complex.In addition, present disaster tolerance settling mode is dual-homed mode, can not accomplish plural many ownership.
Summary of the invention
In view of this, main purpose of the present invention is to provide the implement device and the method for comparatively easy many ownership among a kind of NGN, makes NGN when realizing many ownership, improves the disaster tolerance emergency capability of system.
For realizing above-mentioned purpose, technical scheme of the present invention is achieved in that
A kind of next generation network comprises at least one WMG and two above soft switch, and wherein WMG disposes said two above soft switch addresses; This system also comprises a register; Be used to preserve gateway data and user data, in network operation process, when a soft switch is broken down; WMG is initiated registration to another soft switch of configuration; Saidly need another soft switch of registration to return the message that succeeds in registration to register inquiry gateway data and to gateway, after the gateway registration success, soft switch is to the register login state of new gateway more; Preserve the login state of gateway and the soft switch ID of registration on the said register, said register is intelligent position home location register SHLR.
Wherein, this network is in running, and when a soft switch is broken down, gateway is initiated registration to another soft switch, needs the soft switch record gateway data of registration;
Wherein, soft switch is when register inquiry gateway data, and register carries out the gateway authentication, if the gateway data consistent that writes down in gateway data of preserving on the register and the soft switch, then this authentication is passed through;
Wherein, after authentication was passed through, soft switch was sent the message and to the register login state of new gateway more of succeeding in registration to gateway.
Compared with prior art; The implementation method of many ownership is used to preserve gateway data and user data through an intelligent position home location register SHLR is set among the NGN provided by the invention in NGN; Each WMG disposes the address of a plurality of soft switch; When any one soft switch is wherein broken down, WMG can be initiated registration to other soft switch, and the soft switch of said registration is returned the message that succeeds in registration to SHLR inquiry gateway data and to gateway.This programme realization mechanism is comparatively simple, need not carry out heartbeat and data sync complicated between the soft switch.In addition, many ownership are compared with dual-homed, owing to there are a plurality of soft switch to participate in, have further improved the reliability of system.
Description of drawings
Fig. 1 is that gateway is initiated the registration sketch map in the NGN of the present invention system.
Fig. 2 is the terminal sketch map that makes a call in the NGN of the present invention system.
Embodiment
For making goal of the invention of the present invention, technical scheme and advantage clearer, the present invention is done to describe in detail further below in conjunction with accompanying drawing.
The present invention realizes that the core concept of the many ownership of NGN is: at first, an intelligent position home location register SHLR is set in the NGN system is used for storage gateway data and user data; Registration can be initiated to any soft switch in the address of a plurality of soft switch of each gateway configuration; When a soft switch was broken down, gateway was initiated registration to another soft switch, and this soft switch is to SHLR inquiry gateway data; SHLR carries out the authentication of gateway, if pass through, to the data of soft switch answer gateway, soft switch is replied the message that succeeds in registration to gateway; After the gateway registration success, soft switch is to the SHLR login state of new gateway more, the last login state of gateway and the soft switch ID of registration of preserving of SHLR.
Fig. 1 for gateway in the NGN of the present invention system to soft switch register flow path sketch map; Referring to shown in Figure 1; In NGN of the present invention system, an intelligent position home location register SHLR is set and is used for storage gateway data and user data; Wherein the gateway data refer to address, ID and the password of gateway, and said user data refers to number, port address of user etc.The present invention disposes a plurality of soft switch IP address under each gateway, each soft switch covers and control certain zone respectively.
For instance, gateway has disposed the address of soft switch 1,2,3 for 1 time, and gateway has also disposed the address of soft switch 1,2,3 for 2 times, soft switch 1 control metropolitan area 1 wherein, soft switch 2 control metropolitan areas 2, soft switch 3 control metropolitan areas 3.Gateway 1 is registered in soft switch 1 time, and at this moment, for gateway 1, soft switch 1 is its main ownership soft switch, and soft switch 2,3 is that it is from the ownership soft switch.Gateway 2 is registered in soft switch 2 times, and this moment, soft switch 2 was changed for its main ownership soft switch for gateway 2, and soft switch 1,3 is that it is from the ownership soft switch.In the present invention, to soft switch 1,2,3 and gateway 1,2, have two kinds of incidence relations: the master belongs to and from ownership, this and concrete physical location have nothing to do.
The NGN network in running, when soft switch 1 is broken down, the interruption of shaking hands of gateway 1 and soft switch 1; Gateway 1 is initiated registration to soft switch 2, and the gateway data are registered in the soft switch 2, if soft switch 2 is also broken down; Then gateway 1 is initiated registration to soft switch 3, and the like.Be example with gateway 1 below, the registration process of gateway 1 be described when soft switch 1 is broken down:
Step1: gateway 1 is initiated registration to soft switch 2;
Step2: suppose that soft switch 2 normally moves, then soft switch 2 is to the data of Smart Home Location Register SHLR inquiry gateway 1;
Step3: during as if the address that inquires gateway 1, ID and password, SHLR carries out the authentication of gateway 1, if be stored in gateway 1 data among the SHLR and be registered in gateway 1 data consistent in the soft switch 2, then passes through;
Step4: soft switch 2 is replied the message that succeeds in registration to gateway 1;
Step5: soft switch 2 is to the SHLR login state of new gateway more, the login state of the last preservation of SHLR gateway and the soft switch ID of registration.
The switchover mode of many ownership has two kinds among the NGN of the present invention: manually switch and auto switching.The said finger of manually switching is when one of them soft switch is broken down, and manual work issues manually to switch instructs the soft switch of needs registrations, when the soft switch of needs registration is received when switching order, sends the order of request registration to gateway, manually switches thereby accomplish.Said auto switching refers to gateway with main can't shake hands with soft switch the time, mainly initiates to nullify that (logout flow path and registration class are seemingly just revised the upward gateway data of reservation of SHLR to gateway with soft switch; Repeat no more at this); Gateway is initiated registration to subsequent use soft switch, succeeds in registration business recovery.
In networking, above-mentioned network configuration is presented as independently several offices, is not simple active and standby with relation between these several soft switch, but mutual-aid relation.Only therein under the situation of an inefficacy, another just bears the business of two offices simultaneously, at this moment, for gateway, be a kind of lead the ownership soft switch with from belonging to the conversion between the soft switch.Can find out from this networking mode, when natural calamity takes place, cause a soft switch to withdraw from service, then the WMG that the soft switch of the service of withdrawing from is controlled is taken in another soft switch meeting, to guarantee professional not interrupting.
Please with reference to shown in Figure 2, NGN of the present invention system in running, when the calling subscriber when the called subscriber makes a call, its concrete implementation is following:
For example: calling subscriber A is Shenzhen user, and this user is through soft switch 1 control; Called subscriber B is Beijing user, and this user B is through soft switch 2 control, when A calls out B, needs will call out from Shenzhen that soft switch 1 is routed to Pekinese's soft switch 2, and its calling procedure is following:
Step1: caller A makes a call to called B;
Step2: caller soft switch 1 can know that B is below Pekinese's soft switch 2 according to the prefix in the number of called B 010 when SHLR inquires about;
Step3:SHLR returns to party B-subscriber's this information under Beijing soft switch 2 soft switch 1 in Shenzhen;
Step4: caller is soft cries and changes 1 and make a call to called soft switch 2;
Step5: called soft switch 2 is to SHLR inquiry called party data and gateway data;
Step6:SHLR replys called party data and the gateway data are given called soft switch 2;
Step7: called soft switch 2 promptly makes a call to the called subscriber.
In the above-described embodiments; By being kept among the SHLR with moving on the gateway data; The a plurality of soft switch of each gateway configuration address; When a soft switch is broken down; Gateway is initiated registration to another soft switch; Promptly to SHLR inquiry gateway information, realization mechanism is comparatively simple, need not carry out heartbeat and data sync complicated between the soft switch in this soft switch; In addition, many ownership are compared with dual-homed, owing to there are a plurality of soft switch to participate in, have further improved the reliability of system.
Though through with reference to some preferred embodiment of the present invention, the present invention is illustrated and describes, those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and without departing from the spirit and scope of the present invention.
Claims (3)
1. the implementation methods of many ownership among the NGN is characterized in that, said method comprising the steps of:
A: register is set, this register holds gateway data and user data in NGN;
B: two above soft switch addresses of configuration on the gateway;
C: in network operation process, when a soft switch is broken down, gateway is promptly initiated registration to another soft switch, saidly needs another soft switch of registration to return the message that succeeds in registration to register inquiry gateway data and to gateway; After the gateway registration success, soft switch is preserved the login state of gateway and the soft switch ID of registration to the register login state of new gateway more on the said register, and said register is intelligent position home location register SHLR.
2. the implementation method of many ownership among the NGN as claimed in claim 1; It is characterized in that; Soft switch comprises to register inquiry gateway data: another soft switch of said needs registration is to register inquiry gateway data; Register carries out the authentication of gateway, if pass through, replys the gateway data to soft switch.
3. a NGN system comprises at least one WMG, it is characterized in that; This system comprises two and two above soft switch, and WMG configuration two and two above soft switch addresses also comprise a register; This register holds gateway data and user data are in network operation process, when a soft switch is broken down; WMG is initiated registration to another soft switch of configuration; Saidly need another soft switch of registration to return the message that succeeds in registration to register inquiry gateway data and to gateway, after the gateway registration success, soft switch is to the register login state of new gateway more; Preserve the login state of gateway and the soft switch ID of registration on the said register, said register is intelligent position home location register SHLR.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100613449A CN101005431B (en) | 2006-06-24 | 2006-06-24 | Realizing device and method for multiple homing in next generation network |
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| CN2006100613449A CN101005431B (en) | 2006-06-24 | 2006-06-24 | Realizing device and method for multiple homing in next generation network |
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| CN101005431A CN101005431A (en) | 2007-07-25 |
| CN101005431B true CN101005431B (en) | 2012-05-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101150743B (en) * | 2007-10-23 | 2010-08-18 | 中兴通讯股份有限公司 | A realization method for wide domain group in next generation network |
| CN101707548B (en) * | 2009-11-20 | 2012-04-04 | 中兴通讯股份有限公司 | Soft switch network and method for establishing call in soft switch network |
| CN106789758B (en) * | 2016-12-07 | 2019-08-16 | 河北远东通信系统工程有限公司 | A method of realizing that IP terminal multiple domain shares with more logon modes |
Citations (5)
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| EP1432204A2 (en) * | 2002-12-16 | 2004-06-23 | Alcatel | Method and system for providing softswitch failure protection in a communication network |
| CN1536819A (en) * | 2003-04-11 | 2004-10-13 | 华为技术有限公司 | Method for implementing dual home in next network |
| CN1545338A (en) * | 2003-11-27 | 2004-11-10 | 中兴通讯股份有限公司 | Method and system for improving reliability of soft switch using off-site backup |
| KR20050002546A (en) * | 2003-06-30 | 2005-01-07 | 주식회사 케이티 | Processing method of softswitch failure in NGN |
| CN1735232A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Method and system for realizing short message intercommunication based on mixed telephone number |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1432204A2 (en) * | 2002-12-16 | 2004-06-23 | Alcatel | Method and system for providing softswitch failure protection in a communication network |
| CN1536819A (en) * | 2003-04-11 | 2004-10-13 | 华为技术有限公司 | Method for implementing dual home in next network |
| KR20050002546A (en) * | 2003-06-30 | 2005-01-07 | 주식회사 케이티 | Processing method of softswitch failure in NGN |
| CN1545338A (en) * | 2003-11-27 | 2004-11-10 | 中兴通讯股份有限公司 | Method and system for improving reliability of soft switch using off-site backup |
| CN1735232A (en) * | 2004-08-11 | 2006-02-15 | 华为技术有限公司 | Method and system for realizing short message intercommunication based on mixed telephone number |
Non-Patent Citations (2)
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| KR 20050002546 A,全文. |
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