CN101640611A - Method for synchronous and real-time reversion for VOIP voice service primary and standby modules - Google Patents
Method for synchronous and real-time reversion for VOIP voice service primary and standby modules Download PDFInfo
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Abstract
The invention discloses a method for synchronous and real-time reversion for VOIP voice service primary and standby modules, relating to a seamless switch for a primary module and a standby module ofa signaling gateway. After powering up, the standby module establishes communication with the primary module to inform existence of the primary module; the primary module sends configuration information to the standby module; the standby module initiates confirmation to the primary module; the primary module synchronizes service information to the standby module; after synchronization is finished,the primary module marks up a synchronous finish marker at the same time; power-on synchronization of the standby module is finished, and real-time data synchronization is started. In a phase of real-time synchronization, the standby module modifies a self state after analysis according to a communication content to achieve a state of synchronization with the primary module. The method for synchronous and real-time reversion can synchronize data of the primary module and the standby module in real time, have simple switch process, realize the seamless switch of the primary module and the standby module and be suitable for two protocols of MEGACO and MGCP, wherein a new primary module after switch can immediately and accurately treat voice service.
Description
Technical field
The present invention relates to the active and standby module seamless switching of using of SGW, a kind of specifically VOIP speech business main backup module reaches the real-time reversion method synchronously.
Background technology
With the voip technology of making a phone call by internet transmission is one of at present most economical in the world telephony.Although there are some critical limitations, because its cost is low, can provide advantages such as voice, data and video multiple business function simultaneously, obtain the favor of communication industry, progressively promoted.
Along with voip technology is used more and more widely, people obviously improve for reliability, performance and the safety concerns degree of voip network.For voip network, its reliability relates to many-side, comprises that the guarantee that is provided need be provided design of hardware and software, overall structure, operating system and the data network of product self.Except when voip network designs, carry out the consideration of globalize, comprise the disaster tolerance and the backup measure of system, when certain node breaks down, corresponding guarantee measures is arranged.The redundancy properties of product itself in addition then is the direct method that can improve VoIP speech business reliability, for the global reliability that improves system, is indispensable part.
The IP phone that people's idea price is cheap just can not realized speech business, goes back the continuation that hope further improves speech quality and ensures conversation.But the IP phone in the network is by the internet transmissions data now, and the SGW in the internet is of all kinds, in the network environment of complexity, may run into unexpected event or is attacked, and causes the paralysis of SGW, affects user's actual use.And the internet is stable not as the PSTN traditional telephone network, and the quality of VoIP voice is compared the traditional PSTN net and more is subject to network environment or equipment fault influence with reliability.In order to ensure after the SGW fault, user's business can not affected by it, the general main backup module redundancy backup mode (main backup module also can be described as master and standby dish) that adopts, the primary module (master) of current activation is when breaking down, in the of short duration time, in time business is switched to spare module (standby dish).But, for speech business, the requirement of real-time and accuracy is very strict, and the time that active and standby switching takes place can't be expected, in order to realize that main backup module (master and be equipped with dish) switches fast and accurately, how to realize that the seamless switching of main backup module (master and be equipped with dish) is a urgent problem.
Summary of the invention
For the defective that exists in the prior art, the object of the present invention is to provide a kind of VOIP speech business main backup module to reach synchronously the real-time reversion method, can be in real time synchronous main backup module data, handoff procedure is simple, switch immediately accurate processed voice business of rear new primary module, realize the seamless switching of main backup module, and be applicable to MEGACO and two kinds of agreements of MGCP.
For reaching above purpose, the technical scheme that the present invention takes is:
A kind of VOIP speech business main backup module reaches the real-time reversion method synchronously, it is characterized in that may further comprise the steps:
Step 2 after the notified information of primary module, sends configuration information to spare module;
Step 3, primary module sends current media gateway controlling MGC information to spare module;
Step 4, primary module sends log-on message to spare module;
Step 5, primary module sends registration to spare module and finishes inquiry, and whether each information that query steps 2～4 is sent is registered and is finished;
Step 6, finish the registration of each information that step 2～4 are sent when spare module after, spare module sends registration to primary module and finishes announcement information;
Step 7, primary module send to spare module and need synchronous business information;
Step 8, spare module sends the ARP request to main with module;
Step 9, repeating step 7,8 breaks down with module up to main, and spare module is upgraded to the main module of using.
On the basis of technique scheme, the said primary module of step 7 sends to spare module needs synchronous business information to comprise following concrete steps:
Step 71, primary module sends the current RTP port numbers to spare module;
Step 72, primary module sends current arp entry to spare module;
Step 73 if primary module is received user action, is then transmitted the user side action message to spare module;
Step 74 if primary module is revised session connection, is then transmitted session connection to spare module;
Step 75 if primary module is received configuration information, is then transmitted configuration information to spare module.
On the basis of technique scheme, the said spare module of step 1 powers on, be meant with module transmission announcement information to main: if spare module and the main module of using are at same device interior, spare module only need send to the main module of using as announcement information with its mac address information, otherwise spare module need send to the main module of using as announcement information with its IP address information.
On the basis of technique scheme, before primary module sends configuration information to spare module in the step 2, should set up earlier the communication mechanism between the standby usage module between primary module and spare module, if spare module and primary module are at same device interior, directly the intercommunication mechanism by equipment realizes, otherwise realizes by the SOCKET communication mechanism; Said configuration information comprise at least address, the soft-switch platform of soft-switch platform port numbers, with local port number, the local ip configuration information of primary module and the local VOIP voice configuration information of primary module of the primary module of soft-switch platform swap data; After spare module was received whole configuration informations, spare module sent configuration information to primary module and finishes synchronously announcement information.
On the basis of technique scheme, after step 7 executes, active and standbyly at first together go on foot complement mark with tense marker with module, and then execution in step 8.
VOIP speech business main backup module of the present invention reaches the real-time reversion method synchronously, can be in real time synchronous main backup module data, handoff procedure is simple, switch immediately accurate processed voice business of rear new primary module, realize the seamless switching of main backup module, and be applicable to MEGACO and two kinds of agreements of MGCP.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 main backup module redundancy backup schematic diagram;
Fig. 2 spare module handling process that powers on;
The real-time synchrodata flow graph of Fig. 3 main backup module;
Fig. 4 user side action real-time synchronization flow process;
The in real time synchronous flow process of Fig. 5 soft switch signaling;
Fig. 6 configuration information real-time synchronization flow process;
The active and standby module switching flow of using of Fig. 7;
Fig. 8 masterslave switchover flow chart
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 reaches the main backup module redundancy backup schematic diagram that the real-time reversion method relates to synchronously for VOIP speech business main backup module of the present invention, and wherein main control module mainly is responsible for the relevant configuration of SGW; The user side module is the abstract entity of ustomer premises access equipment; Lead the processing of being responsible for signaling with module, finish the process that conversation is set up; Spare module is responsible for backing up main with modules configured data and business datum.As shown in Figure 1, main control module is responsible for issuing configuration information, it only with current primary module communication; The user side module is responsible for processing terminal information, such as the mechanical, electrical words number of seting out report, playback, switch passage and revise channel parameters etc., it also only with current primary module communication; Primary resume module SoftSwitch Protocol is responsible for and the communicating by letter of soft-switch platform, user side module, and primary module is also processed the configuration information that main control module issues, and also need be communicated by letter with spare module simultaneously, and synchronizing information is provided; The spare module receiving synchronous information also backs up configuration data and the business datum (configuration data and business datum also can be described as configuration information and business information) of primary module.
The said primary module of the present invention and spare module are two entities on the software level, primary module is module current activation, just in use, it implements all functions of SGW, be responsible for the processing of signaling, on the one hand and controlling party---soft-switch platform communicates, also keeping on the other hand and the communicating by letter of user side module, as tie soft-switch platform is being connected with the user side module, translating and transmitting order that the two is sent out mutually; Spare module only backs up configuration information and the business information of primary module, really the result of signaling is not implemented, it also only communicates with primary module simultaneously, only working as primary module breaks down, in the time of can't recovering voluntarily, spare module replaces original primary module, upgrades to new primary module, implements all functions of SGW.
On the basis of main backup module redundancy backup shown in Figure 1, the present invention can realize VoIP voice high reliability, main dependence main backup module reaches synchronously real-time reversion and realizes, VOIP speech business main backup module of the present invention reaches the real-time reversion method as shown in Figure 8 synchronously, after spare module powers on, communicate by letter with primary module foundation, notify the existence of primary module oneself, by primary module configuration information is sent to spare module, initiated to confirm to primary module by spare module then, primary module is synchronized to spare module with business information afterwards, after finishing synchronously, the standby usage module is with the synchronous complement mark of tense marker, and spare module powers on synchronously that this link finishes, and it is synchronous to begin real-time data.In the real-time synchronization stage, spare module is revised oneself state according to Content of Communication after resolving, and reaches the state synchronous with primary module.Its concrete steps are:
Step 2 after the notified information of primary module, sends configuration information to spare module;
Step 3, primary module sends current media gateway controlling MGC information to spare module;
Step 4, primary module sends log-on message to spare module;
Step 5, primary module sends registration to spare module and finishes inquiry, and whether each information that query steps 2～4 is sent is registered and is finished;
Step 6, finish the registration of each information that step 2～4 are sent when spare module after, spare module sends registration to primary module and finishes announcement information;
Step 7, primary module send to spare module and need synchronous business information;
Step 8, spare module sends the ARP request to main with module;
Step 9, repeating step 7,8 breaks down with module up to main, and spare module is upgraded to the main module of using.
On the basis of technique scheme, the said primary module of step 7 sends to spare module needs synchronous business information to comprise following concrete steps:
Step 71, primary module sends the current RTP port numbers to spare module;
Step 72, primary module sends current arp entry to spare module;
Step 73 if primary module is received user action, is then transmitted the user side action message to spare module;
Step 74 if primary module is revised session connection, is then transmitted session connection to spare module;
Step 75 if primary module is received configuration information, is then transmitted configuration information to spare module.
On the basis of technique scheme, the said spare module of step 1 powers on, be meant with module transmission announcement information to main: if spare module and the main module of using are at same device interior, spare module only need send to the main module of using as announcement information with its mac address information, otherwise spare module need send to the main module of using as announcement information with its IP address information.
On the basis of technique scheme, before primary module sends configuration information to spare module in the step 2, should set up earlier the communication mechanism between the standby usage module between primary module and spare module, if spare module and primary module are at same device interior, directly the intercommunication mechanism by equipment realizes, otherwise realizes by the SOCKET communication mechanism; Said configuration information comprise at least address, the soft-switch platform of soft-switch platform port numbers, with local port number, the local ip configuration information of primary module and the local VOIP voice configuration information of primary module of the primary module of soft-switch platform swap data; After spare module was received whole configuration informations, spare module sent configuration information to primary module and finishes synchronously announcement information.
On the basis of technique scheme, after step 7 executes, active and standbyly at first together go on foot complement mark with tense marker with module, and then execution in step 8.
As mentioned above, the synchronous process that powers on being arranged after spare module powers on, mainly is that primary module configuration information and business information at this moment is synchronized to spare module.Specifically: after spare module powers on, the first, spare module execution in step 1 is communicated by letter with primary module foundation, notifies the existence of primary module oneself; Second, primary module execution in step 2～5, configuration information of primary module etc. is sent to spare module, and inquire about spare module and whether register the information that completing steps 2 to 4 sends, the configuration information in the step 2 comprises signaling ip/ mask/gateway, medium ip/ mask/gateway, local port number, soft-switch platform information, WMG domain name, the configuration information that each port user name etc. is relevant with the NGN agreement and the relevant voice configuration information with speech business; What send out in the step 3 is the MGC information of current use; What send out in the step 4 is the information which port is opened speech business; The 3rd, spare module execution in step 6 is initiated to confirm to primary module, confirms that it has finished the registration of each information that step 2 to 4 is sent; The 4th, primary module execution in step 7 is synchronized to spare module with the business information of primary module; The 5th, spare module sends synchronous complement mark, and the standby usage module is with the synchronous complement mark of tense marker.Spare module powers on synchronously that this link finishes, and it is synchronous to begin real-time data, and namely repeating step 7,8 until primary module breaks down, upgrades to primary module with spare module.Synchronously complement mark is put on after step 7 is carried out, it just sign synchronous this link that powers on finish, when having execution in step 7 during real-time synchronization, but can again not indicate this flag bit yet.The master sends current arp entry with module in spare module powers on synchronism link to spare module, be that current arp entry is synchronized to spare module, current master also need arp entry synchronous in the real-time data sync link, because can cause the increase and decrease of arp entry with the dynamic change of call-information on the module.
As shown in Figure 2 (master is primary module among the figure, and standby dish is spare module), spare module power on handling process specifically the branch following components realize:
1, spare module is notified primary module.If the position that needs the notice spare module at same device interior, only needs the mac address information of notice spare module, if spare module and primary module are independent, then needs to notify the IP address information of spare module.
2, the main information of putting forward according to spare module with module is set up active and standby with the communication mechanism between the module.Same equipment can realize that external equipment is taked the SOCKET communication mechanism by intercommunication.
3, the master sends to spare module with module with existing configuration information.The address, the port that comprise soft switch, local ip and port, VOIP voice configuration information (containing domain name, port name) etc.
4, spare module request synchronous protocol has related parameter.
5, primary module sends current media gateway controlling MGC information to spare module.
6, after all configuration synchronization are finished, primary module sends configuration synchronization to spare module and finishes.
7, primary module arrives spare module with the information synchronization that converse this moment.Primary module is collected all link informations of conversing, forms the order of signaling, sends to spare module.Spare module is ordered according to these, connects synchronously at spare module, and is consistent with the information that reaches the standby usage module.Spare module is to be responsible for the primary module configuration data of backup and business datum, but realization mechanism of the present invention is to issue spare module by primary module with the form of signaling bag, resolved by spare module oneself, carry out then, be equivalent to carry out the whole process that connects this signaling that creates.
8, primary module sends and finishes synchronously mark to spare module.Active and standbyly finish mark synchronously with tense marker, the active and standby simultaneous data sync of beginning back with module.
Secondly, active and standbyly exist simultaneously, finish the synchronous process that powers on after, spare module needs the in real time information of synchronous primary module.Since spare module only with primary module communication, so all need synchronizing informations all send to spare module by primary module, notice has informational needs synchronous.Primary module all needs earlier relevant information to be synchronized to spare module when having user side event handling, signaling to process and newly configuration obtains, and carries out relevant treatment work again.And as long as spare module is with the synchronizing information of receiving, correspondingly process, this process with the processing of primary module this moment unique different be exactly that spare module is to any information of the outer transmission of module, target be exactly accomplish with primary module status synchronously, when guaranteeing to switch in real time, spare module can be upgraded to primary module immediately, launches to use, and realizes active and standby seamless switching.
In this link, need synchronous information to divide three aspects, see Fig. 3 for details:
(1) user action information, the master needs earlier this information is sent to spare module with module, the master almost is converted into signaling data with user action information simultaneously with module and spare module then, to organize good signaling packet by the master with module and send to soft-switch platform, spare module is only accomplished related data and state synchronization, does not externally send signaling packet;
(2) the soft-switch platform signaling that receives, the master also needs earlier this information is notified to spare module with module, then finishing signaling resolves, carry out the preceding preparation of user side action, notify user side to carry out relevant action at last, after spare module is received synchronizing information, also need finish signaling and resolve and relevant preparation, but not notify user side to carry out actual operation;
(3) configuration information that issues from main control module, the master at first notifies spare module will carry out the change of relevant configuration with module, realize own module configuration information change again, after spare module is received the synchronous update command of configuration information, also can be updated to latest configuration in real time.
Active and standby simultaneously existence, real-time synchronization provides assurance for active and standby seamless switching, the very key so this link becomes need to be finished following action:
1, after the master receives user's action with module, at first these is moved synchronized transmissions to spare module, again these actions are sent to soft switch with the signaling form.(seeing Fig. 4 for details)
2, after spare module was received and led the user action that sends over module, all were walked by normal flow, but these signalings are not sent to soft switch.
3, main when receiving the order that soft switch gets off with module, at first these orders are sent to spare module, and then handle.(seeing Fig. 5 for details)
4, spare module is received the soft switch order that primary module is come synchronously, processes by normal flow.
When 5, primary module is received the configuration that main control module issues, also configuration information to be synchronized to spare module.(seeing Fig. 6 for details)
When 6, spare module is received the new configuration information that primary module comes synchronously, need to change be configured to consistent with primary module.
At last, when primary module running into fault when paralysis, can realize the switching of standby usage module, primary module is moved back and is spare module, and spare module can be upgraded to primary module fast, realizes well the speech business function.On the basis of second fine realization of link, this link becomes relatively simple on the contrary at last, mainly is the transformation that realizes active and standby sign, and the exchange (seeing Fig. 7 for details) of the spare module essential information of primary module preservation.When active and standby switching starts, can be finished the conversion of active and standby sign by hardware, and hardware finishes, in time, consumed still less.
After primary module was switched, primary module will self reset as spare module, repeats above process again, to reach the impregnable purpose of customer service.
Among the present invention, no matter come to user side information, or the soft-switch platform signaling, or configuration information, main backup module all carries out the processing of identical information separately, and such way is to wish active and standby synchronizing information with module is reduced as much as possible, alleviates the load of main backup module communication.Real-time synchronizing information has guaranteed the strict conformance of standby usage module data so that standby usage module real-time reversion becomes possibility, to guarantee active and standby seamless switching.
In this main backup module redundancy backup mode that the present invention adopts, the information of the real-time synchronous interaction of main backup module is signaling packet, adopt this mechanism, can reduce active and standby synchronizing information as much as possible with intermodule, alleviate the main backup module traffic load, and can also guarantee active and standby strict conformance with module data.On the basis of this mechanism, the required work of doing just becomes seldom when switching, so that standby usage module real-time reversion becomes possibility, guarantees the seamless switching of main backup module.
In the soft switch agreement, megaco protocol or MGCP agreement belong to principal and subordinate's control protocol.For SGW, it belongs to Be Controlled one end, and groundwork is: finish action with the user and be converted to signaling and issue soft switch, the order that sends according to soft switch then changes the attribute of ustomer premises access equipment, reaches the purpose of setting up conversation.When two kinds of agreements are used on the SGW, identical property is arranged on realization mechanism, this invention will be applicable to two kinds of agreements of MEGACO and MGCP simultaneously.
Claims (5)
1. a VOIP speech business main backup module reaches the real-time reversion method synchronously, it is characterized in that may further comprise the steps:
Step 1, spare module powers on, and sends announcement information to primary module;
Step 2 after the notified information of primary module, sends configuration information to spare module;
Step 3, primary module sends current media gateway controlling MGC information to spare module;
Step 4, primary module sends log-on message to spare module;
Step 5, primary module sends registration to spare module and finishes inquiry, and whether each information that query steps 2～4 is sent is registered and is finished;
Step 6, finish the registration of each information that step 2～4 are sent when spare module after, spare module sends registration to primary module and finishes announcement information;
Step 7, primary module send to spare module and need synchronous business information;
Step 8, spare module sends the ARP request to main with module;
Step 9, repeating step 7,8 breaks down with module up to main, and spare module is upgraded to the main module of using.
2. VOIP speech business main backup module as claimed in claim 1 reaches the real-time reversion method synchronously, it is characterized in that: the said primary module of step 7 sends to spare module needs synchronous business information to comprise following concrete steps:
Step 71, primary module sends the current RTP port numbers to spare module;
Step 72, primary module sends current arp entry to spare module;
Step 73 if primary module is received user action, is then transmitted the user side action message to spare module;
Step 74 if primary module is revised session connection, is then transmitted session connection to spare module;
Step 75 if primary module is received configuration information, is then transmitted configuration information to spare module.
3. VOIP speech business main backup module as claimed in claim 1 or 2 reaches the real-time reversion method synchronously, it is characterized in that: the said spare module of step 1 powers on, be meant with module transmission announcement information to main: if spare module and the main module of using are at same device interior, spare module only need send to the main module of using as announcement information with its mac address information, otherwise spare module need send to the main module of using as announcement information with its IP address information.
4. VOIP speech business main backup module as claimed in claim 1 or 2 reaches the real-time reversion method synchronously, it is characterized in that: before primary module sends configuration information to spare module in the step 2, should set up earlier the communication mechanism between the standby usage module between primary module and spare module, if spare module and primary module are at same device interior, directly the intercommunication mechanism by equipment realizes, otherwise realizes by the SOCKET communication mechanism; Said configuration information comprise at least address, the soft-switch platform of soft-switch platform port numbers, with local port number, the local ip configuration information of primary module and the local VOIP voice configuration information of primary module of the primary module of soft-switch platform swap data; After spare module was received whole configuration informations, spare module sent configuration information to primary module and finishes synchronously announcement information.
5. VOIP speech business main backup module as claimed in claim 1 or 2 reaches the real-time reversion method synchronously, it is characterized in that: after step 7 executes, active and standbyly at first together go on foot complement mark with tense marker with module, and then execution in step 8.
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| CN103020068A (en) * | 2011-09-21 | 2013-04-03 | 联想(北京)有限公司 | Synchronizing method and synchronizing device |
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| CN103124220A (en) * | 2011-11-21 | 2013-05-29 | 苏州达联信息科技有限公司 | Primary and standby synchronization protocol of video distribution network global server |
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| CN100407646C (en) * | 2005-03-28 | 2008-07-30 | 华为技术有限公司 | Method for realizing data service backup |
| CN101051883B (en) * | 2007-05-11 | 2011-04-20 | 杭州华三通信技术有限公司 | Service switching method and system after main voice server fault restoring |
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| CN103020068A (en) * | 2011-09-21 | 2013-04-03 | 联想(北京)有限公司 | Synchronizing method and synchronizing device |
| CN103124220B (en) * | 2011-11-21 | 2017-04-26 | 苏州达联信息科技有限公司 | Primary and standby synchronization method of video distribution network global server |
| CN103124220A (en) * | 2011-11-21 | 2013-05-29 | 苏州达联信息科技有限公司 | Primary and standby synchronization protocol of video distribution network global server |
| CN103248501A (en) * | 2012-02-01 | 2013-08-14 | 中兴通讯股份有限公司 | Service protection switching method and PON equipment |
| CN103116534A (en) * | 2012-06-27 | 2013-05-22 | 北京智网科技股份有限公司 | Novel information system emergency disaster recovery method |
| CN103795878A (en) * | 2012-11-05 | 2014-05-14 | 华为技术有限公司 | Protection method, device and system for voice-over-internet-protocol service |
| CN103795878B (en) * | 2012-11-05 | 2015-12-02 | 华为技术有限公司 | A kind of guard method of Voice over IP business, equipment and system |
| CN105515655A (en) * | 2016-01-18 | 2016-04-20 | 烽火通信科技股份有限公司 | Voice master and standby switching method based on SIP (Session Initiation Protocol) |
| CN105515655B (en) * | 2016-01-18 | 2018-02-16 | 烽火通信科技股份有限公司 | A kind of voice main and standby rearranging method based on Session Initiation Protocol |
| CN107566140A (en) * | 2016-07-01 | 2018-01-09 | 中兴通讯股份有限公司 | A kind of remote upgrade method and system based on IPMI |
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