CN101192980A - A message loop method and system - Google Patents
A message loop method and system Download PDFInfo
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- CN101192980A CN101192980A CNA2006101572291A CN200610157229A CN101192980A CN 101192980 A CN101192980 A CN 101192980A CN A2006101572291 A CNA2006101572291 A CN A2006101572291A CN 200610157229 A CN200610157229 A CN 200610157229A CN 101192980 A CN101192980 A CN 101192980A
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Abstract
The invention discloses an information circulating method, which comprises the following steps: a. the signal network layer MTP3 of the major point information transmission part MPT or the MPT third grade user adaptation layer M3UA receives the information sent by the MTP upper layer. If the objective signaling point of the information is a mutual assistance point, the MTP3 or the M3UA circulates the information to the major point MTP upper layer. The implementation example of the invention overcomes the disadvantages in prior art and realizes MTP3 or M3UA signaling point circulating. Differences in information processing of signaling points with different objectives via the same link circuit are avoided. On conditions of N+1 homing group network, when mutual assistance point paralysis occurs, the service from the major point to the mutual assistance point can still operate normally.
Description
Technical field
The invention belongs to NGN (next generation network) technical field, relate in particular to the technology of mobile flexible exchanging network safety.
Background technology
Soft switch is as important techniques in the next generation network, be wish in next step evolution process of existing heterogeneous networks can be as far as possible smoothly with the various network integration to together, carry out the integration of Internet resources and service resources to greatest extent.Soft switch is the controlled function entity of next generation network, and the providing of business that has the real-time requirement for next generation network called out control and connection control function, is that next generation network is called out and the core of controlling.
Mobile flexible exchanging network has the feature of high density, big capacity, concentrated MSC SERER (soft switch center), and MSC Server residing position in network is higher, and often coverage is bigger.When the major disaster situation appears in MSCServer, as artificial destruction, equipment fault, natural calamity etc., can cause large-scale service disconnection, influence huge.In order to guarantee the safe and reliable of the network operation, N+1 ownership solution is provided in the prior art, realize disaster tolerance and backup functionality between N office point and the office point by N+1 ownership solution.
N+1 ownership solution has proposed the notion of virtual Server node, be about to each MSC Server and invent N virtual Server node unit, each MSCServer entity of correspondence and its composition N+1 home network has been realized the data and the state implementation of each node are fully independently disposed and managed.
As shown in Figure 1, SX2 (MSC server2) is the Server that helps each other of SX1 and SX3, virtual Server 0, Server 1 and 2 three virtual Server node unit of Server in SX2, following three Server of normal condition deal with the business of having jurisdiction over separately, as SX1 or SX3 after wherein the either party breaks down, its corresponding business can activate on SX2, takes over its follow-up business by virtual Server 1 among the SX2 or Server 2.After SX2 has taken over SX1 or SX3 business, just need land processing to the signaling message of SX1 or SX3 at SX2 by SX2.
Existing MTP (Message Transfer Part Message Transfer Part) provides the function of signaling link loopback, can the loopback sign be set for a certain MTP link.MTP determines route according to Destination Point Code, and then according to Route Selection link set and link, when selected link has been provided with the loopback sign, then this message loopback, directly the MTP by local exchange handles this message.
But the message that existing signaling link loopback scheme can cause all to send via this link all is looped back to local exchange and handles, can't distinguish via same link, but the different signaling message of destination signaling point.As shown in Figure 2, if link Link1 is set to loopback, then by SP1 (Signalling Point signalling point) to the message of SPA and all can be to the message of SPB by loopback by SP1, and can not realize by SP1 to the message of SPA by loopback, by SP1 to the message of SPB not by loopback.
If SP1 is the signalling point of helping each other of SPA and SPB simultaneously, and when SP1 uses identical signaling link to SPA with SPB, if SPA fault, SP1 takes over the business of SPA, require message loopback on link of SPA this moment, and the signaling message of going to SPB does not need loopback, the prior art scheme can't address this problem, therefore, as mentioned above, after SX2 has taken over the SX3 business, need land processing by SX2 at SX2 to the signaling message of SX3, existing signaling link loopback scheme can't solve SX2 to the message loopback of SX3 to SX2, simultaneously SX2 to the message of SX1 not by the problem of loopback.Therefore, in existing N+1 ownership solution, after active office point had been taken over the business of the office point of helping each other, the business of the office point of helping each other is put by active office can not normal process.
Summary of the invention
The object of the present invention is to provide a kind of method and system of message loopback, be intended to solve the active office that exists in the prior art and put the problem that the business of the office point of helping each other can not normal process.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of method of message loopback, described method comprises the steps:
A, the signal network layer MTP3 of active office point Message Transfer Part MTP or the MTP third level are with being engaged in, the office point of then will helping each other in MTP3 (the 3rd layer of Message Transfer Part Message Transfer Part) or M3UA (MTP3User Adaptation Layer Message Transfer Part 3rd level user adaptation layer) is provided with the loopback sign, when the active office point is received the message that its MTP upper-layer user sends, its destination signaling point is when helping each other the office point, MTP3 or M3UA are directly with the technical scheme of this message loopback to the MTP upper-layer user, realized the loopback of signalling point at MTP3 or M3UA, solved via message the difference on loop back processing being of same link to different destination signaling points, make under N+1 home networking situation, when helping each other office point paralysis machine, former active office puts the business of helping each other between the office point and still can normally move.
Description of drawings
Fig. 1 is the virtual Server schematic diagram of N+1 home networking in the prior art;
Fig. 2 is the schematic diagram of the described message loopback of the embodiment of the invention;
Fig. 3 is an embodiment of the invention flow chart.
Embodiment
The basic principle of the embodiment of the invention is the business of having taken over the office point of helping each other when active office point, the office point of then will helping each other in MTP3 or M3UA is provided with the loopback sign, when the active office point is received the message that the MTP upper-layer user sends, its destination signaling point when helping each other the office point, MTP or M3UA directly with this message loopback to the MTP upper-layer user.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Under N+1 home networking situation, the business of having taken over the office point of helping each other when active office point can activate the virtual Server that helps each other of configuration on active office point, and at this moment, the signaling message that the office point of helping each other is put by former cause active office is actually at this intra-office to be handled.
The MTP of communication network agreement comprises three layers: ground floor is that signaling data link layer (Signalling DataLink Level) is called physical layer (Physical Level) again, the entity of its definition signal link, electric and family adaptation layer M3UA receive the message that its MTP upper strata sends, the destination signaling point of described message is the office point of helping each other, and then described MTP3 or M3UA arrive described active office point MTP upper strata with described message loopback.
Wherein also comprise before the step a:
Break down in a0, the described office point of helping each other, described active office point is taken over the business of the described office point of helping each other.
Wherein step a specifically comprises:
A1, described active office point MTP go up the described MTP3 of course or M3UA sends message, and the destination signaling point of described message is the described office point of helping each other;
After a2, described MTP3 or M3UA receive described message, detect described destination signaling point whether the loopback sign is set, if then described message loopback is arrived described active office point MTP upper strata.
Wherein also comprise before the step a1:
Break down in a01, the described office point of helping each other, described active office point is taken over the business of the described office point of helping each other, and described MTP3 or M3UA are provided with the loopback sign with the described office point of helping each other.
The upper strata of described active office point is SCCP SCCP or ISDNYong Hubufen ISUP or Telephone User Part TUP.
The present invention also provides a kind of system of message loopback, comprise active office point and the office point of helping each other, described active office point comprises MTP3 or M3UA, is used for receiving that described active office point MTP goes up the message of its transmission of course and be that the message loopback of the described office point of helping each other is to described active office point MTP upper strata with described destination signaling point.
Described MTP3 or M3UA also are used at the described office point of helping each other the loopback sign being set, and whether the destination signaling point that is used for detecting the message that described active office point MTP upper strata sends is provided with the loopback sign, if the destination signaling point of described message is provided with the loopback sign, then described message loopback is arrived described active office point MTP upper strata.
Described active office point MTP upper strata is SCCP or ISUP or TUP.
The embodiment of the invention overcomes the deficiencies in the prior art, adopt the industry functional characteristic of having taken over the office point of helping each other when active office point, so that physical link sending and receiving SS7 (signalling system No.7) to be provided signal, the second layer is called signal link layer (Signalling Link Level), and it is responsible for guaranteeing the reliability of SS7 signal message sending and receiving on physical layer; The 3rd layer (MTP3) is called signal network layer (Signalling Network Level), and major function is that signal message is handled and the signal network management.
M3UA (MTP3User Adaptation Layer Message Transfer Part (3rd level) user adaptation layer), be used between soft switch and SGW, realizing the transmission of Signaling System Number 7 agreement, be supported in the user message that transmits the MTP third level on the IP network, comprise SCCP (Signaling Connection Control Part SCCP), TUP (Telephone User Part) and ISUP (ISDN User Part ISDNYong Hubufen) message.
As shown in Figure 2, active office point activates when helping each other virtual Server, the signalling point of virtual Server of will helping each other in MTP3 or M3UA is provided with the loopback sign, receive the message that upper-layer user (as SCCP, ISUP) etc. sends over as the MTP3 (M3UA) of active office point like this, its destination signaling point is during for the signalling point of this virtual Server that helps each other, then do not need to carry out again processing such as routing, directly give the upper strata of local exchange MTP and go to handle.
Wherein, 0x123 is the signaling point code of active office point, 0x456 is the signaling point code of virtual Server of helping each other, when the active office point receives the next message by the upper strata SCCP of local exchange MTP, when its Destination Point Code is 0x456, show that this message sends to the message of the virtual Server that helps each other for the active office point, because the business that this moment, active office point was taken over this virtual Server that helps each other, this message should be landed processing in active office point (local exchange), after MTP3 or M3UA receive this message, detect the message that Destination Point Code is 0x456, because this moment, signalling point 0X456 was set up the loopback sign, then directly the SCCP of the message loopback that sends to 0x456 to local exchange gone to handle.
The flow process of present embodiment comprises the steps: as shown in Figure 3
1, SX2 (active office point, signaling point code are 0x123) sends SCCP message to SX1 (office point of helping each other, signaling point code are 0x456), and SCCP sends a message to MTP3 (M3UA);
2, whether MTP3 (M3UA) testing goal signaling point code 0x456 is provided with the loopback sign, if change step 3, otherwise change step 4;
3, MTP3 (M3UA) handles message loopback to SCCP;
4, MTP3 (M3UA) determines route according to Destination Point Code, according to Route Selection link set and link, sends a message to SX1 then.
As mentioned above, under the situation of N+1 home networking, when helping each other office point fault paralysis machine, active office point is taken over the business of the office point of helping each other, this moment, MTP3 or the M3UA office point of will helping each other was provided with the loopback sign, as the MTP upper strata of active office point (SCCP, ISUP or TUP) send message to MTP3 or M3UA, after MTP3 or M3UA receive message, judge that its destination signaling point is the office point of helping each other, this office point of helping each other is provided with the loopback sign, the then direct MTP upper strata that message loopback is put to active office, therefore, after active office point was taken over the business of the office point of helping each other, the business of the office point of helping each other is put by active office can normal process.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method for a message loopback is characterized in that, described method comprises the steps:
The signal network layer MTP3 of a, active office point Message Transfer Part MTP or MTP third level user adaptation layer M3UA receive the message that its MTP upper strata sends, the destination signaling point of described message is the office point of helping each other, and then described MTP3 or M3UA arrive described active office point MTP upper strata with described message loopback.
2. method according to claim 1 is characterized in that, wherein also comprises before the step a:
Break down in a0, the described office point of helping each other, described active office point is taken over the business of the described office point of helping each other.
3. method according to claim 1 is characterized in that, wherein step a specifically comprises:
A1, described active office point MTP go up the described MTP3 of course or M3UA sends message, and the destination signaling point of described message is the described office point of helping each other;
After a2, described MTP3 or M3UA receive described message, detect described destination signaling point whether the loopback sign is set, if then described message loopback is arrived described active office point MTP upper strata.
4. method according to claim 2 is characterized in that, wherein also comprises before the step a1:
Break down in a01, the described office point of helping each other, described active office point is taken over the business of the described office point of helping each other, and described MTP3 or M3UA are provided with the loopback sign with the described office point of helping each other.
5. method according to claim 1 is characterized in that, the upper strata of described active office point is SCCP SCCP or ISDNYong Hubufen ISUP or Telephone User Part TUP.
6. the system of a message loopback, comprise active office point and the office point of helping each other, it is characterized in that, described active office point comprises MTP3 or M3UA, is used for receiving that described active office point MTP goes up the message of its transmission of course and be that the message loopback of the described office point of helping each other is to described active office point MTP upper strata with described destination signaling point.
7. system according to claim 6, it is characterized in that, described MTP3 or M3UA also are used at the described office point of helping each other the loopback sign being set, and whether the destination signaling point that is used for detecting the message that described active office point MTP upper strata sends is provided with the loopback sign, if the destination signaling point of described message is provided with the loopback sign, then described message loopback is arrived described active office point MTP upper strata.
8. system according to claim 6 is characterized in that, described active office point MTP upper strata is SCCP or ISUP or TUP.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101572291A CN101192980B (en) | 2006-11-30 | 2006-11-30 | A message loop method and system |
| PCT/CN2007/071067 WO2008064601A1 (en) | 2006-11-30 | 2007-11-15 | Method of realizing dual homing, system and softswitch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101572291A CN101192980B (en) | 2006-11-30 | 2006-11-30 | A message loop method and system |
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| CN101192980A true CN101192980A (en) | 2008-06-04 |
| CN101192980B CN101192980B (en) | 2012-04-25 |
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| CN2006101572291A Active CN101192980B (en) | 2006-11-30 | 2006-11-30 | A message loop method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450707A (en) * | 2018-12-13 | 2019-03-08 | 京信通信系统（中国）有限公司 | A kind of data transmission method, device, gateway and readable storage medium storing program for executing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1536819B (en) * | 2003-04-11 | 2010-08-04 | 华为技术有限公司 | Method for implementing dual location in next network |
| KR20040107221A (en) * | 2003-06-13 | 2004-12-20 | 엘지전자 주식회사 | method for transmission and reception with other station by VSP in the exchange of common channel signalling |
| CN100574486C (en) * | 2004-08-29 | 2009-12-23 | 华为技术有限公司 | The system of dual-homing networking and method thereof in the communication network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450707A (en) * | 2018-12-13 | 2019-03-08 | 京信通信系统（中国）有限公司 | A kind of data transmission method, device, gateway and readable storage medium storing program for executing |
| CN109450707B (en) * | 2018-12-13 | 2021-12-14 | 京信网络系统股份有限公司 | Data transmission method and device, gateway equipment and readable storage medium |
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| CN101192980B (en) | 2012-04-25 |
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