CN1258902C - Multiple-signalling point and multiple-protocal method - Google Patents
Multiple-signalling point and multiple-protocal method Download PDFInfo
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- CN1258902C CN1258902C CN 01112875 CN01112875A CN1258902C CN 1258902 C CN1258902 C CN 1258902C CN 01112875 CN01112875 CN 01112875 CN 01112875 A CN01112875 A CN 01112875A CN 1258902 C CN1258902 C CN 1258902C
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Abstract
The present invention discloses an implementing method of multi-signaling points and multi-protocol. In the method, a plurality of different network plane identifiers on one physical signaling point are introduced to identify different logical signaling points in the same physical signaling point; a communication protocol can be optionally selected and used for each logical signaling point, and thereby, the method of multi-signaling points and multi-protocol between two physical signaling points is realized. The method of the present invention solves the matching communication problem among signaling points in the field of communication, smooth upgrade can be carried output on the existing hardware system, and extra hardware investment does not need; in addition, a large quantity of physical signaling points are saved, and the load carrying capacity of signaling points is improved.
Description
Technical field:
The present invention relates to cooperatively interact between the relevant signalling point of the communication field problem of communication particularly relates to a kind of method that realizes a plurality of logic signalling points on a physics signalling point, and can realize on the same physics signalling point and deposit different consensus standards.
Background technology:
In present Signaling System Number 7 web frame, owing to be subjected to cic circuit identification code (Circuit IdentificationCode--CIC) length is that 12 and signaling link selection (Signaling Link Selection--SLS) length are 4 restriction, the circuit number that can carry between two signalling points (Signaling point-SP) is 4096 to the maximum, and selectable signaling link way is 16 to the maximum.Along with popularizing of Signaling System Number 7, use the traffic carrying capacity of Signaling System Number 7 constantly to increase, above-mentioned restriction to the circuit number that carried between two signalling points and signaling link way can not have been satisfied the demand of operational line amount fully.In order to address this problem, industry proposes the transmission rate that a kind of method has improved signaling link between two signalling points, for example use 2Mbit/s high speed signaling link to substitute the signaling link of original 64Kbit/s, make that in theory load that every high speed signaling link can carry is tens times of original 64Kbit/s signaling link, though this can improve the load that signaling link can carry greatly, but because the signaling relation between two physics signalling points still remains unchanged, so but the bearer circuit number between them still is subjected to the restriction of CIC length, so do not solve the problem that circuit is counted deficiency.
Carry out between the signalling point in the existing equipment agreement of communication common following two kinds of standards are arranged: ITU-T standard and ansi standard that is to say that a physics signalling point equipment can only offer wherein a kind of office direction of consensus standard of employing.And the demand of offering the different office direction of two consensus standards is simultaneously arranged on the basis of same physics signalling point equipment, this can't realize in existing most equipment.
Summary of the invention:
The objective of the invention is for solve about the circuit number that can carry between two SP be subjected to shortcoming that 4096 restriction and signaling link be no more than 16 and at present mostly equipment a kind of limitation of consensus standard can only singlely be provided, a kind of method flexibly and effectively is provided, feasible hardware facility to existing equipment does not need too many change, just can allow the signaling link way and the circuit number that can carry be linear growth, be implemented in the various protocols on the routing management of the processing of message and signaling network simultaneously and deposit processing.
The implementation method treatment step of multiple signaling points multi-protocols of the present invention is as follows:
The first step, the configuration of signaling data
According to the owning administration of the physics signalling point of local terminal to number, the virtual network network plane is set, all corresponding unique network identifier in each virtual net plane;
2. on each virtual net plane, the signaling point code that is adopted is set;
3. the network identifier on communications protocol, signaling point code form and the virtual net plane, opposite end of application is set in the office direction data of opposite end office according to the configuring condition of this end office (EO);
The owning administration of configuration local terminal signalling point to link group and link;
Second step, the handling process of user data
1. judge whether to light a message by the local terminal signaling; If local terminal sends, then in available local terminal virtual net plane, carry out Dynamic Selection, and determine corresponding network identifier, if local terminal receives, then obtain network identifier under it according to the link that receives opposite end message;
2. determine the module No. at the source address sign indicating number of message flow and destination address sign indicating number, office direction number, communications protocol, link No. and link place according to the described network identifier of message;
3. encode according to the protocol class on described virtual net plane;
4. the user data behind the coding is finished on selected physical link and is sent and receive.
Adopt the method for the invention, broken through original restriction to circuit number and signaling link way, reached under the situation of signaling message energy normal process, the effect that efficient circuit number of supporting and signaling link way increase greatly, can be smoothly on the basis that the original investment hardware device need not to change the signaling process function of new increase, effectively improved the load-bearing capacity of signaling equipment, increased the protocol type of supporting, signaling equipment to different agreement provides good access effectively, thereby saved the setting of a large amount of physics signalling points, improved the load bearing capacity of signalling point.
Description of drawings:
Fig. 1 is the method overall flow figure that the present invention realizes the multiple signaling points multi-protocols;
Fig. 1 a is the flow chart that carries out the signaling data configuration;
Fig. 1 b is that message sends and the flow chart that receives;
Fig. 2 is that local terminal carries out the schematic diagram that message sends, receives with global title (Global Title--GT) addressing system in the embodiment of the invention;
Fig. 3 is that local terminal carries out the schematic diagram that message sends, receives with Destination Point Code (Destination Point Code--DPC)+Sub-System Number (Subystem Number-SSN) addressing system in the embodiment of the invention;
Embodiment:
Specify the method that the present invention realizes the multiple signaling points multi-protocols below by accompanying drawing, and with embodiment.
Below be elaborated with the application of the present invention in switching system.Can form by the element of switch at hardware components, when realizing, can existing hardware equipment not done under the situation of big transformation, can increase the function of multiple signaling points coding smoothly newly.
The realization of multiple signaling points multi-protocols function mainly concentrates on the MTP-L3 layer, and the TCAP layer and the corresponding client layer of SCCP (Signalling Connection Control Part--SCCP) and transaction-capable applying portion (TransactionCapability Application Part-TCAP) also need to realize the transmission of parameter between levels and the variation of interface as corresponding modification simultaneously.
The MTP-L3 third level is equivalent to the three-layer network management level of OSI, is divided into two main modular: signaling message is handled (SMH) and signaling network management (SNM).Signaling network management passes through to change the routing of Message Processing, thereby, the syndeton of change signalling point and network; Simultaneously, Message Processing is again the conveyer of network management messages.
In order in signaling network, to distinguish different agreements, in the configuration of office direction data, will demarcate the coded format that this office direction belongs to that quasi-protocol and signalling point, at message processing module the message of different directions is identified that at first this protocol of messages type decodes then, and this protocol of messages type of mark is given the client layer of different agreement.In message routing function, also at first distinguish this protocol of messages and type of coding (14 or 24) from the message that client layer comes, then, initiate a message according to different situation recompiles.
In signaling network management, each Signaling Traffic Management module at first is tested and appraised process and signaling message that protocol type is distinguished agreement, has guaranteed the cooperation fully of variety of protocol and signaling.
With reference to the accompanying drawings shown in the 1a in the method for the present invention to the flow process of signaling data configuration, distinguish the affiliated different office directions of identical signaling point code by having introduced network plane number (being the network identifier of network plane), network plane number is the office direction corresponding to signaling network, only has local significance, and be sightless for opposite end office, and its meaning and speech channel network plane are irrelevant.The Message Processing part can be supported eight kinds of signaling network network planes simultaneously, every kind of signaling network network plane number support 14 or 24 two kinds of signaling point code forms.
The inventive method shown in the 1b with reference to the accompanying drawings, message sends and receives flow process, in the operation access process of destination signaling point data, because each Destination Point Code DPC number interrelates with corresponding network plane, can obtain office direction number, OPC Origination Point Code OPC etc. according to DPC and network identity symbol, can also add Sub-System Number SSN come to corresponding subsystem in addition inaccessible the reconciliation close; When in input parameter, containing CIC, also can obtain corresponding module No., office direction number and link No. etc.Like this for identical destination signaling point sign indicating number, can come corresponding one by one by disposing different office direction network identifiers with a plurality of signaling point codes of local terminal, viewpoint of measures from point of destination, local terminal is by the corresponding a plurality of signalling points of a plurality of signaling office directions, its processing procedure is that normal signaling message is handled, not because the actual physical location of a plurality of signaling point codes on same signalling point and change to some extent.But for local terminal, in the search procedure of data, need by signaling point code and network identifier realized correct transmission and processing to message with operation.
When sending a message to the opposite end for the upper-layer user, can be the GT sign indicating number in the destination address information that it provides, also can be DPC+SSN.At destination address is that the SCCP layer has been realized the translation to the GT sign indicating number under the GT sign indicating number situation, and its result returns corresponding office direction number, new destination address sign indicating number; The message flow of initiating for local terminal all will call database and obtain the current network identifier that should use that should destination address, and obtain by this network identifier then and send required office direction of message number and link No..
Because at present the addressing of address of all signalling points can use DPC+SSN and GT this dual mode addressing of encoding to summarize in the processing procedure of different customer service parts basically, so the transmitting-receiving process of message can be divided into four kinds of patterns:
Local terminal sends (addressing system is GT), local terminal receives (addressing system is GT), local terminal transmission (addressing system is DPC+SSN) and local terminal and receives (addressing system is DPC+SSN):
1. local terminal sends (addressing system is GT):
Referring to accompanying drawing 2, at first dispose the corresponding a plurality of signaling point codes of a plurality of network identifiers for local terminal, for certain specific purpose GT sign indicating number, use multiple signaling points to encode to realize when coupled at local terminal if desired, then configuration is a plurality of coupled in abutting connection with office direction in disposing the office direction data of this GT, the Destination Point Code of each office direction is identical, and each office direction is provided with a plurality of signaling point codes that different identifiers is distinguished local terminal.
When sending message, when the destination address of opposite end is this GT, by calling of database, principle Dynamic Selection according to sequentially choosing resources, with the current required identifier that returns in the all-network identifier of this GT correspondence, the local terminal GT coding of obtaining this network identifier correspondence then sends as the source address of message,, message is mail on this signaling link after obtaining the signaling link that sends the required carrying of message again by the translation of this GT being obtained the purpose signaling office direction that message sends at the SCCP layer.
2. local terminal sends (addressing system is DPC+SSN):
Referring to accompanying drawing 3, when addressing system is DPC+SSN,, in the office direction data configuration, also dispose a plurality ofly in abutting connection with office direction to certain specific DPC, the destination signaling point sign indicating number of each office direction is this DPC, and a plurality of different network identifiers are set simultaneously.
When sending message, also the while is according to the principle of polling, to same DPC, obtain its current required identifier, take out the Original Signaling Point sign indicating number of corresponding OPC according to this network identifier then, obtain simultaneously for DPC at configuration pairing signaling office direction of this network identifier and signaling link as message.
3. local terminal receives (addressing system is GT):
Referring to accompanying drawing 2, the office data configuration sends (addressing system is GT) unanimity with local terminal;
When the message that receives from far-end, with office direction and the network identifier that disposed of this office direction that obtains under the link of this message of carrying, when local terminal has the message loopback, utilize this network identifier to obtain the source address of the GT sign indicating number of local terminal as message, destination address is filled to the source address of the message of reception, then with message loopback on former office direction.
4. local terminal receives (addressing system is DPC+SSN):
Referring to accompanying drawing 3, the office data configuration sends (addressing system is DPC+SSN) unanimity with local terminal;
When the message that receives from far-end, with office direction and the network identifier that disposed of this office direction that obtains under the link of this message of carrying, when local terminal has the message loopback, utilize this network identifier to obtain the source address of the OPC of local terminal as message, destination address is filled to the source address of the message of reception, then with message loopback on former office direction.
In order to make the circuit number that satisfies carrying between two SP simultaneously surpass 16 above 4096 with signaling link, the present invention provides the multiple signaling points encoding function in the consolidated network deictic word, thereby solves the problem of foregoing circuit number and signaling link way deficiency effectively; Forming a plurality of office directions by the signaling relation between the different logic signalling points between two physics signalling points and depositing, thereby breaking through original restriction circuit number and signaling link way.For the demand of on the basis of same physics signalling point equipment, offering the different office direction of two consensus standards simultaneously, because a physics signalling point has comprised a plurality of logic signalling points, and the consensus standard of the employing of each logic signaling can dispose respectively, so the multi-protocol communication between the physics signalling point that the present invention realized can be handled the coexistence problems of these two kinds of agreements effectively.
Claims (3)
1. the implementation method of multiple signaling points multi-protocols is characterized in that, realizes that the step of described method is:
The first step, the configuration of signaling data
1) owning administration according to the physics signalling point of local terminal is provided with the virtual network network plane to number, all corresponding unique network identifier in each virtual net plane;
2) signaling point code of employing is set on each virtual net plane;
3) network identifier on communications protocol, signaling point code form and the virtual net plane, opposite end of application is set in the office direction data of opposite end office according to the configuring condition of this end office (EO);
4) owning administration of configuration local terminal signalling point to link group and link;
Second step, the handling process of user data
1) judges whether to light a message by the local terminal signaling; If local terminal sends, then in available local terminal virtual net plane, carry out Dynamic Selection, and determine corresponding network identifier, if local terminal receives, then obtain network identifier under it according to the link that receives opposite end message;
2) determine the module No. at the source address sign indicating number of message flow and destination address sign indicating number, office direction number, communications protocol, link No. and link place according to the described network identifier of message;
3) encode according to the protocol class on described virtual net plane;
4) user data behind the coding is finished on selected physical link and is sent and receive.
2. the implementation method of a kind of multiple signaling points multi-protocols according to claim 1 is characterized in that, in described second step, the addressing system of local terminal signalling point has following two kinds:
1) carries out addressing with global title;
2) carry out addressing with Destination Point Code+Sub-System Number.
3. the implementation method of a kind of multiple signaling points multi-protocols according to claim 1 is characterized in that, in the described first step, the signaling point code form on the network plane comprises 14 bit signaling point coded formats, 24 bit signaling point coded formats.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01112875 CN1258902C (en) | 2001-05-08 | 2001-05-08 | Multiple-signalling point and multiple-protocal method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 01112875 CN1258902C (en) | 2001-05-08 | 2001-05-08 | Multiple-signalling point and multiple-protocal method |
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| CN1384651A CN1384651A (en) | 2002-12-11 |
| CN1258902C true CN1258902C (en) | 2006-06-07 |
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| CN 01112875 Expired - Fee Related CN1258902C (en) | 2001-05-08 | 2001-05-08 | Multiple-signalling point and multiple-protocal method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1286342C (en) * | 2003-01-30 | 2006-11-22 | 华为技术有限公司 | Method for sharing base station between global mobile communication network and CDMA network |
| JP4956892B2 (en) * | 2003-10-31 | 2012-06-20 | 沖電気工業株式会社 | Service provision system |
| CN1897590B (en) * | 2005-07-15 | 2010-10-27 | 华为技术有限公司 | Message transmitting method and device based on DUA protocol |
| CN100396048C (en) * | 2005-08-03 | 2008-06-18 | 华为技术有限公司 | Network intercommunication method |
| CN1870764B (en) * | 2005-11-30 | 2010-08-25 | 华为技术有限公司 | Method and system for load sharing of signalling point |
| CN101222678B (en) * | 2008-01-24 | 2011-08-24 | 中兴通讯股份有限公司 | Ground circuit management method in multi-signaling point system |
| CN101553057B (en) * | 2008-04-03 | 2011-05-11 | 中兴通讯股份有限公司 | Method for enlarging bandwidth of base station controller (BSC) and mobile switch (MSC) No. seven signaling link |
| CN101605126B (en) * | 2008-06-11 | 2012-02-15 | 中国科学院计算技术研究所 | Method and system for classifying and recognizing a plurality of protocols |
| CN101505493A (en) * | 2009-03-20 | 2009-08-12 | 中兴通讯股份有限公司 | Method and apparatus for implementing signaling link fault processing under multiple signaling point configurations |
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Owner name: SHENZHENG CITY ZTE CO., LTD. Free format text: FORMER OWNER: SHENZHENG CITY ZTE CO., LTD. SHANGHAI SECOND INSTITUTE Effective date: 20030724 |
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