CN101212754B - Mobile network transaction consolidation method in telecommunication field - Google Patents
Mobile network transaction consolidation method in telecommunication field Download PDFInfo
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Abstract
The invention relates to a mobile network transaction integrated method in the telecommunication field, which is characterized in that a plurality of mobile network signals collected from a monitored mobile network signal link are analyzed according to information of an OPC/a DPC/a caller, a GT/a receiver, a GT/a calling subsystem number, an SSN/a receiving subsystem number, an SSN/a calling transaction serial number, an OTID/a receiving transaction serial number DTID, etc. selected from the signals. Attributive signaling points of the signals are confirmed according to a PC code, a GT code and a subsystem number SSN; a transaction signal sequence is organized for an unsigned four-byte integer through a transaction serial number TID related with the signaling point; relevant information is selected when each signal reaches, corresponding transaction record is filled and processed correspondingly, and the signals belonging to the same mobile network transaction are integrated together, thus forming the transaction record finally. The mobile network transaction integrated method has the advantage that a transaction signal sequence buffer address where the signaling is stored can be found with relative high efficiency.
Description
Technical field
The present invention relates to a kind of method of field of telecommunications mobile network transaction consolidation, be particularly suitable for the Mobile Network Signaling analysis of magnanimity, and need the occasion of output mobile network transaction progress flow process in real time, belong to communication technical field.
Background technology
Mobile network transaction consolidation is very important problem in the monitoring of mobile Signaling System Number 7, thereby promptly forms mobile network transaction signaling sequence and mobile network transaction record by searching the signaling that belongs to same mobile network transaction and it being combined in magnanimity Mobile Network Signaling stream.The selection of mobile network transaction consolidation method directly has influence on all reliability and high efficiency of depending on the Signaling System Number 7 monitoring function of mobile network transaction record.
At present, the mobile network integration method mainly adopts the signaling triggering method that finishes, promptly in receiving the signaling flow process, if the signaling of receiving is not to finish signaling, then with its warehousing, if receive the end signaling, then according to this finish that the DPC/ of signaling is called, the called Sub-System Number of GT/, SSN/ called affairs sequence number DTID or OPC/ caller, GT/ caller Sub-System Number, SSN/ caller affairs sequence number OTID search all qualified signalings in the storehouse, it is conspired to create the affairs signaling process, and form transaction information.But under the signaling flow of magnanimity impacted, as 1000CAPS, all can trigger hundreds of thousands of times global librarys and search average each second, has a strong impact on the efficient that signaling is integrated.It is lower to cause separate unit to be responsible for the integration ability of server unit of signaling integrated operation, certainly will will increase the quantity of server unit in the Signaling System Number 7 monitoring system, thereby increase equipment investment, causes cost to raise.
In addition, adopt under the situation that finishes signaling triggering method, only when affairs finish, promptly receive the action that could trigger checking storehouse when finishing signaling and form transaction information, when affairs do not finish, can't obtain the information of these affairs, can't satisfy the real-time requirement of user transaction information.
Summary of the invention
The purpose of this invention is to provide a kind of in finishing signaling triggering method signaling integration efficiency height, the method for the field of telecommunications mobile network transaction consolidation that real-time is good.
For realizing above purpose, technical scheme of the present invention provides a kind of method of field of telecommunications mobile network transaction consolidation, it is characterized in that, its method is:
The first step, the hash table A of each signalling point of initialization and the hash table B of system;
Second step received signaling, judged its ownership signalling point according to the content in the signaling,
Wait receives signaling from outside signaling source, and handle one by one, then resolve extraction source signaling point code OPC, DPC DPC, caller GT, called GT, caller Sub-System Number OSSN, called Sub-System Number SSN, caller affairs sequence number OTID, called affairs sequence number DTID information after receiving a signaling according to the Signaling System Number 7 protocol specification
1) if of relevant two signalling points of signaling is the signalling point in monitoring range, another then is organized into signaling in the signaling sequence of signalling point in monitoring range not at monitoring range;
2) if relevant two signalling points of signaling all at monitoring range, differentiate the size of two signalling point PC sign indicating numbers during according to the called Sub-System Number SSN of signaling point code PC+ route, or differentiate the size of two signalling point GT during according to the GT route, signaling is organized in the PC sign indicating number the signaling sequence big or signalling point that the GT sign indicating number is big, and judge that according to the signaling that determines the ownership signalling point of signaling is caller or called, carry out signaling according to following rule then and deposit:
(A) if caller, and be judged as article one signaling of affairs, OTID retrieves in hash table A according to caller affairs sequence number, preserve in the specified data structure of the hashed value of signaling in hash table A, and the calling number in the extraction message, called number, destination number, insert in the transaction information table;
(B) if caller, but not article one signaling of affairs, the last item signaling that neither affairs, OTID retrieves in hash table A according to caller affairs sequence number, and preserves in the specified data structure of the hashed value of signaling in hash table A, if PC+SSN route, extract DPC and called Sub-System Number SSN, if the GT route extracts called GT and called affairs sequence number DTID and carries out Hash calculating, retrieve in hash table B according to result of calculation, the result of retrieval has two kinds:
If a) do not retrieve corresponding data under the hashed value among the hash table B, then preserve the corresponding hashed value among the hash table A in the specified data structure of the hashed value in hash table B, simultaneously in hash table A, in the specified data structure of caller affairs sequence number OTID hashed value, preserve the hashed value among the hash table B;
B) if retrieve corresponding data under the hashed value among the hash table B, illustrate that then Hash computation processes exists, do not need to recomputate;
(C) if caller, and be judged as the last item signaling of affairs, if signaling point code DPC and called Sub-System Number SSN route, extract DPC DPC and called Sub-System Number SSN, if GT route, extract called GT and called affairs sequence number DTID and carry out Hash calculating: DGT*7+DTID*29 is to 32768 deliverys, wherein * is a multiplication symbol, DGT is called GT, DTID is called affairs sequence number, result of calculation is exactly the array index at hash table B, in the chained list of this position of array, retrieve the memory location then, and according to the corresponding hashed value of the hash table A that preserves in the specified data structure of hash table B, signaling is filled among the hash table A, then transaction information is filled in and finished, and Transaction Information and signaling sequence are sent to storage server, delete all information relevant among hash table A and the B simultaneously with these affairs;
(D) if called, and be judged as article one signaling of affairs, if the PC+SSN route extracts OPC and caller Sub-System Number SSN, if GT route, extract caller GT and caller affairs sequence number OTID and carry out Hash calculating with the same method: OGT*7+OTID*29 is to 32768 deliverys, wherein * is a multiplication symbol, OGT is caller GT, OTID is caller affairs sequence numbers, result of calculation is exactly the array index at hash table B, in the chained list of this position of array, retrieve storage location then, preserve signaling with GT and OTID;
(E) if called, but not article one signaling of affairs, the last item signaling that neither affairs, if PC+SSN route, at first extract OPC and caller Sub-System Number SSN, if the GT route extracts caller GT and caller affairs sequence number OTID and carries out Hash calculating, retrieve in hash table B according to result of calculation, the result of retrieval has two kinds:
If E.1.1 do not retrieve the corresponding data under the hashed value among the hash table B, preserve signaling in then in the specified data structure of the hashed value in B hash table B;
If E.1.2 retrieve the corresponding data under the hashed value among the hash table B, illustrate that then Hash computation processes a) exists, does not need to recomputate;
After having retrieved hash table B, carry out Hash with the same method of called affairs sequence number DTID and calculate, result of calculation is retrieved in hash table A, and the result of retrieval has two kinds:
If E.2.1 do not retrieve the corresponding data under the hashed value among the hash table A, then preserve signaling in the specified data structure of the hashed value in A hash table A, and extraction relevant information, fill in corresponding transaction information, be kept at the hashed value that retrieves among the hash table B in addition, in the pairing data structure of hashed value that in hash table B, retrieves simultaneously, preserve the corresponding hashed value of hash table A;
If E.2.2 retrieve the corresponding data under the hashed value among the hash table A, then the explanation E.2.1) Hash computation processes exist, do not need to recomputate; If but E.2.1 the result for retrieval in B table was just now), then want the hashed value of preserving B in the A table, simultaneously the hashed value of preservation A in the B table;
(F) if called, and be judged as the last item signaling of affairs, extract called affairs sequence number DTID and carry out Hash calculating, retrieve in hash table A according to result of calculation, and according to the signaling of preserving in the specified data structure of the hashed value among the hash table A, obtain the initiation time and the concluding time of affairs according to flow of transactions, these information are inserted in the transaction information table in the lump, and Transaction Information and signaling sequence sent to storage server, delete all information relevant among hash table A and the B simultaneously with these affairs;
In the 3rd step, finish signaling process
Judge whether this signaling is to finish signaling, if finish signaling, illustrates that this affairs signaling sequence is complete, and transaction information and signaling sequence are sent to storage server, and signaling and Transaction Information in the relevant hash table of deletion;
In the 4th step, repeat second and finish until signaling process suddenly step by step.
The present invention a kind ofly analyzes for the magnanimity Mobile Network Signaling that collects from monitored Mobile Network Signaling link, information such as, GT/ caller Sub-System Number called according to the OPC/DPC/ caller, the GT/ that extract in the signaling, the called Sub-System Number of SSN/, SSN/ caller affairs sequence number, the called affairs sequence number of OTID/ DTID, the signaling that will belong to same mobile network transaction combines and finally forms the method for transaction journal.
The present invention determines the signalling point of signaling ownership according to PC sign indicating number, GT sign indicating number and Sub-System Number SSN, and by the relevant affairs sequence number TID of signalling point therewith, be that a no symbol nybble integer is organized the affairs signaling sequence, promptly extract its relevant information when every signaling arrives, filling correspondent transaction record also handles accordingly.If judge that at last what receive is to finish signaling then affairs signaling sequence buffer memory is emptied.
In same affairs signaling sequence, signaling is travelled to and fro between between two identical signalling points, characteristics according to the mobile network, the route of signaling is used two kinds of methods, GT route or PC+SSN route, and clear and definite sign arranged in signaling, if use GT to carry out signalling route, then point-to-point transmission all signalings are back and forth all carried out route according to called GT, and are same, if use the PC+SSN route, then point-to-point transmission all signalings are back and forth all carried out route by the called Sub-System Number SSN of DPC+, therefore, need only the relevant PC sign indicating number of signalling point of clearly monitoring, GT sign indicating number and Sub-System Number SSN just can determine the signalling point that signaling belongs to.
Advantage of the present invention be can find more efficiently signaling the affairs signaling sequence buffer address that should store.
Description of drawings
Fig. 1 is a kind of flow chart of method and technology scheme of field of telecommunications mobile network transaction consolidation;
Fig. 2 is the program flow diagram that a kind of method of field of telecommunications mobile network transaction consolidation is implemented.
Embodiment
Step, the invention will be further described below in conjunction with drawings and Examples.
Embodiment:
The hardware environment of program running is that telephone network call is integrated the existing equipment that uses: HP DL140 (PIII1.2G CPU, 512MB internal memory, 40G hard disk), the operating system of use is: RedHat Linux 8.0.Program is write with standard C.
As Fig. 1,2, be a kind of method scheme of field of telecommunications mobile network transaction consolidation and the program flow diagram of enforcement, the idiographic flow to this Signaling System Number 7 calling integration method elaborates below:
The first step, the initialization hash table
According to configuration data, for all known signalling points all distribute a hash table A, and these hash tables of initialization, because switch uses the TID value in the repeating query of processing transactions procedural order ground, therefore distribute data section size suitably, accomplish and can adapt with the switch transaction capabilities, simultaneously can save memory headroom again, we select 8192 as data segment, length based on the consideration of efficient.Defining each hash table A is HashList[8192].
Whole system has only a hash table B, so the content among the hash table B will be bigger several times than A, taking into account system performance and memory headroom two aspect under the situation of factor, we select 32768 as data segment, length.
Second step received signaling, and extract relevant information and determine its ownership signalling point,
Wait receives signaling from outside signaling source, and handle one by one, then resolve extraction source signaling point code OPC after receiving a signaling according to the Signaling System Number 7 protocol specification, DPC DPC, caller GT, called GT, caller Sub-System Number OSSN, called Sub-System Number SSN, caller affairs sequence number OTID, called affairs sequence number DTID information, and judge the ownership signalling point of signalings according to these signalings, if have only one to be signalling point in monitoring range in two signalling points in the signaling message, then signaling be organized in the signaling sequence of this known signalling point; If two signalling points are all at monitoring range, during according to signaling point code PC and called Sub-System Number SSN route, then differentiate the size of 2 signaling point code PC, during according to caller GT route, then differentiate the size of caller GT, signaling is organized in the signaling point code PC sign indicating number the signaling sequence big or signalling point that caller GT sign indicating number is big;
In the 3rd step, find the corresponding hash table of signaling position
Earlier judge the position of this message in flow of transactions according to the type field in the signaling message.Be summed up as three kinds of positions altogether: article one message, intermediary message, the last item message.If article one message, has only caller affairs sequence number OTID in the message, declare go to look into which hash table the transmit leg or the recipient that according to the home to return to signalling point are this signaling: if the DPC in the signaling message is the ownership signalling point, if signaling point code PC and called Sub-System Number SSN route, if then use extraction source signaling point code OPC and caller Sub-System Number OSSN or caller GT route, then carry out Hash and calculate, retrieve in hash table B according to result of calculation then with caller GT and caller affairs sequence number OTID; If extraction source signaling point code OPC then retrieves hash table A with caller affairs sequence number OTID for the ownership signalling point.The existing caller affairs of intermediary message sequence number OTID has called affairs sequence number DTID again, so hash table A and B can retrieve.Only contain called affairs sequence number DTID in the last item message, therefore also will be by being judged to the ownership of the retrieval work that transmit leg that the place signalling point is a signaling or recipient instruct next step.If the DPC in the signaling message is the ownership signalling point, in hash table A, retrieve the relevant memory location of signaling according to the value of called affairs sequence number DTID so.When extraction source signaling point code OPC is the ownership signalling point, if signaling point code PC and called Sub-System Number SSN route are according to DPC in the signaling message and called Sub-System Number SSN, if caller GT route is carried out Hash calculating according to called GT and called affairs sequence number OTID, retrieve in hash table B according to result of calculation then.When retrieving, between the corresponding contents of hash table A and B, perform related job according to the described rule of " summary of the invention " part with message.
In the 4th step, the storage signaling is extracted transaction information.
Signaling is deposited in the memory location of the call signaling sequence that in step 3, obtains.Extract the call information in this signaling simultaneously, carry out other processing, as put into call information and store and send, decide on concrete application by network.
Then empty signaling sequence as end of calling.
Judge whether signaling is the end of calling signaling, if, illustrate that this call signaling sequence is complete, its warehousing or make other self-defining operation, empty the call signaling sequence then.If not the end of calling signaling, then do not do any operation.
Repeating step 2 is handled bar signaling down.
Describe said process in detail with case below, as shown in Figure 3,
This flow process is the TDR flow process that signalling point OBOD1E initiates to signalling point OBOC15, and flow process is sent end by OBOC15 at last and finished this TDR flow process.These two signalling points all are the known monitoring points in the monitoring range.The SSN of signalling point OBOD1E is 6, and the SSN of signalling point OBOC15 is 8.0x among the figure represents that numerical value thereafter is the hexadecimal format value.
Signalling point OBOC15 in this example and signalling point OBOD1E are known monitoring points, and therefore being respectively them has distributed hash table A.Signaling message among the figure all is according to the PC+SSN route, because the encoding ratio signalling point OBOC15's of signalling point OBOD1E is big, therefore the signaling message of receiving all is organized in the signaling series of signalling point OBOD1E.
Therefore OPC in the routine in article one message is the ownership signalling point, carries out Hash with the value 0x01003170 of OT_ID and calculates hash value, iHashIndex=0x01003170%8192=4462.Because signalling point OBOD1E is the ownership signalling point, so be that this TDR signaling series is distributed a memory space in the hash table A of signalling point OBOD1E.Therefore having obtained the hash index value of hash table, in fact is exactly at HashList[4462] chained list in the node of a new signaling series of increase.Analyze article one signaling message simultaneously, obtain TDR information such as calling number, called number and a call time.
Article one, the DPC of intermediary message is the ownership signalling point, therefore we are that 0x01003170 calculates the hash value with its DT_ID, the same, obtain iHashIndex=4462, then at HashList[4462] chained list in retrieve the signaling series node of sub-distribution with the 0x01003170 value.Signaling message is filled in the signaling series, extracts TDR information such as response time then.
The OPC of second intermediary message is the ownership signalling point, and the value with OT_ID finds the signaling series node that has distributed in hash table A so.Signaling message is filled in the signaling series.
The DPC of end is the ownership signalling point, therefore retrieves the signaling series node of distribution in hash table A with DT_ID, and signaling message is filled in the signaling series, extracts TDR information such as concluding time.Because end is the signaling message of the last item TDR, so the integration work of this TDR is all over, and a series of signaling messages in this signaling series uploaded to memory cell, and then upload the TDR information of integrating out.Empty this signaling series node at last, node is come off from chained list, discharge the memory space that distributes.
Claims (1)
1. the method for a field of telecommunications mobile network transaction consolidation is characterized in that, its method is:
The first step, the hash table A of each signalling point of initialization and the hash table B of system;
Second step received signaling, judged its ownership signalling point according to the content in the signaling,
Wait receives signaling from outside signaling source, and handle one by one, then resolve extraction source signaling point code OPC, DPC DPC, caller GT, called GT, caller Sub-System Number OSSN, called Sub-System Number SSN, caller affairs sequence number OTID, called affairs sequence number DTID information after receiving a signaling according to the Signaling System Number 7 protocol specification
1) if of relevant two signalling points of signaling is the signalling point in monitoring range, another then is organized into signaling in the signaling sequence of signalling point in monitoring range not at monitoring range;
2) if relevant two signalling points of signaling all at monitoring range, differentiate the size of two signalling point PC sign indicating numbers during according to the called Sub-System Number SSN of signaling point code PC+ route, or differentiate the size of two signalling point GT during according to the GT route, signaling is organized in the PC sign indicating number the signaling sequence big or signalling point that the GT sign indicating number is big, and judge that according to the signaling that determines the ownership signalling point of signaling is caller or called, carry out signaling according to following rule then and deposit:
(A) if caller, and be judged as article one signaling of affairs, OTID retrieves in hash table A according to caller affairs sequence number, preserve in the specified data structure of the hashed value of signaling in hash table A, and the calling number in the extraction message, called number, destination number, insert in the transaction information table;
(B) if caller, but not article one signaling of affairs, the last item signaling that neither affairs, OTID retrieves in hash table A according to caller affairs sequence number, and preserves in the specified data structure of the hashed value of signaling in hash table A, if PC+SSN route, extract DPC and called Sub-System Number SSN, if the GT route extracts called GT and called affairs sequence number DTID and carries out Hash calculating, retrieve in hash table B according to result of calculation, the result of retrieval has two kinds:
If a) do not retrieve corresponding data under the hashed value among the hash table B, then preserve the corresponding hashed value among the hash table A in the specified data structure of the hashed value in hash table B, simultaneously in hash table A, in the specified data structure of caller affairs sequence number OTID hashed value, preserve the hashed value among the hash table B;
B) if retrieve corresponding data under the hashed value among the hash table B, illustrate that then Hash computation processes exists, do not need to recomputate;
(C) if caller, and be judged as the last item signaling of affairs, if signaling point code DPC and called Sub-System Number SSN route, extract DPC DPC and called Sub-System Number SSN, if GT route, extract called GT and called affairs sequence number DTID and carry out Hash calculating: DGT*7+DTID*29 is to 32768 deliverys, wherein * is a multiplication symbol, DGT is called GT, DTID is called affairs sequence number, result of calculation is exactly the array index at hash table B, in the chained list of this position of array, retrieve the memory location then, and according to the corresponding hashed value of the hash table A that preserves in the specified data structure of the hashed value among the hash table B, signaling is filled among the hash table A, then transaction information is filled in and finished, and Transaction Information and signaling sequence are sent to storage server, delete all information relevant among hash table A and the B simultaneously with these affairs;
(D) if called, and be judged as article one signaling of affairs, if the PC+SSN route extracts OPC and caller Sub-System Number SSN, if GT route, extract caller GT and caller affairs sequence number OTID and carry out Hash calculating with the same method: OGT*7+OTID*29 is to 32768 deliverys, wherein * is a multiplication symbol, OGT is caller GT, OTID is caller affairs sequence numbers, result of calculation is exactly the array index at hash table B, in the chained list of this position of array, retrieve storage location then, preserve signaling with GT and OTID;
(E) if called, but not article one signaling of affairs, the last item signaling that neither affairs, if PC+SSN route, at first extract OPC and caller Sub-System Number SSN, if the GT route extracts caller GT and caller affairs sequence number OTID and carries out Hash calculating, retrieve in hash table B according to result of calculation, the result of retrieval has two kinds:
If E.1.1 do not retrieve the corresponding data under the hashed value among the hash table B, then preserve signaling in the specified data structure of the hashed value in hash table B;
If E.1.2 retrieve the corresponding data under the hashed value among the hash table B, illustrate that then Hash computation processes a) exists, does not need to recomputate;
After having retrieved hash table B, carry out Hash with the same method of called affairs sequence number DTID and calculate, result of calculation is retrieved in hash table A, and the result of retrieval has two kinds:
If E.2.1 do not retrieve the corresponding data under the hashed value among the hash table A, then preserve signaling in the specified data structure of the hashed value in hash table A, and extraction relevant information, fill in corresponding transaction information, be kept at the hashed value that retrieves among the hash table B in addition, in the pairing data structure of hashed value that in hash table B, retrieves simultaneously, preserve the corresponding hashed value of hash table A;
If E.2.2 retrieve the corresponding data under the hashed value among the hash table A, then the explanation E.2.1) Hash computation processes exist, do not need to recomputate; If but E.2.1 the result for retrieval in B table was just now), then want the hashed value of preserving B in the A table, simultaneously the hashed value of preservation A in the B table;
(F) if called, and be judged as the last item signaling of affairs, extract called affairs sequence number DTID and carry out Hash calculating, retrieve in hash table A according to result of calculation, and according to the signaling of preserving in the specified data structure of the hashed value among the hash table A, obtain the initiation time and the concluding time of affairs according to flow of transactions, these information are inserted in the transaction information table in the lump, and Transaction Information and signaling sequence sent to storage server, delete all information relevant among hash table A and the B simultaneously with these affairs;
In the 3rd step, finish signaling process
Judge whether this signaling is to finish signaling, if finish signaling, illustrates that this affairs signaling sequence is complete, and transaction information and signaling sequence are sent to storage server, and signaling and Transaction Information in the relevant hash table of deletion;
In the 4th step, repeat second and finish until signaling process suddenly step by step.
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| US5838782A (en) * | 1996-05-24 | 1998-11-17 | Ericsson, Inc. | System for converting a routing address within a telecommunications network |
| CN1148930C (en) * | 2000-03-30 | 2004-05-05 | 上海贝尔有限公司 | Method for implementing message shielding linkage control part of No.7 signaling system |
| CN1268140C (en) * | 1999-12-07 | 2006-08-02 | 艾利森电话股份有限公司 | Integrating signaling system number 7 (SS7) networks with networks using multi-protocol label switching (MPLS) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5838782A (en) * | 1996-05-24 | 1998-11-17 | Ericsson, Inc. | System for converting a routing address within a telecommunications network |
| CN1268140C (en) * | 1999-12-07 | 2006-08-02 | 艾利森电话股份有限公司 | Integrating signaling system number 7 (SS7) networks with networks using multi-protocol label switching (MPLS) |
| CN1148930C (en) * | 2000-03-30 | 2004-05-05 | 上海贝尔有限公司 | Method for implementing message shielding linkage control part of No.7 signaling system |
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