CN108880940A - A kind of signaling decoding adaptation method and system - Google Patents
A kind of signaling decoding adaptation method and system Download PDFInfo
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- CN108880940A CN108880940A CN201810680924.9A CN201810680924A CN108880940A CN 108880940 A CN108880940 A CN 108880940A CN 201810680924 A CN201810680924 A CN 201810680924A CN 108880940 A CN108880940 A CN 108880940A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0213—Standardised network management protocols, e.g. simple network management protocol [SNMP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
Abstract
The present invention provides a kind of signaling decoding adaptation method and systems, wherein a kind of signaling decoding adaptation method includes the following steps：Step 1）：Signaling receiving module is communicated by TCP connection with signal collecting module, receives the signaling data bag for the predetermined format sent from signal collecting module, and notifying link scanning analysis module carries out link analysis；Step 2）：The parameter that the link analysis module setting link is analyzed, parse the header information of the data packet of predetermined format, judge the Format Type of data packet, link analysis is carried out according to the link interpretive model of specified type, required link analysis information deposit database is made into the data source further developed, and unified Formatting Output module is notified to be formatted；Step 3）：The result that link is analyzed and corresponding signaling data are packaged processing by the unified formatting module, are sent to signaling decoding module by TCP connection.The present invention also provides a kind of systems, match above-mentioned method.
Description
Technical field
The invention belongs to electronic information fields, and in particular to a kind of signaling decoding adaptation method and system.
Background technique
The network optimization of mobile communications network is related to various aspects, through the network planning, engineering construction and day
Often in the work in every such as maintenance, needed in optimization process to network running quality analysis, network performance analysis, statistical data collection
Analysis, test data analysis and inspection of sorts of systems parameter etc..To comprehensive, the accuracy of data analysis in the network optimization
It is more demanding.A kind of new technique of the signalling analysis as the network optimization, by acquiring comprehensively, Accurate Analysis signaling is supervised
The operation of survey grid network, the actual mass and operation conditions of awareness network, lookup and orientation problem.
Current Signaling System Number 7 monitoring and some other signalling analysis system, generally use distributed collection, centralized processing
Tactic pattern causes to focus on signaling resolution and the handling machine generation severe bottleneck for being associated with synthesis.It is asked to solve bottleneck
Topic is synthesized using backstage signaling resolution and being associated with, and the shortcomings that this mode is that parsing, association results are non real-time（A few minutes just have
Analyze result）, and it is higher to the configuration requirement of background analysis server, cause whole system cost excessively high；The present invention uses
A kind of pretreatment strategy pre-processes signaling decoding analysis, mitigates signaling and concentrates the load of parsing and lower signalling analysis
Cost.Summary of the invention
In view of this, there is provided a kind of signaling decoding adaptation method and systems for the main object of the present invention.
The technical solution adopted by the present invention is：
A kind of signaling decoding adaptation method, includes the following steps：
Step 1）：Signaling receiving module is communicated by TCP connection with signal collecting module, is received and is sent out from signal collecting module
The signaling data bag of the predetermined format come, and notifying link scanning analysis module carries out link analysis；
Step 2）：The parameter that the link analysis module setting link is analyzed, parses the header information of the data packet of predetermined format,
The Format Type for judging data packet carries out link analysis according to the link interpretive model of specified type, required link is analyzed
Information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted；
Step 3）：The result that link is analyzed and corresponding signaling data are packaged processing by the unified formatting module, are led to
It crosses TCP connection and is sent to signaling decoding module.
Preferably, in step 2）In, the parameter of the link analysis includes the maximum duration of link analysis while can analyze
Maximum number of links, determine MTP user minimum value, determine HDLC interface type minimum value, determine SS7 or HDLC link
Minimum value, determine the minimum value of SCCP user.
Preferably, in step 1）In there are multiple identical or different signal collecting modules to provide signaling datas.
Preferably, in step 2）In, the parameter type and number of parameters analyzed by setting link are used for effective Quality Initiative
The process and scale of road analysis.
Preferably, in step 2）In, link analysis can carry out link to the signaling data of different signal collecting equipment
Analysis.
Preferably, in step 2）In, link analysis module carry out link analysis the step of it is as follows：
Step A）：The parameter of link analysis is set；
Step B）：According to the information of data packet header, link ID is filled in；
Step C）：Judge whether the link ID is new link ID；
Step D）：New link ID in this way, executes step G；
Step E）：If not being new link ID, searches corresponding analysis result and judge whether to have analyzed completion；
Step F）：Completion is such as analyzed, step M, no execution step H are executed；
Step G）：It is mapped to the link ID of a unsigned int type to link ID, saves the original link id information and reflects
The corresponding relationship of ID is penetrated, is handled convenient for link preanalysis；
Step H）：Preanalysis is carried out to link, obtain analysis result and updates preservation；
Step I）：Time-out is such as analyzed, write error log is reanalysed；
Step J）：Whether discriminatory analysis is completed；
Step K）：It is such as completed, executes step M；
Step L）：As unfinished, it waits and analyzing next time；
Step M）：Serial number is generated, and preanalysis result is converted into unified format and is sent to signaling decoding module.
The present invention also provides a kind of link analysis systems, including
Signal collecting module, signaling decoding adaptation module and signaling decoding module；
The signal collecting module is for acquiring signaling data and being sent to signaling decoding adaptation module according to scheduled format；
The signaling decoding adaptation module includes signaling receiving module, link analysis module and unified Formatting Output module；
The signaling receiving module transmits original signaling according to predetermined format by Transmission Control Protocol and multiple signal collecting modules；
The link analysis module is pre-processed to signaling decoding；
The unified formatting processing module completes the information after link parsing to link analysis module and carries out unified format analysis processing,
Signaling decoding module is sent data packets to by TCP connection；
The signaling decoding module is used to carry out link analysis according to the link interpretive model of specified type, by required link point
Analysis information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted.
Preferably, the data packet includes preprocessed data packet header and signaling data.
The present invention has following advantage：1. the analysis of signaling link, unified to format processing signaling data, signaling is improved
The decoded efficiency of business；2. the access of more than kinds of signal collecting module reduces the cost of signalling analysis, convenient for safeguarding；3. signaling
Parameter configuration in link analysis, effectively improves the efficiency of link parsing.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of link analysis method and system logic connection provided by the invention；
Fig. 2 is a kind of link analysis method and systematic difference logical connection provided by the invention.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
A kind of signaling decoding adaptation method, includes the following steps：
Step 1）：Signaling receiving module is communicated by TCP connection with signal collecting module, is received and is sent out from signal collecting module
The signaling data bag of the predetermined format come, and notifying link scanning analysis module carries out link analysis；
Step 2）：The parameter that the link analysis module setting link is analyzed, parses the header information of the data packet of predetermined format,
The Format Type for judging data packet carries out link analysis according to the link interpretive model of specified type, required link is analyzed
Information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted；
Step 3）：The result that link is analyzed and corresponding signaling data are packaged processing by the unified formatting module, are led to
It crosses TCP connection and is sent to signaling decoding module.
Preferably, in step 2）In, the parameter of the link analysis includes the maximum duration of link analysis while can analyze
Maximum number of links, determine MTP user minimum value, determine HDLC interface type minimum value, determine SS7 or HDLC link
Minimum value, determine the minimum value of SCCP user.
Preferably, in step 1）In there are multiple identical or different signal collecting modules to provide signaling datas.
Preferably, in step 2）In, the parameter type and number of parameters analyzed by setting link are used for effective Quality Initiative
The process and scale of road analysis.
Preferably, in step 2）In, link analysis can carry out link to the signaling data of different signal collecting equipment
Analysis.
Preferably, in step 2）In, link analysis module carry out link analysis the step of it is as follows：
Step A）：The parameter of link analysis is set；
Step B）：According to the information of data packet header, link ID is filled in；
Step C）：Judge whether the link ID is new link ID；
Step D）：New link ID in this way, executes step G；
Step E）：If not being new link ID, searches corresponding analysis result and judge whether to have analyzed completion；
Step F）：Completion is such as analyzed, step M, no execution step H are executed；
Step G）：It is mapped to the link ID of a unsigned int type to link ID, saves the original link id information and reflects
The corresponding relationship of ID is penetrated, is handled convenient for link preanalysis；
Step H）：Preanalysis is carried out to link, obtain analysis result and updates preservation；
Step I）：Time-out is such as analyzed, write error log is reanalysed；
Step J）：Whether discriminatory analysis is completed；
Step K）：It is such as completed, executes step M；
Step L）：As unfinished, it waits and analyzing next time；
Step M）：Serial number is generated, and preanalysis result is converted into unified format and is sent to signaling decoding module.
The present invention also provides a kind of link analysis systems, including
Signal collecting module, signaling decoding adaptation module and signaling decoding module；
The signal collecting module is for acquiring signaling data and being sent to signaling decoding adaptation module according to scheduled format；
The signaling decoding adaptation module includes signaling receiving module, link analysis module and unified Formatting Output module；
The signaling receiving module transmits original signaling according to predetermined format by Transmission Control Protocol and multiple signal collecting modules；
The link analysis module is pre-processed to signaling decoding；
The unified formatting processing module completes the information after link parsing to link analysis module and carries out unified format analysis processing,
Signaling decoding module is sent data packets to by TCP connection；
The signaling decoding module is used to carry out link analysis according to the link interpretive model of specified type, by required link point
Analysis information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted.
Preferably, the data packet includes preprocessed data packet header and signaling data.
Embodiment one
Referring to Fig.1, the present invention includes signal collecting module, signaling decoding adaptation module, signaling decoding module；Wherein：
Signal collecting module can be optical port or power port signal collecting equipment or other signal collecting equipment；
Signaling decoding adaptation module includes signaling receiving module, link analysis module, unified Formatting Output module；Wherein, believe
Receiving module is enabled to transmit original signaling according to predetermined format by Transmission Control Protocol and each acquisition module；Link analysis module is pair
Signaling decoding is pre-processed（Analyze the information of outgoing link）, the decoded efficiency of signaling traffic is improved, wherein link analysis module
The information for needing to analyze is as follows：
The two-layer protocol type of signaling link carrying（<SS7>MTP2,HDLC）；
The attribute of signaling link（At a high speed, low speed）；
For the size of the position bit of the signaling point code of SS7 signaling link（14,24）And the combination of SPC；
For SS7 signaling link, the agreement of MTP carrying is（TUP,ISUP,SCCP）；
If the agreement of MTP carrying is SCCP, analyze and determine that the agreement of SCCP carrying is BSSAP, BSAP, RANAP, ISUP,
TCAP, or the combination of ISUP and TCAP；
For HDLC signaling link, need to parse the interface type of outgoing link（Abis,PRA,Gb）；
Unified formatting processing module completes the information after link parsing to link analysis module and carries out unified format analysis processing, passes through
The data packet that TCP connection sends data packets to signaling decoding module includes preprocessed data packet header and signaling data；Pre- place
Have in reason data packet head：Link mark（Acquire device node number, port numbers：By taking optoelectronic integration acquires equipment as an example, table
Show the port numbers, TM-1 port numbers, STM-4 port numbers, subport number of E1：When only port numbers are STM-1, STM-4, this field has
Effect, timeslot number, subchannel number：When only link is the sublink of Nx8K, this field is effective）, the time（It is accurate to microsecond）, sequence
Number, agreement, link direction（Upstream or downstream）, link rate, the length of signaling point code position, signaling data length.
Embodiment two
On the basis of embodiment one, the chain that the pretreatment mechanism of signaling decoding adaptation module needs to analyze can be learnt
How road information, carry out analyzing these information, and the implementation case is as follows by the method for descriptive analysis：
1. SS7 and HDLC is detected
N number of FSN continuously wrapped is then continuously ss7, and it is discontinuously HDLC, N value is set by caller that endless Total continuity, which rejudges,
It is fixed.
2.SS7 high speed, low speed chain circuit judgement
It is unpacked by high-speed link, the N number of FSN continuously wrapped is continuously then high-speed link, N number of continuously to wrap by low speed chain circuit unpacking
FSN is continuously then low speed chain circuit, and N value is set by caller.
3. 14 site of SS7 link code, 24 sites code are distinguished
Determined according to SLT message, adequate condition：1) service fields H1H0 is 0x11 or 0x21;2) the SLT message of MTP3
TextLength+OtherLength is equal to packet length.It is 14 if meeting condition by 14 sites code, it is full by 24 sites code
Sufficient condition is then 24.
4.SS7 link SLC is identified
After identifying 14 determining, 24 sites code, the SLC code of the link can determine according to SLTM SLTA message.
5.SS7 both link ends SPC combination distinguishing
After identifying 14 determining, 24 sites code, determined according to SLTM SLTA message.
6.SS7 User Agreement differentiates
Judged according to SI, TUP 4, ISUP 5, SCCP 3.Determine that MTP user is TUP, ISUP, SCCP by N number of packet, goes back
It is any combination of this three, N value is set by caller.
The judgement of 7.SCCP protocol class
Judgment method is as shown below.Wherein, when judging BSSAP or BSAP, judged according to the second of DTAP message byte,
Second byte of GSM A be reserved word, value zero, and second byte of CDMA A be type of message.
The identification of 8.Abis link, pra link, Gb link
1）Continuous N packet can be correctly decoded with Q931 agreement to determine whether for pra link；
2）Continuous N packet can be correctly decoded with Abis agreement to determine whether for Abis link；
3）Continuous N packet can be correctly decoded with Gb agreement to determine whether for Gb link.
Wherein, N value is set by caller.
Embodiment three
Embodiment two describes the method for link analysis information parsing, the link analysis module in signaling decoding adaptation module
In show as link parsing function, then what how the process of the preprocessing module of signaling decoding adaptation module carried out, need
Illustratively：Link analysis module only handles the data received from signaling receiving module according to event type, link analysis module
Packet wouldn't process time packet, event package；
Step A）：The parameter of link analysis is set；
Step B）：According to the information of data packet header, link ID is filled in；
Step C）：Judge whether the link ID is new link ID；
Step D）：New link ID in this way, executes step G；
Step E）：If not being new link ID, searches corresponding analysis result and judge whether to have analyzed completion；
Step F）：Completion is such as analyzed, step M, no execution step H are executed；
Step G）：It is mapped to the link ID of a unsigned int type to link ID, saves the original link id information and reflects
The corresponding relationship of ID is penetrated, is handled convenient for link preanalysis；
Step H）：Preanalysis is carried out to link, obtain analysis result and updates preservation；
Step I）：Time-out is such as analyzed, write error log is reanalysed；
Step J）：Whether discriminatory analysis is completed；
Step K）：It is such as completed, executes step M；
Step L）：As unfinished, it waits and analyzing next time；
Step M）：Serial number is generated, and preanalysis result is converted into unified format and is sent to signaling decoding module.
Explanation：
1. serial number create-rule：Unified serial number is given by acquisition device node, serial number bit length is 64bits, since 0,
It is incremented by successively；And signaling message uniformly assigns serial number according to the sequence that its acquisition receives in number.
2. after the completion of pretreatment, link analysis module receives signaling decoding module according to the link ID of return, and deleting should
The corresponding analysis result information of link ID and the corresponding analysis node of analytic function.
Embodiment four
Above three case study on implementation describes the method and process of link analysis of the invention in detail, will enumerate this hair below
A bright monitoring signaling traffic load application, this application using snmp protocol management end and agent side model.Signaling decoding
Adaptation module is the agent side of SNMP, and Manager is external monitoring client, and agent side needs information to be offered to have：Acquire equipment class
Type, acquisition IP address of equipment, link sum, packet quantity, byte number, link in the statistics phase in the runtime in the runtime in the runtime
Packet quantity, byte number in the statistics phase in sum, statistics phase.Link analysis module needs will count these data, be stored in database
Or Agent module is directly committed to by internal communications interface, Agent sends information to Manager by snmp protocol, patrols
It is as shown in Figure 2 to collect connection.
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand
The principle of the embodiment of the present invention；At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (8)
1. a kind of signaling decoding adaptation method, which is characterized in that include the following steps：
Step 1）：Signaling receiving module is communicated by TCP connection with signal collecting module, is received and is sent out from signal collecting module
The signaling data bag of the predetermined format come, and notifying link scanning analysis module carries out link analysis；
Step 2）：The parameter that the link analysis module setting link is analyzed, parses the header information of the data packet of predetermined format,
The Format Type for judging data packet carries out link analysis according to the link interpretive model of specified type, required link is analyzed
Information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted；
Step 3）：The result that link is analyzed and corresponding signaling data are packaged processing by the unified formatting module, are led to
It crosses TCP connection and is sent to signaling decoding module.
2. signaling decoding adaptation method according to claim 1, which is characterized in that in step 2）In, the link analysis
Parameter include link analysis maximum duration, simultaneously analyzable maximum number of links, the minimum value for determining MTP user, determination
The minimum value of HDLC interface type, the minimum value for determining SS7 or HDLC link, the minimum value for determining SCCP user.
3. signaling decoding adaptation method according to claim 1, which is characterized in that in step 1）In have it is multiple identical or not
Same signal collecting module provides signaling data.
4. signaling decoding adaptation method according to claim 1 or 2, which is characterized in that in step 2）In, by the way that chain is arranged
The parameter type and number of parameters of road analysis, for effectively controlling the process and scale of link analysis.
5. signaling decoding adaptation method according to claim 1 or 2, which is characterized in that in step 2）In, link analysis can
Link analysis is carried out with the signaling data to different signal collecting equipment.
6. signaling decoding adaptation method according to claim 1 or 2, which is characterized in that in step 2）In, link analyzes mould
It is as follows that block carries out the step of link analysis：
Step A）：The parameter of link analysis is set；
Step B）：According to the information of data packet header, link ID is filled in；
Step C）：Judge whether the link ID is new link ID；
Step D）：New link ID in this way, executes step G；
Step E）：If not being new link ID, searches corresponding analysis result and judge whether to have analyzed completion；
Step F）：Completion is such as analyzed, step M, no execution step H are executed；
Step G）：It is mapped to the link ID of a unsigned int type to link ID, saves the original link id information and reflects
The corresponding relationship of ID is penetrated, is handled convenient for link preanalysis；
Step H）：Preanalysis is carried out to link, obtain analysis result and updates preservation；
Step I）：Time-out is such as analyzed, write error log is reanalysed；
Step J）：Whether discriminatory analysis is completed；
Step K）：It is such as completed, executes step M；
Step L）：As unfinished, it waits and analyzing next time；
Step M）：Serial number is generated, and preanalysis result is converted into unified format and is sent to signaling decoding module.
7. a kind of link analysis system, which is characterized in that including
Signal collecting module, signaling decoding adaptation module and signaling decoding module；
The signal collecting module is for acquiring signaling data and being sent to signaling decoding adaptation module according to scheduled format；
The signaling decoding adaptation module includes signaling receiving module, link analysis module and unified Formatting Output module；
The signaling receiving module transmits original signaling according to predetermined format by Transmission Control Protocol and multiple signal collecting modules；
The link analysis module is pre-processed to signaling decoding；
The unified formatting processing module completes the information after link parsing to link analysis module and carries out unified format analysis processing,
Signaling decoding module is sent data packets to by TCP connection；
The signaling decoding module is used to carry out link analysis according to the link interpretive model of specified type, by required link point
Analysis information deposit database makees the data source further developed, and unified Formatting Output module is notified to be formatted.
8. link analysis system according to claim 7, which is characterized in that the data packet includes preprocessed data packet header
Portion and signaling data.
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