CN103607329B - A kind of IMS network any end-to-end media QoS monitoring methods and system - Google Patents
A kind of IMS network any end-to-end media QoS monitoring methods and system Download PDFInfo
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- CN103607329B CN103607329B CN201310646782.1A CN201310646782A CN103607329B CN 103607329 B CN103607329 B CN 103607329B CN 201310646782 A CN201310646782 A CN 201310646782A CN 103607329 B CN103607329 B CN 103607329B
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Abstract
The invention discloses a kind of IMS network any end-to-end media QoS monitoring methods and system, the system includes：Data collection layer module, for gathering signaling and media RTP/RTCP data in IMS network and IP dedicated bearer nets；Data analysis layer module, signaling and media RTP/RTCP data for being collected to data collection layer module are associated, and store qos parameter data；Application layer module, for self-defined QoS analysis rules, inquires about the qos parameter data that the data analysis layer module is stored according to the QoS analysis rules, forms analytical statement and presented.Pass through the present invention, solve the problem of whole end-to-end media QoS of IP bearer networks is analyzed, solve the problems, such as to analyze influence of the different media characteristics to media QoS simultaneously, it is not only restricted to the originating terminal of certain operation flow and terminates the monitoring at end, can more fine granularity, monitor that IP bearer networks are whole, any media QoS end to end for greater flexibility.
Description
Technical field
The present invention relates to communications network monitors field, any end-to-end media QoS monitoring sides of more particularly to a kind of IMS network
Method and system.
Background technology
In order to which the present invention is more clearly understood, some terms that may be used in this specification are uniformly provided first：
IMS:IP Multimedia Subsystem IP multimedia subsystem
QoS:Quality of Service service quality
VoIP:Voice over IP Vo IPs are conversed
P/I/S-CSCF:The conversation controller of IMS network
MGC:Media Gateway Controller Media Gateway Controllers
MGW:Media Gate Way WMGs
RTP:Real-time Transport Protocol RTPs
RTCP：Real-time Transport Control Protocol RTCP Real-time Transport Control Protocols
AR:Access router couple in routers
BR:Backbone router P
CR：Core router core routers
Latency：Time delay
Jitter：Shake
PacketLoss:Packet loss
MOS:The average opinion values of Mean Opinion Score
Into after high-speed mobile Internet era, due to the increase of data traffic, the operator face of traditional " pipeline " is used as
Face by the risk of market marginalisation.The appearance of IMS network technology, is that the brand-new Network that provides of operator is put down
Platform, can make operator provide abundant multimedia service, so as to from " pipeline " provider, change to " service " provider.
The transmission mode of Internet IP networks intrinsic " doing one's best ", it is impossible to meet operator and provide high-quality many
The requirement of media data transmission service.Therefore, operator, which constructs, can carry out the IP dedicated bearer nets of effective QoS quality controls,
For carrying and transmitting the multi-medium data that the business platform based on IMS network and other type networks is provided, such as VoIP, system
One Centrex, multimedia conferencing, VIP user services etc..
IMS network is divided into service plane, control plane and transport plane, and wherein control platform includes P/I/S-CSCF clothes
Business device, MGC media control servers, for connecting traffic signaling, and media negotiation, select the media coding class of this business
Type, transmission rate, the parameter such as QoS grades；Transport plane includes MGW multimedia gateways, by MGC controls, for accessing and controlling
RTP/RTCP media datas processed are to IP bearer networks.
IP dedicated bearer nets are divided into three-tier architecture, and the Access Layer that first layer is made up of AR equipment is deployed in prefectures and cities' machine
Room, the MGW multimedia gateways of IMS network access IP bearer networks in this layer；The convergence-level that the second layer is made up of BR equipment, one
As be deployed in each provincial capital down town computer room, the RTP/RTCP media datas of the AR Access Layers of each province are converged in this layer；3rd
The core layer that layer is made up of CR equipment, is generally deployed in the key cities such as Beijing, Shanghai, Guangzhou, BR layers of data transfer is arrived
Core layer is controlled and routing forwarding.The AR of each layer, BR, CR equipment cross one another connection, RTP/RTCP data in route,
According to optimal and optimal quality the suitable route of principle selection in path.IMS network accesses the network topology of IP dedicated bearer nets
Figure is as shown in Figure 1.
IMS network to the media QoS control effects of IP bearer networks how, in whole IP bearer networks routing procedure, IP network
To the transmission qualities of RTP/RTCP Media Streams how, it is necessary to a whole set of monitoring method and monitoring system, carry out it is accurate, efficiently
Multimedia QoS is monitored end to end.
IMS network end-to-end QoS monitoring method, mainly have actively and passively monitor two kinds, actively monitoring using actively to
Network originated traffic process, the method for gathering simultaneously analyze data.Business is not initiated in passive monitoring, only the number in passive collection network
According to.
Existing passive monitoring method, mainly the gateway of prefectures and cities gathers signaling and media RTP/RTCP numbers in a network
According to, i.e. the MGW multimedia gateways collection of the IMS sides of the main AR Access Layers in IP bearer networks, collection monitoring method such as Fig. 2
It is shown.When business procedure occurs for user, the signaling that two districts and cities are netted is associated with media data, using two ends gateway as dimension
Degree, calculates two ends RTP/RTCP qos parameter, including Latency, PacketLoss, Jitter, and MOS value respectively, so that
The media QoS end to end between two districts and cities users is obtained, operator is according to the problem of QoS report check IP bearer networks.
Existing IMS network media QoS monitoring methods can realize districts and cities' gateway to the end-to-end QoS prison between gateway
Survey, it is possible to achieve traffic signaling is associated with Media Stream RTP/RTCP's.
The monitoring methods of QoS end to end this first, which do not have, really realizes the whole end-to-end of IP bearer networks,
In IP bearer networks, Media Stream is from will may be through MGW WMGs of the MGW WMGs of a districts and cities to another districts and cities
Cross multiple IP routing forwardings, including multiple AR, BR and CR.The transmission of Media Stream has been divided into multiple route segments, mesh by these routes
Preceding monitoring method can only monitor the QoS of the originating terminal of an operation flow and terminate the QoS at end, ignore in IP bearer networks
The monitoring of portion's routing node, it is impossible to monitor that each route segment transmits the influence situation to QoS, so as to can not be accurately positioned in network
The quality problems of each route segment media flow transmission.
Secondly, traffic signaling and media RTP/RTCP simple association, be merely able to navigate to be which time business media
QoS problems, in depth do not make detailed association analysis, without one to type of service, business hours, media coding type etc.
Planting effective method neatly can be associated with the media characteristic of subdivision in end-to-end media QoS analyses, so as to can not analyze
Different media characteristics influences on end-to-end media QoS.
The content of the invention
In view of problems of the prior art, present invention aims at provide a kind of IMS network any end-to-end media
QoS monitoring methods and system, so that the problem of whole end-to-end media QoS of IP bearer networks is analyzed is solved, while solving analysis not
Influence problem with media characteristic to media QoS, is not only restricted to the originating terminal of certain operation flow and terminates the monitoring at end, can
More fine granularity, monitors IP bearer networks whole process, any media QoS end to end for greater flexibility.
According to an aspect of the invention, there is provided a kind of any end-to-end media QoS monitoring systems of IMS network, it is special
Levy and be, the system includes：
Data collection layer module, for using distributed acquisition method, in IMS key-courses, couple in router Access Layer, bone
Dry router convergence-level, core router core layer difference on-premise network data gather computer, in IMS network and IP dedicated bearer nets
Middle collection signaling and media RTP/RTCP data；
Data analysis layer module, signaling and media RTP/RTCP data for being collected to data collection layer module are carried out
Association, and store qos parameter data；
Application layer module, for self-defined QoS analysis rules, the data analysis is inquired about according to the QoS analysis rules
The qos parameter data of layer module storage, form analytical statement and are presented.
It is preferred that, the media QoS monitoring systems use distributed acquisition method, in IMS key-courses, AR Access Layers, BR
Convergence-level, CR core layers difference on-premise network data gather computer.
It is preferred that, the harvester of each layer is pre-processed to the data collected, parses initial data, extracts data institute band
Each business key message, be respectively synthesized following information unit：
Signaling data pretreatment generation Signal Key Record (SKR), including business hours, media IP, media
PORT, type of service；
Media data pretreatment generation RTP Key Record (RKR), including media time, media IP, media PORT, matchmaker
Body type of coding, medium type, route IP, while calculate the media qos parameter PacketLoss of each business, Latency,
Jitter、MOS。
It is preferred that, the SKR and RKR that pre-process generation are sent to number by the harvester in the form of arranging byte data bag
According to analysis layer module, send and carried out using Socket or FTP technologies.
It is preferred that, discard processing is made to pretreated initial data.
It is preferred that, in data analysis layer module, SKR and RKR carry out associating for signaling record and media recording first,
There is identical time, and identical media IP and media PORT with a business, it is regular by the SKR between each route according to this
It is associated together, this time the signaling of business will be associated together with corresponding media data, generation associated record with RKR；With
Business hours, media IP, media PORT, route IP, type of service, medium type, media coding type are dimension, count these
Media qos parameter under dimension, i.e., using PacketLoss, Latency, Jitter, MOS as index, the minimum media QoS systems of generation
Count unit Minimum Statistics element (MSE).
According to another aspect of the present invention there is provided a kind of any end-to-end media QoS monitoring methods of IMS network, it is special
Levy and be, methods described includes step：
Signaling and media RTP/RTCP data are gathered in IMS network and IP dedicated bearer nets；
The signaling and media RTP/RTCP data collected is associated, and stores qos parameter data；
According to user-defined QoS analysis rules, the qos parameter data of storage are inquired about, analytical statement is formed and carries out
Present.
It is preferred that, using distributed acquisition method, in IMS key-courses, AR Access Layers, BR convergence-levels, CR core layers difference
On-premise network data gather computer carries out the collection of signaling and media RTP/RTCP data.
It is preferred that, the harvester of each layer is pre-processed to the data collected, parses initial data, extracts data institute band
Each business key message, be respectively synthesized following information unit：
Signaling data pretreatment generation Signal Key Record (SKR), including business hours, media IP, media
PORT, type of service；
Media data pretreatment generation RTP Key Record (RKR), including media time, media IP, media PORT, matchmaker
Body type of coding, medium type, route IP, while calculate the media qos parameter PacketLoss of each business, Latency,
Jitter、MOS。
It is preferred that, the SKR and RKR that pre-process generation are sent to number by the harvester in the form of arranging byte data bag
According to analysis layer module, send and carried out using Socket or FTP technologies.
It is preferred that, discard processing is made to pretreated initial data.
It is preferred that, the SKR and RKR carry out signaling record and associated with media recording first, and business has phase together
Same time, and identical media IP and media PORT, the SKR and RKR between each route are associated together according to this rule,
This time the signaling of business it will be associated together with corresponding media data, generation associated record；With the business hours, media IP,
Media PORT, route IP, type of service, medium type, media coding type are dimension, count the media QoS under these dimensions
Parameter, i.e., using PacketLoss, Latency, Jitter, MOS as index, the minimum media qos statistic unit Minimum of generation
Statistics element(MSE)。
Brief description of the drawings
Fig. 1 accesses the network topological diagram of IP dedicated bearer nets exemplified with IMS network；
Fig. 2 is exemplified with prior art IMS acquisition of media monitoring method schematic diagrames；
Fig. 3 is exemplified with a kind of any end-to-end media QoS monitoring system schematic diagrames of IMS network of the embodiment of the present invention；
Fig. 4 carries out the topological schematic diagram of data acquisition exemplified with media QoS of embodiment of the present invention monitoring systems；
Fig. 5 is exemplified with minimum media qos statistic unit Minimum Statistics of embodiment of the present invention element
(MSE) data structure schematic diagram.
Embodiment
To make the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is further detailed explanation for formula.
Fig. 3 is exemplified with a kind of any end-to-end media QoS monitoring system schematic diagrames of IMS network of the embodiment of the present invention, such as Fig. 3
Shown, the system includes：
Data collection layer module, for using distributed acquisition method, in IMS key-courses, couple in router Access Layer, bone
Dry router convergence-level, core router core layer difference on-premise network data gather computer, in IMS network and IP dedicated bearer nets
Middle collection signaling and media RTP/RTCP data；
Data analysis layer module, signaling and media RTP/RTCP data for being collected to data collection layer module are carried out
Association, and store qos parameter data；
Application layer module, for self-defined QoS analysis rules, the data analysis is inquired about according to the QoS analysis rules
The qos parameter data of layer module storage, form analytical statement and are presented.
In data collection layer module, monitoring system uses distributed acquisition method, is converged in IMS key-courses, AR Access Layers, BR
H.248 poly layer, CR core layers difference on-premise network data gather computer, gather the SIP of IMS key-courses, Diameter, the control letter such as
Order, gathers the media RTP/RTCP data of each layer of AR, BR, CR.The network topological diagram of collection is as shown in Figure 4.The portion of each harvester
Arranging method, develops programs according to the deployment scenario of actual collected equipment, substantially by districts and cities' computer room, provincial capital's computer room, key city
Computer room three-decker is gathered, and equipment can be closed and set in same computer room, harvester.
To avoid collecting after data, when being converged to data analysis layer, data traffic is excessive, and the harvester of each layer is to collection
To data pre-processed, parse initial data, extract the key message of each business of data institutes band, be respectively synthesized following
Information unit：
Signaling data pretreatment generation Signal Key Record (SKR), including business hours, media IP, media
PORT, type of service；
Media data pretreatment generation RTP Key Record (RKR), including media time, media IP, media PORT, matchmaker
Body type of coding, medium type, route IP, while calculate the media qos parameter PacketLoss of each business, Latency,
Jitter、MOS。
The SKR and RKR that pre-process generation are sent to data analysis layer mould by harvester in the form of arranging byte data bag
Block, sends and uses Socket or FTP technologies, it is ensured that the real-time and accuracy of data transfer.Pretreated initial data is made
Discard processing.
In data analysis layer module, SKR and RKR carry out associating for signaling record and media recording first.With a business
With identical time, and identical media IP and media PORT, the SKR between each route is associated with RKR according to this rule
Together, this time the signaling of business it will be associated together with corresponding media data, generation associated record.Wrapped in associated record
Include the business hours, media IP, media PORT, route IP, type of service, medium type, media coding type, PacketLoss,
Latency、Jitter、MOS.Finally with business hours, media IP, media PORT, route IP, type of service, medium type, matchmaker
Body type of coding be dimension, count the media qos parameter under these dimensions, i.e., with PacketLoss, Latency, Jitter,
MOS is index, generation minimum media qos statistic unit Minimum Statistics element (MSE), and data structure is as schemed
Shown in 5.
It is stored in after the generation of MSE data in database, as minimum qos statistic unit, waits the end of application layer module
To end gauage, then library module configures and issues different dimensions and the statistical rules of index.
There is provided the config option of end-to-end QoS in end-to-end regular library module, including route IP, the time, media IP,
Media PORT and all MSE dimension.User is only needed in the end-to-end scope of monitoring, is selected or is filled in and be of interest
QoS dimension values, after the completion of, regular library module issues DB database module of the statistical rules to data analysis layer end to end.DB
Database module goes out QoS results end to end according to rule-statistical, generates form, and module is presented in the form for being sent to monitoring system
Shown.
End-to-end regular library module supports the preset multigroup statistical rules end to end of user, can also be combined at any time existing
It is regular.User is without being concerned about detailed problem end to end, it is only necessary to simply enter what is monitored in regular configuration interface
End-to-end dimension, such as user need to monitor AR1->BR3->CR1->BR6->AR7 end-to-end QoS, then can directly input
Related AR1, BR3, CR1, BR6, AR7 IP address of equipment is into the route IP of dimension, while it is also an option that the input prison of property
The media characteristic of survey, such as type of service are fax, and type of coding is the G.711 input dimension of rule base Automatic Combined user, under
It is dealt into MSE databases, database is counted between each section of route respectively according to dimension rule, for fax and G.711 matchmaker
The QoS of body characteristicses, constitutes the whole end-to-end media QoS from AR1 to AR7.
By the system of the present invention, user can any end-to-end routing device of IP bearer networks in any combination prison
Gauge then, can also be combined media characteristic, so that the IP bearer networks monitored under whole IMS network control arbitrarily route it
Between, the QoS changes of any media characteristic so more can intuitively judge that the QoS of which section route is decreased obviously, which
Plant media characteristic and large effect is produced to QoS, so as to quick, flexibly, end-to-end QoS problem is positioned exactly.
The present invention is described from the angle of system above, it will be understood by those skilled in the art that the side that the system is performed
Method flow, is the embodiment of the method for the present invention, and its ins and outs completely, is not repeated herein from said system embodiment
Repeat.
Above is the detailed description that the preferred embodiments of the present invention are carried out, but one of ordinary skill in the art should anticipate
Know, within the scope of the present invention, and guided by the spirit, it is various improve, addition and to replace all be possible, such as using can be real
Show the algorithm of functional purpose of the same race, use different programming languages (such as C, C++, Java) to realize etc..These are all in the present invention
The protection domain that is limited of claim in.
Claims (6)
1. any end-to-end media QoS monitoring systems of a kind of IMS network, it is characterised in that the system includes：
Data collection layer module, for using distributed acquisition method, on IMS key-courses, couple in router Access Layer, key road
By device convergence-level, core router core layer difference on-premise network data gather computer, adopted in IMS network and IP dedicated bearer nets
Collect signaling and media RTP/RTCP data；
The harvester of each layer is pre-processed to the data collected, parses initial data, extracts each business of data institute band
Key message, be respectively synthesized following information unit：
Signaling data pretreatment generation signal key record (SKR), including business hours, media IP, media PORT, service class
Type；
Media data pretreatment generation RTP key record (RKR), including media time, media IP, media PORT,
Media coding type, medium type, route IP, while calculate the media qos parameter packet loss PacketLoss of each business,
Time delay Latency, shake Jitter, average opinion value MOS；
Data analysis layer module, signaling and media RTP/RTCP data for being collected to data collection layer module are closed
Connection, and store qos parameter data；In data analysis layer module, SKR and RKR carry out signaling record and media recording first
Association, there is identical time, and identical media IP and media PORT with a business, according to this rule by each route
Between SKR and RKR be associated together, this time the signaling of business will be associated together with corresponding media data, generation is associated
Record；Using business hours, media IP, media PORT, route IP, type of service, medium type, media coding type as dimension,
The media qos parameter under these dimensions is counted, i.e., using PacketLoss, Latency, Jitter, MOS as index, generation is minimum
Media qos statistic unit Minimum Statistics element (MSE)；It is stored in database, makees after the generation of MSE data
For minimum qos statistic unit, the end-to-end regular library module of application layer module is waited to configure and issue different dimensions and index
Statistical rules；There is provided the config option of end-to-end QoS in end-to-end rule base, including route IP；
Application layer module, for self-defined QoS analysis rules, the data analysis layer mould is inquired about according to the QoS analysis rules
The qos parameter data of block storage, form analytical statement and are presented.
2. the system as claimed in claim 1, it is characterised in that：
The SKR and RKR that pre-process generation are sent to data analysis layer mould by the harvester in the form of arranging byte data bag
Block, is sent and is carried out using Socket or FTP technologies.
3. the system as claimed in claim 1, it is characterised in that：
Discard processing is made to pretreated initial data.
4. any end-to-end media QoS monitoring methods of a kind of IMS network, it is characterised in that methods described includes step：Using point
Cloth acquisition method, is carried out in IMS key-courses, AR Access Layers, BR convergence-levels, CR core layers difference on-premise network data gather computer
The collection of signaling and media RTP/RTCP data；
Signaling and media RTP/RTCP data are gathered in IMS network and IP dedicated bearer nets；
The harvester of each layer is pre-processed to the data collected, parses initial data, extracts each business of data institute band
Key message, be respectively synthesized following information unit：
Signaling data pretreatment generation Signal Key Record (SKR), including business hours, media IP, media PORT, industry
Service type；
Media data pretreatment generation RTP Key Record (RKR), including media time, media IP, media PORT, media are compiled
Code type, medium type, route IP, while calculate the media qos parameter PacketLoss of each business, Latency,
Jitter、MOS；
The signaling and media RTP/RTCP data collected is associated, and stores qos parameter data；The SKR and RKR are first
First carry out signaling record to associate with media recording, a business has identical time, and identical media IP and a media together
PORT, according to this rule the SKR and RKR between each route are associated together, will this time business signaling and corresponding matchmaker
Volume data is associated together, and generates associated record；With business hours, media IP, media PORT, route IP, type of service, media
Type, media coding type be dimension, count the media qos parameter under these dimensions, i.e., with PacketLoss, Latency,
Jitter, MOS are index, generation minimum media qos statistic unit Minimum Statistics element (MSE)；MSE numbers
According to being stored in after generation in database, as minimum qos statistic unit, the end-to-end regular library module of application layer module is waited
Configure and issue different dimensions and the statistical rules of index；There is provided the config option of end-to-end QoS in end-to-end rule base,
Including route IP；
According to user-defined QoS analysis rules, the qos parameter data of storage are inquired about, analytical statement is formed and is presented.
5. method as claimed in claim 4, it is characterised in that：
The SKR and RKR that pre-process generation are sent to data analysis layer mould by the harvester in the form of arranging byte data bag
Block, is sent and is carried out using Socket or FTP technologies.
6. method as claimed in claim 4, it is characterised in that：
Discard processing is made to pretreated initial data.
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| CN104507107B (en) * | 2014-12-19 | 2018-06-19 | 浪潮电子信息产业股份有限公司 | A kind of preprocess method of signaling data |
| CN106993308A (en) * | 2016-01-20 | 2017-07-28 | 上海大唐移动通信设备有限公司 | A kind of QoS of voice monitoring method, equipment and the system of VoLTE networks |
| CN105897698B (en) * | 2016-03-28 | 2019-08-30 | 深圳明心科技有限公司 | A kind of video conferencing system and control method of the multithread based on QoS |
| CN108540213B (en) * | 2018-07-20 | 2019-02-26 | 北京邮电大学 | A kind of space method for routing and device |
| CN111327480B (en) * | 2020-03-02 | 2021-04-27 | 河海大学 | Method for monitoring multiple QoS of Web service under mobile edge environment |
| CN111654432B (en) * | 2020-05-29 | 2022-05-17 | 中国联合网络通信集团有限公司 | Internet of things system and business processing method |
| CN112468466B (en) * | 2020-11-16 | 2023-04-18 | 上海欣方智能系统有限公司 | Realization system for super-large scale IMS AS technology |
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