CN101159955B - Service quality measuring method and system based on media gateway control protocol network - Google Patents
Service quality measuring method and system based on media gateway control protocol network Download PDFInfo
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- CN101159955B CN101159955B CN200710163262XA CN200710163262A CN101159955B CN 101159955 B CN101159955 B CN 101159955B CN 200710163262X A CN200710163262X A CN 200710163262XA CN 200710163262 A CN200710163262 A CN 200710163262A CN 101159955 B CN101159955 B CN 101159955B
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Abstract
The invention discloses a network quality of service (Qos) detection method and a system based on media gateway control protocol. After a terminal is connected with a boundary access gateway via network equipment and registered on the boundary access gateway, the boundary access gateway sends an audit message to the terminal and obtains a service quality measurement result according to the reception time of a response message to the audit message sent by the terminal. The network equipment may be fire wall equipment and/or network address conversion equipment. Based on the Audit message mechanism of the MGCP protocol, the invention realizes the measurement from the terminal equipment to equipment such as BAC, particularly, NAT or FW operation upon terminal access; the invention implements the Qos measurement of network between the terminal and the measuring point in fire wall or NAT network, without changing the existing terminal, fire wall and NAT equipment.
Description
Technical field
The present invention relates to service quality (Quality of Service towards the IP data network, be called for short Qos) measuring technique, be specifically related to a kind of service quality measuring method and system based on MGCP (Media Gateway ControlProtocol is called for short the MGCP agreement) network.
Background technology
Develop rapidly along with telecommunication technology, based on packet network is soft switch, the 3G (3rdGeneration of bearer network, the 3G (Third Generation) Moblie technology) etc. next generation network (Next Generation Network is called for short the NGN network) progressively is widely used.In the NGN network architecture, the core bearer network adopts the packet network carrying, adopts the IP packet network at present mostly.The IP packet network is that the mode with do one's best (Best Effort) transmits packet data package, can't can guarantee professional service quality as traditional circuit.During with IP packet network bearer service,, make professional quality to be guaranteed because situations such as the packet loss of IP bearer network, time delay, shake impact business.
In the IP data network, there is a series of technology to guarantee and optimize the Qos of bearer network usually, as: technology such as service stream classification, formation, congestion management.But these technology can't really guarantee the Qos of bearer network, and the Qos of bearer network has very big influence to QoS, and in next generation networks such as soft switch and 3G, service media stream etc. have strict Qos requirement to bearer network.Though having some testing schemes to carry out network Qos at present measures, but in actual applications, because NAT (Network Address Translation is adopted in the access of terminal usually, network address translation) or fire compartment wall insert, generally need carry out heavy configuration and to terminal staging to fire compartment wall, if adopt existing pattern certainly will need do some configurations on NAT or fire compartment wall, the fail safe to network certainly leads to negative effect like this; In addition, also very huge to the workload of different types of terminals upgrading.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of service quality measuring method and system based on media gateway control protocol network, under the situation of the configuration that does not need to change NAT or firewall box, finishes terminal and measures to the Qos between the measurement point.
In order to address the above problem, the invention provides a kind of service quality measuring method based on media gateway control protocol network, when terminal links to each other with the border IAD and after succeeding in registration on the IAD of border through the network equipment, the border IAD sends audit message to described terminal, and obtains the qos measurement result according to the time of reception to the response message of described audit message that described terminal sends; The described network equipment is firewall box and/or network address translation apparatus; Described border IAD is determined the length of test data according to the type of service of measurement data simulation when sending described audit message, and the test data of respective length is encapsulated in the described audit message.
Further, said method also can have following characteristics: described type of service comprises speech business stream, signaling traffic stream.
Further, said method also can have following characteristics: customize different measurement tasks by definition measurement parameter task time, described measurement parameter task time comprises the transmission interval of measuring period and described audit message.
Further, said method also can have following characteristics: described measurement task comprises the online situation of monitoring terminal, if receive the response message of terminal, then terminal online information is as measurement result, otherwise, with terminal not online information as measurement result.
Further, said method also can have following characteristics: described measurement task comprises that measuring terminals arrives the network quality situation of measurement point, if receive the response message of terminal, then write down the time of reception of described audit message transmitting time and described response message, and with this time delay information as measurement result.
The present invention also provides a kind of qos measurement system based on media gateway control protocol network, comprise the monitoring system management server, be positioned at the measurement function module of border IAD and the terminal that links to each other with the border IAD through network access equipment, wherein
The monitoring system management server is used for sending measuring command message to the measurement function module, and receives the measurement result that the measurement function module is returned;
The measurement function module, be used for after receiving described command messages, send audit message to described terminal, and obtain the qos measurement result, measurement result is returned to the monitoring system management server according to the time of reception that described terminal sends to the response message of described audit message;
Terminal is used for after succeeding in registration on the IAD of border, and the described audit message that receives is sent response message to the measurement function module;
Described measurement function module comprises the data encapsulation unit, be used to receive described type of service parameter after, determine the length of test data according to this type of service parameter, and the test data of respective length be encapsulated in the described audit message;
The described network equipment is firewall box and/or network address translation apparatus.
Further, said system also can have following characteristics: described monitoring system management server comprises the type of service parameter set unit, be used for determining the type of service parameter according to the type of service of measurement data simulation, described type of service comprises speech business stream, signaling traffic stream, and described type of service parameter is added on sends to described measurement function module in the described command messages.
Further, said system also can have following characteristics: described monitoring system management server comprises measures parameter set unit task time, be used for definition and measure parameter task time, the transmission that described measurement parameter task time comprises measuring period and described audit message and is added on described measurement parameter task time and sends to described measurement function module in the described command messages at interval;
Described measurement function module comprises measurement task customization units, be used to receive described measurement parameter task time after, customize different measurement tasks according to this measurement parameter task time.
Further, said system also can have following characteristics: described measurement task comprises the online situation of monitoring terminal, if described measurement function module receives the response message of terminal, then terminal online information is returned to the monitoring system management server as measurement result, otherwise, with terminal not online information return to the monitoring system management server as measurement result.
Further, said system also can have following characteristics: described measurement task comprises that measuring terminals arrives the network quality situation of measurement point, if described measurement function module receives the response message of terminal, then write down the time of reception of described audit message transmitting time and described response message, and this time delay information is returned to the monitoring system management server as measurement result.
The present invention utilizes the Audit message mechanism of MGCP agreement to finish terminal equipment and measures to the Qos between the equipment such as BAC, the situation of having passed through NAT or FW when particularly terminal inserts, solved the measurement of terminal, and do not needed terminal, fire compartment wall and NAT device are done any change to the network Qos situation between the measurement point in fire compartment wall or NAT network.
Description of drawings
Fig. 1 is the schematic diagram of embodiment of the invention measuring system;
Fig. 2 is the flow chart of method of measurement of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1, in the measuring system of the embodiment of the invention, has at least one monitoring system management server (Mserver) 101, one or more measurement function modules 102 that are integrated in the BAC equipment, one or more network equipments 103, and one or more MGCP terminal 104.
There are task management and result treatment message flow 105 between monitoring system management server 101 and the BAC, have measurement data stream 106 between BAC and the MGCP terminal 104.
Two class communication interfaces are arranged between monitoring system management server 101 and the BAC, and be responsible for respectively finishing the collection of measuring message transmission and measurement result: a class is used to transmit control messages, comprises, the startup of measurement task, stop, measuring the change of task, measure task executions state etc.The another kind of measurement result (initial data) that is used for receiving measurement function module (being positioned at BAC equipment).These interfaces adopt User Datagram Protoco (UDP), and (User Datagram Protocol, UDP) mode adopt the self-defined message structure, have been the standardization interface, are convenient to the intercommunication between the measuring equipment.
Wherein, monitoring system management server 101 (Mserver) is used for sending measuring command message to the measurement function module, and receives the measurement result that the measurement function module is returned.
Mserver can be the Network Management Equipment in the Operation Network or other entity.Be responsible for decomposing the works of treatment such as running status, collection measurement result data, the storage of finishing data and analysis of measurement task, control survey task executions, supervision measurement task.
The functional module of Mserver comprises: the type of service parameter set unit, be used for determining the type of service parameter according to the type of service of measurement data simulation, described type of service comprises speech business stream, signaling traffic stream, and described type of service parameter is added on sends to described measurement function module in the described command messages; And measurement parameter set unit task time, be used for definition and measure parameter task time, the transmission that described measurement parameter task time comprises measuring period and described audit message and is added on described measurement parameter task time and sends to described measurement function module in the described command messages at interval.
Above-mentioned measurement task comprises: the online situation of a, monitoring terminal, if described measurement function module receives the response message of terminal, then terminal online information is returned to the monitoring system management server as measurement result, otherwise, with terminal not online information return to the monitoring system management server as measurement result; And, b, measuring terminals arrive the network quality situation of measurement point, if described measurement function module receives the response message of terminal, then write down the time of reception of described audit message transmitting time and described response message, and this time delay information is returned to the monitoring system management server as measurement result.
The measurement function module generally is positioned at border IAD BAC, realization is measured to the network condition between the BAC by the terminal that BAC inserts, finish the online condition monitoring of registered terminals, finish of the measurement of measurement function module by customized task, and the result that will measure feeds back to Mserver to the network index between the terminal.But be not limited thereto kind of a mode, can be integrated in the equipment,, also can be integrated in the products such as traffic border control appliance SBC as being integrated among the BAC according to the network application difference.
MGCP terminal 104 is used for after succeeding in registration on the BAC, and the audit message that receives the BAC transmission is returned response message.
Fig. 2 has described terminal through the NAT/FW access network, and after succeeding in registration on the BAC, the measurement flow process of present embodiment specifically describes as follows:
Step 201, the Operation and Maintenance personnel customize the measurement task according to the network measure requirement on MServer.
Can customize real-time monitoring, fault location and other self-defined measurement task by certain measurement strategies, and the relevant parameter in the definition measurement task, comprise type of service parameter (for example Business Streams such as the voice flow of measurement data flow field simulation or signaling) parameter, measure parameter task time (give out a contract for a project at interval or give out a contract for a project the cycle etc.) etc.Behind the task creation, be presented in the task list.
Step 202, Mserver starts the measurement task and sends measuring command message to BAC.
After starting the measurement task on the MServer; MServer sends measuring command message by command interface to BAC equipment; when MServer sends command messages; need protect the source of message and the integrality of message, crosstalk and satisfy fail safe and confidentiality demand to guarantee not form between each measurement data.
Step 203 after BAC receives measuring command message, authenticates with integrality the source of message and to test, and constraintss such as check measurement task parameters are created corresponding measurement task and measured according to measuring task parameters by the back.
The packet that BAC flows measurement data according to the type of service parameter increases load so that the size of measurement data flow field simulation practical business stream.And create the terminal on-line condition monitoring or terminal is measured to network Qos between the measurement point (BAC equipment) according to measuring the task time parameter.
Step 204, BAC sends response to Mserver.
If Mserver does not receive the BAC response, then will resend measurement message.
Step 205, BAC utilizes the log-on message of terminal, periodically sends MGCP Audit message to terminal, and the response message of receiving terminal.
If the measurement task is the terminal on-line condition monitoring, BAC periodically sends MGCP Audit message to online MGCP terminal, if do not respond for a long time, then terminal is not online; If terminal network mass measurement task, BAC sends MGCPAudit message with higher frequency to the MGCP of appointment terminal, receives that response back BAC record sends and receive the time situation of response.
Described MGCP Audit message can passing through network equipment NAT/FW 103.
Step 206, BAC reports Mserver with measurement result.
BAC is according to the measurement task, correspondingly with terminal whether the time delay situation of online message or measurement send to MServer.
Step 207, Mserver handles measurement result.
After MServer receives measurement result, measurement result is sorted, add up, and on display unit (as display or display screen), show according to the display mode of task definition.
Can adopt two kinds of measurement tasks among the present invention, a kind of measurement task is the terminal on-line condition monitoring, another kind is that terminal arrives network service quality measurement between the BAC equipment, and these two kinds of measurement tasks applied in any combination are mutually finished the terminal all situations is measured in different occasions.For example measure incessantly always, can realize the real-time monitoring of terminal or network service quality; Perhaps, when breaking down, specific terminal or a certain section network are carried out qos measurement, Mserver can analyze according to each original measurement result that BAC reports and fault location etc.In addition, Mserver can also finish the measurement function module by customized task and measure to the network index between the terminal, as packet loss, time delay and shake etc., simple example, for example send the measurement data bag 10 times, receive 5 or 9 response messages, its corresponding packet loss is respectively 50% and 10%; By the difference between the time delay of calculating adjacent twice measurement data bag, then can draw jitter conditions.
Measuring system among the present invention can be applied in soft switchcall server or the 3G system access network of terminal equipment be monitored, for the optimization and the professional control of the access network of terminal equipment provides foundation.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. service quality measuring method based on media gateway control protocol network, when terminal links to each other with the border IAD and after succeeding in registration on the IAD of border through the network equipment, the border IAD sends audit message to described terminal, and obtains the qos measurement result according to the time of reception to the response message of described audit message that described terminal sends; The described network equipment is firewall box and/or network address translation apparatus; Described border IAD is determined the length of test data according to the type of service of measurement data simulation when sending described audit message, and the test data of respective length is encapsulated in the described audit message.
2. the method for claim 1 is characterized in that, described type of service comprises speech business stream, signaling traffic stream.
3. the method for claim 1 is characterized in that, customizes different measurement tasks by definition measurement parameter task time, and described measurement parameter task time comprises the transmission interval of measuring period and described audit message.
4. method as claimed in claim 3 is characterized in that, described measurement task comprises the online situation of monitoring terminal, if receive the response message of terminal, then terminal online information is as measurement result, otherwise, with terminal not online information as measurement result.
5. method as claimed in claim 3, it is characterized in that, described measurement task comprises that measuring terminals arrives the network quality situation of measurement point, if receive the response message of terminal, then write down the time of reception of described audit message transmitting time and described response message, and with time delay information as measurement result.
6. qos measurement system based on media gateway control protocol network, it is characterized in that, comprise the monitoring system management server, be positioned at the measurement function module of border IAD and the terminal that links to each other with the border IAD through the network equipment, wherein
The monitoring system management server is used for sending measuring command message to the measurement function module, and receives the measurement result that the measurement function module is returned;
The measurement function module, be used for after receiving described command messages, send audit message to described terminal, and obtain the qos measurement result, measurement result is returned to the monitoring system management server according to the time of reception that described terminal sends to the response message of described audit message;
Terminal is used for after succeeding in registration on the IAD of border, and the described audit message that receives is sent response message to the measurement function module;
Described measurement function module comprises the data encapsulation unit, after being used to receive the type of service parameter that the type of service parameter set unit of described monitoring system management server determines, determine the length of test data according to this type of service parameter, and the test data of respective length is encapsulated in the described audit message;
The described network equipment is firewall box and/or network address translation apparatus.
7. system as claimed in claim 6 is characterized in that,
Described monitoring system management server comprises the type of service parameter set unit, be used for determining the type of service parameter according to the type of service of measurement data simulation, described type of service comprises speech business stream, signaling traffic stream, and described type of service parameter is added on sends to described measurement function module in the described command messages.
8. system as claimed in claim 7 is characterized in that,
Described monitoring system management server comprises measures parameter set unit task time, be used for definition and measure parameter task time, the transmission that described measurement parameter task time comprises measuring period and described audit message and is added on described measurement parameter task time and sends to described measurement function module in the described command messages at interval;
Described measurement function module comprises measurement task customization units, be used to receive described measurement parameter task time after, customize different measurement tasks according to this measurement parameter task time.
9. system as claimed in claim 8, it is characterized in that, described measurement task comprises the online situation of monitoring terminal, if described measurement function module receives the response message of terminal, then terminal online information is returned to the monitoring system management server as measurement result, otherwise, with terminal not online information return to the monitoring system management server as measurement result.
10. system as claimed in claim 8, it is characterized in that, described measurement task comprises that measuring terminals arrives the network quality situation of measurement point, if described measurement function module receives the response message of terminal, then write down the time of reception of described audit message transmitting time and described response message, and time delay information is returned to the monitoring system management server as measurement result.
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| CN104702385B (en) * | 2013-12-10 | 2018-05-29 | 华为技术有限公司 | Network quality detection method, device and equipment |
| CN105827473B (en) * | 2015-01-06 | 2019-02-26 | 中国移动通信集团江苏有限公司 | A kind of network quality appraisal procedure and device |
| CN111478821B (en) * | 2019-01-24 | 2022-02-22 | 中国信息通信研究院 | Network performance test method and system |
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| CN1996938A (en) * | 2006-06-23 | 2007-07-11 | 华为技术有限公司 | A method for monitoring the network service quality of the soft switch load |
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| CN1780229A (en) * | 2004-11-26 | 2006-05-31 | 华为技术有限公司 | Method for soluting detained context on medium gateway |
| CN1859234A (en) * | 2006-01-11 | 2006-11-08 | 华为技术有限公司 | Method and system for detecting service quality in next generation network |
| CN1996938A (en) * | 2006-06-23 | 2007-07-11 | 华为技术有限公司 | A method for monitoring the network service quality of the soft switch load |
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