CN103036707A - Portable diagnostic device of internet protocol television (IPTV) business service quality and diagnostic method of IPTV business service quality - Google Patents
Portable diagnostic device of internet protocol television (IPTV) business service quality and diagnostic method of IPTV business service quality Download PDFInfo
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Abstract
The invention relates to a portable diagnostic device of internet protocol television (IPTV) business service quality and a diagnostic method of the IPTV business service quality and belongs to the network technical field. The portable diagnostic device of the IPTV business service quality comprises a data package capturing module and a data package analyzing module, wherein the data package capturing module and the data package analyzing module are connected, the data package analyzing module comprises a fault analysis unit based on an adaptive communication environment (ACE) frame and a fault database unit, and the fault analysis unit further comprises a network transmission quality analysis subunit, a user experience analysis subunit and a comprehensive analysis subunit. According to the portable diagnostic device of the IPTV business service quality and the diagnostic method of the IPTV business service quality, reliable underlying packet capture is achieved by means of the data package capturing module, protocol analysis of different types of streaming media is achieved by means of the data package analyzing module, quality of experience (QOE) at different network node positions in an IPTV transmission network is obtained, and IPTV network-wide end-to-end service quality assurance is achieved by combining with quality overall summary (QOS) of network transmission quality. The portable diagnostic device is simple in structure and low in cost. The diagnostic method is simple in application method and wide in application range.
Description
Technical field
The present invention relates to networking technology area, particularly the IPTV technical field specifically refers to a kind of portable IPTV QoS diagnostic device and diagnostic method.
Background technology
By to the analysis of IP packet and then obtain the indexs such as shake, time-delay and packet loss of its Internet Transmission for the main method of IPTV service quality test at present, obtain simultaneously the characteristic index of its IPTV Internet Transmission by the protocol type of further analyzing IP packet carrying, such as MDI, DF and MLR etc.
The patent application " IPTV video quality monitoring method, device and system " that China Linked Network Communication Group Co.,Ltd proposes adopts the IPTV platform to initiate the service quality of the method Sampling network transmission link of test packet to user terminal, but because the IP network transmission has uncertainty, resulting test result not necessarily can reflect the service quality of real network transmission.
Patent application " a kind of IPTV video traffic method for supervising and the system " utilization of ZTE Co., Ltd in examining analyzed the actual Media Stream that receives and come the phase-split network transmission quality in monitor terminal, but the analysis-by-synthesis that can not accomplish the accurate fault location of the whole network and QOS and QOE.
Above-mentioned prior art all is based on the IPTV service quality test that general Service Quality Metrics carries out, but these general Service Quality Metrics are except each producer there are differences aspect computational accuracy, can't reflect preferably that also the user of IPTV experiences.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of Internet Transmission quality Q OS index of utilizing is provided, and in conjunction with dissimilar stream media protocol analysis, the user who obtains heterogeneous networks Nodes in the IPTV transmission network experiences QOE, and then realize end to end service quality guarantee of IPTV whole network, and simple in structure, with low cost, application mode is easy, the portable IPTV QoS diagnostic device and the diagnostic method that have wide range of applications.
In order to realize above-mentioned purpose, portable IPTV QoS diagnostic device of the present invention has following formation:
This device comprises interconnective packet handling module and data packet analysis module, and described packet handling module connects the IPTV network, and the output of described data packet analysis module is IPTV QoS diagnostic result output.
In this portable IPTV QoS diagnostic device, described packet handling module comprises network interface card and central processing unit, and described central processing unit is connected between described network interface card and the described data packet analysis module, and described network interface card connects the IPTV network.
In this portable IPTV QoS diagnostic device, described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit, the input of described accident analysis unit connects respectively the output of described fault data library unit and described packet handling module, and the output of described accident analysis unit is IPTV QoS diagnostic result output.
In this portable IPTV QoS diagnostic device, described fault data library unit is expert knowledge library.
In this portable IPTV QoS diagnostic device, described accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, described Internet Transmission quality analysis subelement, the user experience analysis subelement is connected with the analysis-by-synthesis subelement and is connected described fault data library unit, described Internet Transmission quality analysis subelement and user experience analysis subelement also connect respectively described packet handling module, the output of described Internet Transmission quality analysis subelement is connected output and is all connected described analysis-by-synthesis subelement input with the user experience analysis subelement, the output of described analysis-by-synthesis subelement is the output of this accident analysis unit.
In this portable IPTV QoS diagnostic device, described device is added type IPTV QoS diagnostic device, described added type IPTV QoS diagnostic device has the support rack type shell, and described packet handling module and data packet analysis module all are arranged in the described support rack type shell.
In this portable IPTV QoS diagnostic device, described device is notebook type IPTV QoS diagnostic device, integrated being arranged in the laptop housing of this notebook type IPTV QoS diagnostic device.
The present invention also provides a kind of method of utilizing the realization IPTV QoS diagnosis of described device, may further comprise the steps:
(1) described packet handling module is from the IPTV Network Capture video streaming data packet that connects and be sent to described data packet analysis module;
(2) described data packet analysis module is analyzed the packet that obtains, and obtains IPTV QoS diagnostic result.
This realizes that described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit in the method for IPTV QoS diagnosis; Described accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, described Internet Transmission quality analysis subelement, the user experience analysis subelement is connected with the analysis-by-synthesis subelement and is connected described fault data library unit, described Internet Transmission quality analysis subelement and user experience analysis subelement also connect respectively described packet handling module, the output of described Internet Transmission quality analysis subelement is connected output and is all connected described analysis-by-synthesis subelement input with the user experience analysis subelement, described step (2) specifically may further comprise the steps:
(21) described Internet Transmission quality analysis subelement carries out the IP analysis to packet;
(22) described Internet Transmission quality analysis subelement carries out the RTP analysis to packet;
(23) described Internet Transmission quality analysis subelement is analyzed packet MPEG2-TS communication protocol;
(24) described Internet Transmission quality analysis subelement carries out video content analysis and video frame type discovery;
(25) described Internet Transmission quality analysis subelement finds that according to video frame type the result carries out the frame of video quality analysis;
(26) described user experience analysis subelement carries out the markov model analysis to video;
(27) described analysis-by-synthesis subelement carries out the analysis of user's sense organ comprehensive quality according to the analysis result of described Internet Transmission quality analysis subelement and the acquisition of user experience analysis subelement.
Portable IPTV QoS diagnostic device and the diagnostic method of this invention have been adopted, because its device comprises interconnective packet handling module and data packet analysis module, the packet handling module connects the IPTV network, and the output of described data packet analysis module is IPTV QoS diagnostic result output.And described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit, and the accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, thereby utilize this device and method can realize reliable bottom packet capturing, and utilize the dissimilar stream media protocol analysis of data packet analysis module, the user who obtains heterogeneous networks Nodes in the IPTV transmission network experiences QOE, in conjunction with Internet Transmission quality Q OS, realize end to end service quality guarantee of IPTV whole network, and portable IPTV QoS diagnostic device of the present invention is simple in structure, with low cost, the application mode of diagnostic method is easy, and range of application is also comparatively extensive.
Description of drawings
Fig. 1 is the structural representation of portable IPTV QoS diagnostic device of the present invention.
Fig. 2 is for being deployed in portable IPTV QoS diagnostic device of the present invention in the Access Network of IPTV network and the schematic diagram of last km.
Fig. 3 is the ACE software frame building-block of logic that portable IPTV QoS diagnostic device of the present invention adopts.
Fig. 4 is portable IPTV QoS diagnostic method of the present invention schematic flow sheet in actual applications.
Embodiment
In order more clearly to understand technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, be the structural representation of portable IPTV QoS diagnostic device of the present invention.
In one embodiment, this device comprises interconnective packet handling module and data packet analysis module, described packet handling module connects the IPTV network, and the output of described data packet analysis module is IPTV QoS diagnostic result output.This device can be added type or notebook type, added type IPTV QoS diagnostic device has the support rack type shell, described packet handling module and data packet analysis module all are arranged in the described support rack type shell, and notebook type IPTV QoS diagnostic device is integrated being arranged in the laptop housing then.
Utilize the method for the realization IPTV QoS diagnosis of the described device of this execution mode may further comprise the steps:
(1) described packet handling module is from the IPTV Network Capture video streaming data packet that connects and be sent to described data packet analysis module;
(2) described data packet analysis module is analyzed the packet that obtains, and obtains IPTV QoS diagnostic result.
In a kind of more preferably execution mode, described packet handling module comprises network interface card and central processing unit, and described central processing unit is connected between described network interface card and the described data packet analysis module, and described network interface card connects the IPTV network.Described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit, the input of described accident analysis unit connects respectively the output of described fault data library unit and described packet handling module, and the output of described accident analysis unit is IPTV QoS diagnostic result output.
In a kind of preferred execution mode, described accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, described Internet Transmission quality analysis subelement, the user experience analysis subelement is connected with the analysis-by-synthesis subelement and is connected described fault data library unit, described Internet Transmission quality analysis subelement and user experience analysis subelement also connect respectively described packet handling module, the output of described Internet Transmission quality analysis subelement is connected output and is all connected described analysis-by-synthesis subelement input with the user experience analysis subelement, the output of described analysis-by-synthesis subelement is the output of this accident analysis unit.Described fault data library unit is expert knowledge library.
In the method for utilizing the diagnosis of the described device realization of this preferred execution mode IPTV QoS, described step (2) specifically may further comprise the steps:
(21) described Internet Transmission quality analysis subelement carries out the IP analysis to packet;
(22) described Internet Transmission quality analysis subelement carries out the RTP analysis to packet;
(23) described Internet Transmission quality analysis subelement is analyzed packet MPEG2-TS communication protocol;
(24) described Internet Transmission quality analysis subelement carries out video content analysis and video frame type discovery;
(25) described Internet Transmission quality analysis subelement finds that according to video frame type the result carries out the frame of video quality analysis;
(26) described user experience analysis subelement carries out the markov model analysis to video;
(27) described analysis-by-synthesis subelement carries out the analysis of user's sense organ comprehensive quality according to the analysis result of described Internet Transmission quality analysis subelement and the acquisition of user experience analysis subelement.
In actual applications, portable IPTV QoS diagnostic device of the present invention adopts high performance PC hardware structure, can directly carry out the packet capturing analysis from data link layer, wherein solved in the prior art bottleneck on two performances, the one, adopt high-performance specialty network interface card and CPU to guarantee reliable bottom packet capturing; The 2nd, adopt ACE(Adaptive CommunicationEnvironment, the adaptive communications environment) software frame guarantee to process the concurrent high-performance analysis of broad medium stream.Simultaneously, can match flexibly the hardware structure of various different performances according to the needs of user's purchase cost, to satisfy the demand for the different monitoring zone.
Follow-up analyzing and processing to the IP packet is core of the present invention place, and the present invention has adopted the ACE software frame of high-performance concurrent processing, and its concrete ACE software frame logical construction as shown in Figure 3.Simultaneously, the present invention is in conjunction with the expert knowledge library algorithm that forms according to IPTV service quality guarantee field practical experience, effectively the Internet Transmission QOS of IPTV and the QOE of user's experience are combined, provide the phenomenon of the failure that may cause Media Stream and describe and failure reason analysis.
Utilize device of the present invention carry out the IPTV whole network end to end the method for service quality guarantee may further comprise the steps:
At first, at the program source of IPTV platform, dispose this product and carry out the source monitoring, can adopt the method for the long-term monitoring of emphasis channel and the monitoring of common frequency channel poll to be configured.
Secondly, also can dispose this product at the key node place of IP transmission network and monitor, carry out monitoring in 24 hours for the network equipment that needs key monitoring or user media stream.
Then; because it is very low that the user that the core net transmission fault causes experiences the probability of decline; most failure cause is distributed in Access Network and last km; because at Access Network and last km; operator can adopt the devices interconnect backup of a plurality of different vendors usually; also be the most complicated part of network configuration, usually the O﹠M personnel also are difficult to judge the transmission fault which network equipment specifically causes.As shown in Figure 2, with portable IPTV QoS diagnostic device of the present invention, can be deployed in flexibly Access Network or even last km.Adopt portable design also to reduce user's purchase cost, make the user not need a large amount of buyings, after having got rid of the fault in a certain zone, can be deployed to very easily next network node place.
At last, just can orient at which apparatus for network node place in conjunction with the hardware characteristics information of network node according to the fault warning summary information analysis that is deployed in the heterogeneous networks Nodes fault has occured.Concrete diagnostic process as shown in Figure 4.The characteristics of diagnostic method of the present invention are: 1, ACE software frame logical construction can be by loading different protocol process module, automatically identify the Streaming Media encapsulated type under the heterogeneous networks transmission environment and resolve the RTSP of RTSP, the TCP encapsulation of IGMP, the UDP encapsulation that IP, the IP that encapsulates such as PPPoE encapsulates etc.; 2, pass through flexibly configuration file, the device that both can be used as type of server configures, and provides the analysis data to report interface; Can be configured to local display mode again.
Portable IPTV QoS diagnostic device and the diagnostic method of this invention have been adopted, because its device comprises interconnective packet handling module and data packet analysis module, the packet handling module connects the IPTV network, and the output of described data packet analysis module is IPTV QoS diagnostic result output.And described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit, and the accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, thereby utilize this device and method can realize reliable bottom packet capturing, and utilize the dissimilar stream media protocol analysis of data packet analysis module, the user who obtains heterogeneous networks Nodes in the IPTV transmission network experiences QOE, in conjunction with Internet Transmission quality Q OS, realize end to end service quality guarantee of IPTV whole network, and portable IPTV QoS diagnostic device of the present invention is simple in structure, with low cost, the application mode of diagnostic method is easy, and range of application is also comparatively extensive.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (9)
1. portable IPTV QoS diagnostic device, it is characterized in that, described device comprises interconnective packet handling module and data packet analysis module, described packet handling module connects the IPTV network, and the output of described data packet analysis module is IPTV QoS diagnostic result output.
2. portable IPTV QoS diagnostic device according to claim 1, it is characterized in that, described packet handling module comprises network interface card and central processing unit, described central processing unit is connected between described network interface card and the described data packet analysis module, and described network interface card connects the IPTV network.
3. portable IPTV QoS diagnostic device according to claim 1, it is characterized in that, described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit, the input of described accident analysis unit connects respectively the output of described fault data library unit and described packet handling module, and the output of described accident analysis unit is IPTV QoS diagnostic result output.
4. portable IPTV QoS diagnostic device according to claim 3 is characterized in that, described fault data library unit is expert knowledge library.
5. portable IPTV QoS diagnostic device according to claim 3, it is characterized in that, described accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, described Internet Transmission quality analysis subelement, the user experience analysis subelement is connected with the analysis-by-synthesis subelement and is connected described fault data library unit, described Internet Transmission quality analysis subelement and user experience analysis subelement also connect respectively described packet handling module, the output of described Internet Transmission quality analysis subelement is connected output and is all connected described analysis-by-synthesis subelement input with the user experience analysis subelement, the output of described analysis-by-synthesis subelement is the output of this accident analysis unit.
6. each described portable IPTV QoS diagnostic device in 5 according to claim 1, it is characterized in that, described device is added type IPTV QoS diagnostic device, described added type IPTV QoS diagnostic device has the support rack type shell, and described packet handling module and data packet analysis module all are arranged in the described support rack type shell.
7. each described portable IPTV QoS diagnostic device in 5 according to claim 1, it is characterized in that, described device is notebook type IPTV QoS diagnostic device, integrated being arranged in the laptop housing of this notebook type IPTV QoS diagnostic device.
8. a method of utilizing the realization IPTV QoS diagnosis of device claimed in claim 1 is characterized in that, described method may further comprise the steps:
(1) described packet handling module is from the IPTV Network Capture video streaming data packet that connects and be sent to described data packet analysis module;
(2) described data packet analysis module is analyzed the packet that obtains, and obtains IPTV QoS diagnostic result.
9. the method for realization IPTV QoS according to claim 8 diagnosis is characterized in that, described data packet analysis module comprises based on the accident analysis unit of ACE framework and fault data library unit; Described accident analysis unit comprises Internet Transmission quality analysis subelement, user experience analysis subelement and analysis-by-synthesis subelement, described Internet Transmission quality analysis subelement, the user experience analysis subelement is connected with the analysis-by-synthesis subelement and is connected described fault data library unit, described Internet Transmission quality analysis subelement and user experience analysis subelement also connect respectively described packet handling module, the output of described Internet Transmission quality analysis subelement is connected output and is all connected described analysis-by-synthesis subelement input with the user experience analysis subelement, described step (2) specifically may further comprise the steps:
(21) described Internet Transmission quality analysis subelement carries out the IP analysis to packet;
(22) described Internet Transmission quality analysis subelement carries out the RTP analysis to packet;
(23) described Internet Transmission quality analysis subelement is analyzed packet MPEG2-TS communication protocol;
(24) described Internet Transmission quality analysis subelement carries out video content analysis and video frame type discovery;
(25) described Internet Transmission quality analysis subelement finds that according to video frame type the result carries out the frame of video quality analysis;
(26) described user experience analysis subelement carries out the markov model analysis to video;
(27) described analysis-by-synthesis subelement carries out the analysis of user's sense organ comprehensive quality according to the analysis result of described Internet Transmission quality analysis subelement and the acquisition of user experience analysis subelement.
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